Add tests
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Anders Hejlsberg
parent
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commit
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4 changed files with 1261 additions and 0 deletions
252
tests/baselines/reference/discriminatedUnionTypes1.js
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252
tests/baselines/reference/discriminatedUnionTypes1.js
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//// [discriminatedUnionTypes1.ts]
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interface Square {
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kind: "square";
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size: number;
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}
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interface Rectangle {
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kind: "rectangle";
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width: number;
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height: number;
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}
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interface Circle {
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kind: "circle";
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radius: number;
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}
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type Shape = Square | Rectangle | Circle;
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function area1(s: Shape) {
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if (s.kind === "square") {
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return s.size * s.size;
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}
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else if (s.kind === "circle") {
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return Math.PI * s.radius * s.radius;
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}
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else if (s.kind === "rectangle") {
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return s.width * s.height;
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}
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else {
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return 0;
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}
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}
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function area2(s: Shape) {
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switch (s.kind) {
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case "square": return s.size * s.size;
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case "rectangle": return s.width * s.height;
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case "circle": return Math.PI * s.radius * s.radius;
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}
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}
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function assertNever(x: never): never {
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throw new Error("Unexpected object: " + x);
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}
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function area3(s: Shape) {
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switch (s.kind) {
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case "square": return s.size * s.size;
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case "rectangle": return s.width * s.height;
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case "circle": return Math.PI * s.radius * s.radius;
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default: return assertNever(s);
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}
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}
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function area4(s: Shape) {
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switch (s.kind) {
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case "square": return s.size * s.size;
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case "rectangle": return s.width * s.height;
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case "circle": return Math.PI * s.radius * s.radius;
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}
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return assertNever(s);
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}
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type Message =
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{ kind: "A", x: string } |
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{ kind: "B" | "C", y: number } |
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{ kind: "D" };
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function f1(m: Message) {
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if (m.kind === "A") {
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m; // { kind: "A", x: string }
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}
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else if (m.kind === "D") {
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m; // { kind: "D" }
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}
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else {
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m; // { kind: "B" | "C", y: number }
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}
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}
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function f2(m: Message) {
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if (m.kind === "A") {
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return;
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}
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m; // { kind: "B" | "C", y: number } | { kind: "D" }
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}
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function f3(m: Message) {
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if (m.kind === "X") {
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m; // never
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}
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}
