Add tests

This commit is contained in:
Anders Hejlsberg 2016-10-13 06:40:16 -07:00
parent 57a9a6344a
commit 8bcb22c56d
4 changed files with 505 additions and 0 deletions

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//// [literalTypes3.ts]
function f1(s: string) {
if (s === "foo") {
s; // "foo"
}
if (s === "foo" || s === "bar") {
s; // "foo" | "bar"
}
}
function f2(s: string) {
switch (s) {
case "foo":
case "bar":
s; // "foo" | "bar"
case "baz":
s; // "foo" | "bar" | "baz"
break;
default:
s; // string
}
}
function f3(s: string) {
return s === "foo" || s === "bar" ? s : undefined; // "foo" | "bar" | undefined
}
function f4(x: number) {
if (x === 1 || x === 2) {
return x; // 1 | 2
}
throw new Error();
}
function f5(x: number, y: 1 | 2) {
if (x === 0 || x === y) {
x; // 0 | 1 | 2
}
}
function f6(x: number, y: 1 | 2) {
if (y === x || 0 === x) {
x; // 0 | 1 | 2
}
}
function f7(x: number | "foo" | "bar", y: 1 | 2 | string) {
if (x === y) {
x; // "foo" | "bar" | 1 | 2
}
}
function f8(x: number | "foo" | "bar") {
switch (x) {
case 1:
case 2:
x; // 1 | 2
break;
case "foo":
x; // "foo"
break;
default:
x; // number | "bar"
}
}
//// [literalTypes3.js]
function f1(s) {
if (s === "foo") {
s; // "foo"
}
if (s === "foo" || s === "bar") {
s; // "foo" | "bar"
}
}
function f2(s) {
switch (s) {
case "foo":
case "bar":
s; // "foo" | "bar"
case "baz":
s; // "foo" | "bar" | "baz"
break;
default:
s; // string
}
}
function f3(s) {
return s === "foo" || s === "bar" ? s : undefined; // "foo" | "bar" | undefined
}
function f4(x) {
if (x === 1 || x === 2) {
return x; // 1 | 2
}
throw new Error();
}
function f5(x, y) {
if (x === 0 || x === y) {
x; // 0 | 1 | 2
}
}
function f6(x, y) {
if (y === x || 0 === x) {
x; // 0 | 1 | 2
}
}
function f7(x, y) {
if (x === y) {
x; // "foo" | "bar" | 1 | 2
}
}
function f8(x) {
switch (x) {
case 1:
case 2:
x; // 1 | 2
break;
case "foo":
x; // "foo"
break;
default:
x; // number | "bar"
}
}

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=== tests/cases/conformance/types/literal/literalTypes3.ts ===
function f1(s: string) {
>f1 : Symbol(f1, Decl(literalTypes3.ts, 0, 0))
>s : Symbol(s, Decl(literalTypes3.ts, 1, 12))
if (s === "foo") {
>s : Symbol(s, Decl(literalTypes3.ts, 1, 12))
s; // "foo"
>s : Symbol(s, Decl(literalTypes3.ts, 1, 12))
}
if (s === "foo" || s === "bar") {
>s : Symbol(s, Decl(literalTypes3.ts, 1, 12))
>s : Symbol(s, Decl(literalTypes3.ts, 1, 12))
s; // "foo" | "bar"
>s : Symbol(s, Decl(literalTypes3.ts, 1, 12))
}
}
function f2(s: string) {
>f2 : Symbol(f2, Decl(literalTypes3.ts, 8, 1))
>s : Symbol(s, Decl(literalTypes3.ts, 10, 12))
switch (s) {
>s : Symbol(s, Decl(literalTypes3.ts, 10, 12))
case "foo":
case "bar":
s; // "foo" | "bar"
>s : Symbol(s, Decl(literalTypes3.ts, 10, 12))
case "baz":
s; // "foo" | "bar" | "baz"
>s : Symbol(s, Decl(literalTypes3.ts, 10, 12))
break;
default:
s; // string
>s : Symbol(s, Decl(literalTypes3.ts, 10, 12))
}
}
function f3(s: string) {
>f3 : Symbol(f3, Decl(literalTypes3.ts, 21, 1))
>s : Symbol(s, Decl(literalTypes3.ts, 23, 12))
return s === "foo" || s === "bar" ? s : undefined; // "foo" | "bar" | undefined
>s : Symbol(s, Decl(literalTypes3.ts, 23, 12))
>s : Symbol(s, Decl(literalTypes3.ts, 23, 12))
>s : Symbol(s, Decl(literalTypes3.ts, 23, 12))
>undefined : Symbol(undefined)
}
function f4(x: number) {
>f4 : Symbol(f4, Decl(literalTypes3.ts, 25, 1))
>x : Symbol(x, Decl(literalTypes3.ts, 27, 12))
if (x === 1 || x === 2) {
>x : Symbol(x, Decl(literalTypes3.ts, 27, 12))
>x : Symbol(x, Decl(literalTypes3.ts, 27, 12))
return x; // 1 | 2
>x : Symbol(x, Decl(literalTypes3.ts, 27, 12))
}
throw new Error();
>Error : Symbol(Error, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
}
function f5(x: number, y: 1 | 2) {
>f5 : Symbol(f5, Decl(literalTypes3.ts, 32, 1))
>x : Symbol(x, Decl(literalTypes3.ts, 34, 12))
>y : Symbol(y, Decl(literalTypes3.ts, 34, 22))
if (x === 0 || x === y) {
>x : Symbol(x, Decl(literalTypes3.ts, 34, 12))
>x : Symbol(x, Decl(literalTypes3.ts, 34, 12))
>y : Symbol(y, Decl(literalTypes3.ts, 34, 22))
x; // 0 | 1 | 2
>x : Symbol(x, Decl(literalTypes3.ts, 34, 12))
}
}
function f6(x: number, y: 1 | 2) {
>f6 : Symbol(f6, Decl(literalTypes3.ts, 38, 1))
>x : Symbol(x, Decl(literalTypes3.ts, 40, 12))
>y : Symbol(y, Decl(literalTypes3.ts, 40, 22))
if (y === x || 0 === x) {
>y : Symbol(y, Decl(literalTypes3.ts, 40, 22))
>x : Symbol(x, Decl(literalTypes3.ts, 40, 12))
>x : Symbol(x, Decl(literalTypes3.ts, 40, 12))
x; // 0 | 1 | 2
>x : Symbol(x, Decl(literalTypes3.ts, 40, 12))
}
}
function f7(x: number | "foo" | "bar", y: 1 | 2 | string) {
>f7 : Symbol(f7, Decl(literalTypes3.ts, 44, 1))
>x : Symbol(x, Decl(literalTypes3.ts, 46, 12))
>y : Symbol(y, Decl(literalTypes3.ts, 46, 38))
if (x === y) {
>x : Symbol(x, Decl(literalTypes3.ts, 46, 12))
>y : Symbol(y, Decl(literalTypes3.ts, 46, 38))
x; // "foo" | "bar" | 1 | 2
>x : Symbol(x, Decl(literalTypes3.ts, 46, 12))
}
}
function f8(x: number | "foo" | "bar") {
>f8 : Symbol(f8, Decl(literalTypes3.ts, 50, 1))
>x : Symbol(x, Decl(literalTypes3.ts, 52, 12))
switch (x) {
>x : Symbol(x, Decl(literalTypes3.ts, 52, 12))
case 1:
case 2:
x; // 1 | 2
>x : Symbol(x, Decl(literalTypes3.ts, 52, 12))
break;
case "foo":
x; // "foo"
>x : Symbol(x, Decl(literalTypes