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function f4(m: Message, x: "A" | "D") {
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if (m.kind == x) {
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m; // { kind: "A", x: string } | { kind: "D" }
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}
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}
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function f5(m: Message) {
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switch (m.kind) {
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case "A":
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m; // { kind: "A", x: string }
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break;
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case "D":
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m; // { kind: "D" }
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break;
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default:
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m; // { kind: "B" | "C", y: number }
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}
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}
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function f6(m: Message) {
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switch (m.kind) {
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case "A":
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m; // { kind: "A", x: string }
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case "D":
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m; // { kind: "A", x: string } | { kind: "D" }
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break;
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default:
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m; // { kind: "B" | "C", y: number }
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}
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}
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function f7(m: Message) {
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switch (m.kind) {
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case "A":
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case "B":
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return;
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}
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m; // { kind: "B" | "C", y: number } | { kind: "D" }
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}
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function f8(m: Message) {
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switch (m.kind) {
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case "A":
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return;
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case "D":
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throw new Error();
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}
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m; // { kind: "B" | "C", y: number }
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}
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//// [discriminatedUnionTypes1.js]
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function area1(s) {
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if (s.kind === "square") {
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return s.size * s.size;
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}
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else if (s.kind === "circle") {
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return Math.PI * s.radius * s.radius;
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}
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else if (s.kind === "rectangle") {
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return s.width * s.height;
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}
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else {
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return 0;
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}
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}
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function area2(s) {
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switch (s.kind) {
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case "square": return s.size * s.size;
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case "rectangle": return s.width * s.height;
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case "circle": return Math.PI * s.radius * s.radius;
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}
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}
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function assertNever(x) {
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throw new Error("Unexpected object: " + x);
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}
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function area3(s) {
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switch (s.kind) {
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case "square": return s.size * s.size;
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case "rectangle": return s.width * s.height;
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case "circle": return Math.PI * s.radius * s.radius;
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default: return assertNever(s);
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}
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}
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function area4(s) {
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switch (s.kind) {
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case "square": return s.size * s.size;
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case "rectangle": return s.width * s.height;
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case "circle": return Math.PI * s.radius * s.radius;
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}
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return assertNever(s);
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}
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function f1(m) {
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if (m.kind === "A") {
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m; // { kind: "A", x: string }
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}
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else if (m.kind === "D") {
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m; // { kind: "D" }
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}
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else {
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m; // { kind: "B" | "C", y: number }
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}
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}
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function f2(m) {
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if (m.kind === "A") {
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return;
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}
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m; // { kind: "B" | "C", y: number } | { kind: "D" }
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}
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function f3(m) {
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if (m.kind === "X") {
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m; // never
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}
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}
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function f4(m, x) {
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if (m.kind == x) {
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m; // { kind: "A", x: string } | { kind: "D" }
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}
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}
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function f5(m) {
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switch (m.kind) {
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case "A":
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m; // { kind: "A", x: string }
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break;
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case "D":
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m; // { kind: "D" }
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break;
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default:
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m; // { kind: "B" | "C", y: number }
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}
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}
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function f6(m) {
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switch (m.kind) {
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case "A":
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m; // { kind: "A", x: string }
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case "D":
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m; // { kind: "A", x: string } | { kind: "D" }
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break;
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default:
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m; // { kind: "B" | "C", y: number }
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}
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}
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function f7(m) {
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switch (m.kind) {
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case "A":
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case "B":
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return;
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}
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m; // { kind: "B" | "C", y: number } | { kind: "D" }
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}
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function f8(m) {
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switch (m.kind) {
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case "A":
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return;
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case "D":
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throw new Error();
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}
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m; // { kind: "B" | "C", y: number }
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}
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402
tests/baselines/reference/discriminatedUnionTypes1.symbols
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402
tests/baselines/reference/discriminatedUnionTypes1.symbols
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=== tests/cases/conformance/types/union/discriminatedUnionTypes1.ts ===
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interface Square {
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>Square : Symbol(Square, Decl(discriminatedUnionTypes1.ts, 0, 0))
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kind: "square";
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>kind : Symbol(Square.kind, Decl(discriminatedUnionTypes1.ts, 0, 18))
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size: number;
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>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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}
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interface Rectangle {
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>Rectangle : Symbol(Rectangle, Decl(discriminatedUnionTypes1.ts, 3, 1))
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kind: "rectangle";
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>kind : Symbol(Rectangle.kind, Decl(discriminatedUnionTypes1.ts, 5, 21))
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width: number;
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>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
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height: number;
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>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
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}
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interface Circle {
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>Circle : Symbol(Circle, Decl(discriminatedUnionTypes1.ts, 9, 1))
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kind: "circle";
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>kind : Symbol(Circle.kind, Decl(discriminatedUnionTypes1.ts, 11, 18))
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radius: number;
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>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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}
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type Shape = Square | Rectangle | Circle;
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>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
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>Square : Symbol(Square, Decl(discriminatedUnionTypes1.ts, 0, 0))
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>Rectangle : Symbol(Rectangle, Decl(discriminatedUnionTypes1.ts, 3, 1))
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>Circle : Symbol(Circle, Decl(discriminatedUnionTypes1.ts, 9, 1))
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function area1(s: Shape) {
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>area1 : Symbol(area1, Decl(discriminatedUnionTypes1.ts, 16, 41))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
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if (s.kind === "square") {
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>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
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return s.size * s.size;
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>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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}
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else if (s.kind === "circle") {
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>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
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return Math.PI * s.radius * s.radius;
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>Math.PI : Symbol(Math.PI, Decl(lib.d.ts, --, --))
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>Math : Symbol(Math, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>PI : Symbol(Math.PI, Decl(lib.d.ts, --, --))
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>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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}
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else if (s.kind === "rectangle") {
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>s.kind : Symbol(Rectangle.kind, Decl(discriminatedUnionTypes1.ts, 5, 21))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>kind : Symbol(Rectangle.kind, Decl(discriminatedUnionTypes1.ts, 5, 21))
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return s.width * s.height;
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>s.width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
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>s.height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 18, 15))
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>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
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}
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else {
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return 0;
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}
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}
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function area2(s: Shape) {
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>area2 : Symbol(area2, Decl(discriminatedUnionTypes1.ts, 31, 1))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
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>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
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switch (s.kind) {
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>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
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>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
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case "square": return s.size * s.size;
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>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
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>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
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>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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case "rectangle": return s.width * s.height;
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>s.width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
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>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
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>s.height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
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>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
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case "circle": return Math.PI * s.radius * s.radius;
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>Math.PI : Symbol(Math.PI, Decl(lib.d.ts, --, --))
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>Math : Symbol(Math, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>PI : Symbol(Math.PI, Decl(lib.d.ts, --, --))
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>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
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>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 33, 15))
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>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
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}
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}
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function assertNever(x: never): never {
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>assertNever : Symbol(assertNever, Decl(discriminatedUnionTypes1.ts, 39, 1))
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>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 41, 21))
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throw new Error("Unexpected object: " + x);
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>Error : Symbol(Error, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 41, 21))
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}
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function area3(s: Shape) {
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>area3 : Symbol(area3, Decl(discriminatedUnionTypes1.ts, 43, 1))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
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>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
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switch (s.kind) {
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>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
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>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
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case "square": return s.size * s.size;
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>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
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>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
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>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
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case "rectangle": return s.width * s.height;
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>s.width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
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>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
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>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
|
||||
>s.height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
|
||||
>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
|
||||
|
||||
case "circle": return Math.PI * s.radius * s.radius;
|
||||
>Math.PI : Symbol(Math.PI, Decl(lib.d.ts, --, --))
|
||||
>Math : Symbol(Math, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
|
||||
>PI : Symbol(Math.PI, Decl(lib.d.ts, --, --))
|
||||
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
|
||||
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
|
||||
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
|
||||
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
|
||||
|
||||
default: return assertNever(s);
|
||||
>assertNever : Symbol(assertNever, Decl(discriminatedUnionTypes1.ts, 39, 1))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 45, 15))
|
||||
}
|
||||
}
|
||||
|
||||
function area4(s: Shape) {
|
||||
>area4 : Symbol(area4, Decl(discriminatedUnionTypes1.ts, 52, 1))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
>Shape : Symbol(Shape, Decl(discriminatedUnionTypes1.ts, 14, 1))
|
||||
|
||||
switch (s.kind) {
|
||||
>s.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 0, 18), Decl(discriminatedUnionTypes1.ts, 5, 21), Decl(discriminatedUnionTypes1.ts, 11, 18))
|
||||
|
||||
case "square": return s.size * s.size;
|
||||
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
|
||||
>s.size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
>size : Symbol(Square.size, Decl(discriminatedUnionTypes1.ts, 1, 19))
|
||||
|
||||
case "rectangle": return s.width * s.height;
|
||||
>s.width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
>width : Symbol(Rectangle.width, Decl(discriminatedUnionTypes1.ts, 6, 22))
|
||||
>s.height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
>height : Symbol(Rectangle.height, Decl(discriminatedUnionTypes1.ts, 7, 18))
|
||||
|
||||
case "circle": return Math.PI * s.radius * s.radius;
|
||||
>Math.PI : Symbol(Math.PI, Decl(lib.d.ts, --, --))
|
||||
>Math : Symbol(Math, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
|
||||
>PI : Symbol(Math.PI, Decl(lib.d.ts, --, --))
|
||||
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
|
||||
>s.radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
>radius : Symbol(Circle.radius, Decl(discriminatedUnionTypes1.ts, 12, 19))
|
||||
}
|
||||
return assertNever(s);
|
||||
>assertNever : Symbol(assertNever, Decl(discriminatedUnionTypes1.ts, 39, 1))
|
||||
>s : Symbol(s, Decl(discriminatedUnionTypes1.ts, 54, 15))
|
||||
}
|
||||
|
||||
type Message =
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
|
||||
{ kind: "A", x: string } |
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5))
|
||||
>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 64, 16))
|
||||
|
||||
{ kind: "B" | "C", y: number } |
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 65, 5))
|
||||
>y : Symbol(y, Decl(discriminatedUnionTypes1.ts, 65, 22))
|
||||
|
||||
{ kind: "D" };
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
function f1(m: Message) {
|
||||
>f1 : Symbol(f1, Decl(discriminatedUnionTypes1.ts, 66, 18))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
|
||||
if (m.kind === "A") {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
m; // { kind: "A", x: string }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
|
||||
}
|
||||
else if (m.kind === "D") {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
m; // { kind: "D" }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
|
||||
}
|
||||
else {
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 68, 12))
|
||||
}
|
||||
}
|
||||
|
||||
function f2(m: Message) {
|
||||
>f2 : Symbol(f2, Decl(discriminatedUnionTypes1.ts, 78, 1))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 80, 12))
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
|
||||
if (m.kind === "A") {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 80, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
return;
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number } | { kind: "D" }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 80, 12))
|
||||
}
|
||||
|
||||
function f3(m: Message) {
|
||||
>f3 : Symbol(f3, Decl(discriminatedUnionTypes1.ts, 85, 1))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 87, 12))
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
|
||||
if (m.kind === "X") {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 87, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
m; // never
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 87, 12))
|
||||
}
|
||||
}
|
||||
|
||||
function f4(m: Message, x: "A" | "D") {
|
||||
>f4 : Symbol(f4, Decl(discriminatedUnionTypes1.ts, 91, 1))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 93, 12))
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 93, 23))
|
||||
|
||||
if (m.kind == x) {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 93, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>x : Symbol(x, Decl(discriminatedUnionTypes1.ts, 93, 23))
|
||||
|
||||
m; // { kind: "A", x: string } | { kind: "D" }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 93, 12))
|
||||
}
|
||||
}
|
||||
|
||||
function f5(m: Message) {
|
||||
>f5 : Symbol(f5, Decl(discriminatedUnionTypes1.ts, 97, 1))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
|
||||
switch (m.kind) {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
case "A":
|
||||
m; // { kind: "A", x: string }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
|
||||
|
||||
break;
|
||||
case "D":
|
||||
m; // { kind: "D" }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
|
||||
|
||||
break;
|
||||
default:
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 99, 12))
|
||||
}
|
||||
}
|
||||
|
||||
function f6(m: Message) {
|
||||
>f6 : Symbol(f6, Decl(discriminatedUnionTypes1.ts, 110, 1))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
|
||||
switch (m.kind) {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
case "A":
|
||||
m; // { kind: "A", x: string }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
|
||||
|
||||
case "D":
|
||||
m; // { kind: "A", x: string } | { kind: "D" }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
|
||||
|
||||
break;
|
||||
default:
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 112, 12))
|
||||
}
|
||||
}
|
||||
|
||||
function f7(m: Message) {
|
||||
>f7 : Symbol(f7, Decl(discriminatedUnionTypes1.ts, 122, 1))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 124, 12))
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
|
||||
switch (m.kind) {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 124, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
case "A":
|
||||
case "B":
|
||||
return;
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number } | { kind: "D" }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 124, 12))
|
||||
}
|
||||
|
||||
function f8(m: Message) {
|
||||
>f8 : Symbol(f8, Decl(discriminatedUnionTypes1.ts, 131, 1))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 133, 12))
|
||||
>Message : Symbol(Message, Decl(discriminatedUnionTypes1.ts, 61, 1))
|
||||
|
||||
switch (m.kind) {
|
||||
>m.kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 133, 12))
|
||||
>kind : Symbol(kind, Decl(discriminatedUnionTypes1.ts, 64, 5), Decl(discriminatedUnionTypes1.ts, 65, 5), Decl(discriminatedUnionTypes1.ts, 66, 5))
|
||||
|
||||
case "A":
|
||||
return;
|
||||
case "D":
|
||||
throw new Error();
|
||||
>Error : Symbol(Error, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
>m : Symbol(m, Decl(discriminatedUnionTypes1.ts, 133, 12))
|
||||
}
|
||||
465
tests/baselines/reference/discriminatedUnionTypes1.types
Normal file
465
tests/baselines/reference/discriminatedUnionTypes1.types
Normal file
|
|
@ -0,0 +1,465 @@
|
|||
=== tests/cases/conformance/types/union/discriminatedUnionTypes1.ts ===
|
||||
interface Square {
|
||||
>Square : Square
|
||||
|
||||
kind: "square";
|
||||
>kind : "square"
|
||||
|
||||
size: number;
|
||||
>size : number
|
||||
}
|
||||
|
||||
interface Rectangle {
|
||||
>Rectangle : Rectangle
|
||||
|
||||
kind: "rectangle";
|
||||
>kind : "rectangle"
|
||||
|
||||
width: number;
|
||||
>width : number
|
||||
|
||||
height: number;
|
||||
>height : number
|
||||
}
|
||||
|
||||
interface Circle {
|
||||
>Circle : Circle
|
||||
|
||||
kind: "circle";
|
||||
>kind : "circle"
|
||||
|
||||
radius: number;
|
||||
>radius : number
|
||||
}
|
||||
|
||||
type Shape = Square | Rectangle | Circle;
|
||||
>Shape : Square | Rectangle | Circle
|
||||
>Square : Square
|
||||
>Rectangle : Rectangle
|
||||
>Circle : Circle
|
||||
|
||||
function area1(s: Shape) {
|
||||
>area1 : (s: Square | Rectangle | Circle) => number
|
||||
>s : Square | Rectangle | Circle
|
||||
>Shape : Square | Rectangle | Circle
|
||||
|
||||
if (s.kind === "square") {
|
||||
>s.kind === "square" : boolean
|
||||
>s.kind : "square" | "rectangle" | "circle"
|
||||
>s : Square | Rectangle | Circle
|
||||
>kind : "square" | "rectangle" | "circle"
|
||||
>"square" : string
|
||||
|
||||
return s.size * s.size;
|
||||
>s.size * s.size : number
|
||||
>s.size : number
|
||||
>s : Square
|
||||
>size : number
|
||||
>s.size : number
|
||||
>s : Square
|
||||
>size : number
|
||||
}
|
||||
else if (s.kind === "circle") {
|
||||
>s.kind === "circle" : boolean
|
||||
>s.kind : "rectangle" | "circle"
|
||||
>s : Rectangle | Circle
|
||||
>kind : "rectangle" | "circle"
|
||||
>"circle" : string
|
||||
|
||||
return Math.PI * s.radius * s.radius;
|
||||
>Math.PI * s.radius * s.radius : number
|
||||
>Math.PI * s.radius : number
|
||||
>Math.PI : number
|
||||
>Math : Math
|
||||
>PI : number
|
||||
>s.radius : number
|
||||
>s : Circle
|
||||
>radius : number
|
||||
>s.radius : number
|
||||
>s : Circle
|
||||
>radius : number
|
||||
}
|
||||
else if (s.kind === "rectangle") {
|
||||
>s.kind === "rectangle" : boolean
|
||||
>s.kind : "rectangle"
|
||||
>s : Rectangle
|
||||
>kind : "rectangle"
|
||||
>"rectangle" : string
|
||||
|
||||
return s.width * s.height;
|
||||
>s.width * s.height : number
|
||||
>s.width : number
|
||||
>s : Rectangle
|
||||
>width : number
|
||||
>s.height : number
|
||||
>s : Rectangle
|
||||
>height : number
|
||||
}
|
||||
else {
|
||||
return 0;
|
||||
>0 : number
|
||||
}
|
||||
}
|
||||
|
||||
function area2(s: Shape) {
|
||||
>area2 : (s: Square | Rectangle | Circle) => number
|
||||
>s : Square | Rectangle | Circle
|
||||
>Shape : Square | Rectangle | Circle
|
||||
|
||||
switch (s.kind) {
|
||||
>s.kind : "square" | "rectangle" | "circle"
|
||||
>s : Square | Rectangle | Circle
|
||||
>kind : "square" | "rectangle" | "circle"
|
||||
|
||||
case "square": return s.size * s.size;
|
||||
>"square" : string
|
||||
>s.size * s.size : number
|
||||
>s.size : number
|
||||
>s : Square
|
||||
>size : number
|
||||
>s.size : number
|
||||
>s : Square
|
||||
>size : number
|
||||
|
||||
case "rectangle": return s.width * s.height;
|
||||
>"rectangle" : string
|
||||
>s.width * s.height : number
|
||||
>s.width : number
|
||||
>s : Rectangle
|
||||
>width : number
|
||||
>s.height : number
|
||||
>s : Rectangle
|
||||
>height : number
|
||||
|
||||
case "circle": return Math.PI * s.radius * s.radius;
|
||||
>"circle" : string
|
||||
>Math.PI * s.radius * s.radius : number
|
||||
>Math.PI * s.radius : number
|
||||
>Math.PI : number
|
||||
>Math : Math
|
||||
>PI : number
|
||||
>s.radius : number
|
||||
>s : Circle
|
||||
>radius : number
|
||||
>s.radius : number
|
||||
>s : Circle
|
||||
>radius : number
|
||||
}
|
||||
}
|
||||
|
||||
function assertNever(x: never): never {
|
||||
>assertNever : (x: never) => never
|
||||
>x : never
|
||||
|
||||
throw new Error("Unexpected object: " + x);
|
||||
>new Error("Unexpected object: " + x) : Error
|
||||
>Error : ErrorConstructor
|
||||
>"Unexpected object: " + x : string
|
||||
>"Unexpected object: " : string
|
||||
>x : never
|
||||
}
|
||||
|
||||
function area3(s: Shape) {
|
||||
>area3 : (s: Square | Rectangle | Circle) => number
|
||||
>s : Square | Rectangle | Circle
|
||||
>Shape : Square | Rectangle | Circle
|
||||
|
||||
switch (s.kind) {
|
||||
>s.kind : "square" | "rectangle" | "circle"
|
||||
>s : Square | Rectangle | Circle
|
||||
>kind : "square" | "rectangle" | "circle"
|
||||
|
||||
case "square": return s.size * s.size;
|
||||
>"square" : string
|
||||
>s.size * s.size : number
|
||||
>s.size : number
|
||||
>s : Square
|
||||
>size : number
|
||||
>s.size : number
|
||||
>s : Square
|
||||
>size : number
|
||||
|
||||
case "rectangle": return s.width * s.height;
|
||||
>"rectangle" : string
|
||||
>s.width * s.height : number
|
||||
>s.width : number
|
||||
>s : Rectangle
|
||||
>width : number
|
||||
>s.height : number
|
||||
>s : Rectangle
|
||||
>height : number
|
||||
|
||||
case "circle": return Math.PI * s.radius * s.radius;
|
||||
>"circle" : string
|
||||
>Math.PI * s.radius * s.radius : number
|
||||
>Math.PI * s.radius : number
|
||||
>Math.PI : number
|
||||
>Math : Math
|
||||
>PI : number
|
||||
>s.radius : number
|
||||
>s : Circle
|
||||
>radius : number
|
||||
>s.radius : number
|
||||
>s : Circle
|
||||
>radius : number
|
||||
|
||||
default: return assertNever(s);
|
||||
>assertNever(s) : never
|
||||
>assertNever : (x: never) => never
|
||||
>s : never
|
||||
}
|
||||
}
|
||||
|
||||
function area4(s: Shape) {
|
||||
>area4 : (s: Square | Rectangle | Circle) => number
|
||||
>s : Square | Rectangle | Circle
|
||||
>Shape : Square | Rectangle | Circle
|
||||
|
||||
switch (s.kind) {
|
||||
>s.kind : "square" | "rectangle" | "circle"
|
||||
>s : Square | Rectangle | Circle
|
||||
>kind : "square" | "rectangle" | "circle"
|
||||
|
||||
case "square": return s.size * s.size;
|
||||
>"square" : string
|
||||
>s.size * s.size : number
|
||||
>s.size : number
|
||||
>s : Square
|
||||
>size : number
|
||||
>s.size : number
|
||||
>s : Square
|
||||
>size : number
|
||||
|
||||
case "rectangle": return s.width * s.height;
|
||||
>"rectangle" : string
|
||||
>s.width * s.height : number
|
||||
>s.width : number
|
||||
>s : Rectangle
|
||||
>width : number
|
||||
>s.height : number
|
||||
>s : Rectangle
|
||||
>height : number
|
||||
|
||||
case "circle": return Math.PI * s.radius * s.radius;
|
||||
>"circle" : string
|
||||
>Math.PI * s.radius * s.radius : number
|
||||
>Math.PI * s.radius : number
|
||||
>Math.PI : number
|
||||
>Math : Math
|
||||
>PI : number
|
||||
>s.radius : number
|
||||
>s : Circle
|
||||
>radius : number
|
||||
>s.radius : number
|
||||
>s : Circle
|
||||
>radius : number
|
||||
}
|
||||
return assertNever(s);
|
||||
>assertNever(s) : never
|
||||
>assertNever : (x: never) => never
|
||||
>s : never
|
||||
}
|
||||
|
||||
type Message =
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
|
||||
{ kind: "A", x: string } |
|
||||
>kind : "A"
|
||||
>x : string
|
||||
|
||||
{ kind: "B" | "C", y: number } |
|
||||
>kind : "B" | "C"
|
||||
>y : number
|
||||
|
||||
{ kind: "D" };
|
||||
>kind : "D"
|
||||
|
||||
function f1(m: Message) {
|
||||
>f1 : (m: { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }) => void
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
|
||||
if (m.kind === "A") {
|
||||
>m.kind === "A" : boolean
|
||||
>m.kind : "A" | "B" | "C" | "D"
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "A" | "B" | "C" | "D"
|
||||
>"A" : string
|
||||
|
||||
m; // { kind: "A", x: string }
|
||||
>m : { kind: "A"; x: string; }
|
||||
}
|
||||
else if (m.kind === "D") {
|
||||
>m.kind === "D" : boolean
|
||||
>m.kind : "B" | "C" | "D"
|
||||
>m : { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "B" | "C" | "D"
|
||||
>"D" : string
|
||||
|
||||
m; // { kind: "D" }
|
||||
>m : { kind: "D"; }
|
||||
}
|
||||
else {
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
>m : { kind: "B" | "C"; y: number; }
|
||||
}
|
||||
}
|
||||
|
||||
function f2(m: Message) {
|
||||
>f2 : (m: { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }) => void
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
|
||||
if (m.kind === "A") {
|
||||
>m.kind === "A" : boolean
|
||||
>m.kind : "A" | "B" | "C" | "D"
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "A" | "B" | "C" | "D"
|
||||
>"A" : string
|
||||
|
||||
return;
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number } | { kind: "D" }
|
||||
>m : { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
}
|
||||
|
||||
function f3(m: Message) {
|
||||
>f3 : (m: { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }) => void
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
|
||||
if (m.kind === "X") {
|
||||
>m.kind === "X" : boolean
|
||||
>m.kind : "A" | "B" | "C" | "D"
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "A" | "B" | "C" | "D"
|
||||
>"X" : string
|
||||
|
||||
m; // never
|
||||
>m : never
|
||||
}
|
||||
}
|
||||
|
||||
function f4(m: Message, x: "A" | "D") {
|
||||
>f4 : (m: { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }, x: "A" | "D") => void
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>x : "A" | "D"
|
||||
|
||||
if (m.kind == x) {
|
||||
>m.kind == x : boolean
|
||||
>m.kind : "A" | "B" | "C" | "D"
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "A" | "B" | "C" | "D"
|
||||
>x : "A" | "D"
|
||||
|
||||
m; // { kind: "A", x: string } | { kind: "D" }
|
||||
>m : { kind: "A"; x: string; } | { kind: "D"; }
|
||||
}
|
||||
}
|
||||
|
||||
function f5(m: Message) {
|
||||
>f5 : (m: { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }) => void
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
|
||||
switch (m.kind) {
|
||||
>m.kind : "A" | "B" | "C" | "D"
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "A" | "B" | "C" | "D"
|
||||
|
||||
case "A":
|
||||
>"A" : string
|
||||
|
||||
m; // { kind: "A", x: string }
|
||||
>m : { kind: "A"; x: string; }
|
||||
|
||||
break;
|
||||
case "D":
|
||||
>"D" : string
|
||||
|
||||
m; // { kind: "D" }
|
||||
>m : { kind: "D"; }
|
||||
|
||||
break;
|
||||
default:
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
>m : { kind: "B" | "C"; y: number; }
|
||||
}
|
||||
}
|
||||
|
||||
function f6(m: Message) {
|
||||
>f6 : (m: { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }) => void
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
|
||||
switch (m.kind) {
|
||||
>m.kind : "A" | "B" | "C" | "D"
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "A" | "B" | "C" | "D"
|
||||
|
||||
case "A":
|
||||
>"A" : string
|
||||
|
||||
m; // { kind: "A", x: string }
|
||||
>m : { kind: "A"; x: string; }
|
||||
|
||||
case "D":
|
||||
>"D" : string
|
||||
|
||||
m; // { kind: "A", x: string } | { kind: "D" }
|
||||
>m : { kind: "D"; } | { kind: "A"; x: string; }
|
||||
|
||||
break;
|
||||
default:
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
>m : { kind: "B" | "C"; y: number; }
|
||||
}
|
||||
}
|
||||
|
||||
function f7(m: Message) {
|
||||
>f7 : (m: { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }) => void
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
|
||||
switch (m.kind) {
|
||||
>m.kind : "A" | "B" | "C" | "D"
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "A" | "B" | "C" | "D"
|
||||
|
||||
case "A":
|
||||
>"A" : string
|
||||
|
||||
case "B":
|
||||
>"B" : string
|
||||
|
||||
return;
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number } | { kind: "D" }
|
||||
>m : { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
}
|
||||
|
||||
function f8(m: Message) {
|
||||
>f8 : (m: { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }) => void
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>Message : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
|
||||
switch (m.kind) {
|
||||
>m.kind : "A" | "B" | "C" | "D"
|
||||
>m : { kind: "A"; x: string; } | { kind: "B" | "C"; y: number; } | { kind: "D"; }
|
||||
>kind : "A" | "B" | "C" | "D"
|
||||
|
||||
case "A":
|
||||
>"A" : string
|
||||
|
||||
return;
|
||||
case "D":
|
||||
>"D" : string
|
||||
|
||||
throw new Error();
|
||||
>new Error() : Error
|
||||
>Error : ErrorConstructor
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
>m : { kind: "B" | "C"; y: number; }
|
||||
}
|
||||
142
tests/cases/conformance/types/union/discriminatedUnionTypes1.ts
Normal file
142
tests/cases/conformance/types/union/discriminatedUnionTypes1.ts
Normal file
|
|
@ -0,0 +1,142 @@
|
|||
interface Square {
|
||||
kind: "square";
|
||||
size: number;
|
||||
}
|
||||
|
||||
interface Rectangle {
|
||||
kind: "rectangle";
|
||||
width: number;
|
||||
height: number;
|
||||
}
|
||||
|
||||
interface Circle {
|
||||
kind: "circle";
|
||||
radius: number;
|
||||
}
|
||||
|
||||
type Shape = Square | Rectangle | Circle;
|
||||
|
||||
function area1(s: Shape) {
|
||||
if (s.kind === "square") {
|
||||
return s.size * s.size;
|
||||
}
|
||||
else if (s.kind === "circle") {
|
||||
return Math.PI * s.radius * s.radius;
|
||||
}
|
||||
else if (s.kind === "rectangle") {
|
||||
return s.width * s.height;
|
||||
}
|
||||
else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
function area2(s: Shape) {
|
||||
switch (s.kind) {
|
||||
case "square": return s.size * s.size;
|
||||
case "rectangle": return s.width * s.height;
|
||||
case "circle": return Math.PI * s.radius * s.radius;
|
||||
}
|
||||
}
|
||||
|
||||
function assertNever(x: never): never {
|
||||
throw new Error("Unexpected object: " + x);
|
||||
}
|
||||
|
||||
function area3(s: Shape) {
|
||||
switch (s.kind) {
|
||||
case "square": return s.size * s.size;
|
||||
case "rectangle": return s.width * s.height;
|
||||
case "circle": return Math.PI * s.radius * s.radius;
|
||||
default: return assertNever(s);
|
||||
}
|
||||
}
|
||||
|
||||
function area4(s: Shape) {
|
||||
switch (s.kind) {
|
||||
case "square": return s.size * s.size;
|
||||
case "rectangle": return s.width * s.height;
|
||||
case "circle": return Math.PI * s.radius * s.radius;
|
||||
}
|
||||
return assertNever(s);
|
||||
}
|
||||
|
||||
type Message =
|
||||
{ kind: "A", x: string } |
|
||||
{ kind: "B" | "C", y: number } |
|
||||
{ kind: "D" };
|
||||
|
||||
function f1(m: Message) {
|
||||
if (m.kind === "A") {
|
||||
m; // { kind: "A", x: string }
|
||||
}
|
||||
else if (m.kind === "D") {
|
||||
m; // { kind: "D" }
|
||||
}
|
||||
else {
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
}
|
||||
}
|
||||
|
||||
function f2(m: Message) {
|
||||
if (m.kind === "A") {
|
||||
return;
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number } | { kind: "D" }
|
||||
}
|
||||
|
||||
function f3(m: Message) {
|
||||
if (m.kind === "X") {
|
||||
m; // never
|
||||
}
|
||||
}
|
||||
|
||||
function f4(m: Message, x: "A" | "D") {
|
||||
if (m.kind == x) {
|
||||
m; // { kind: "A", x: string } | { kind: "D" }
|
||||
}
|
||||
}
|
||||
|
||||
function f5(m: Message) {
|
||||
switch (m.kind) {
|
||||
case "A":
|
||||
m; // { kind: "A", x: string }
|
||||
break;
|
||||
case "D":
|
||||
m; // { kind: "D" }
|
||||
break;
|
||||
default:
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
}
|
||||
}
|
||||
|
||||
function f6(m: Message) {
|
||||
switch (m.kind) {
|
||||
case "A":
|
||||
m; // { kind: "A", x: string }
|
||||
case "D":
|
||||
m; // { kind: "A", x: string } | { kind: "D" }
|
||||
break;
|
||||
default:
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
}
|
||||
}
|
||||
|
||||
function f7(m: Message) {
|
||||
switch (m.kind) {
|
||||
case "A":
|
||||
case "B":
|
||||
return;
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number } | { kind: "D" }
|
||||
}
|
||||
|
||||
function f8(m: Message) {
|
||||
switch (m.kind) {
|
||||
case "A":
|
||||
return;
|
||||
case "D":
|
||||
throw new Error();
|
||||
}
|
||||
m; // { kind: "B" | "C", y: number }
|
||||
}
|
||||
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Reference in a new issue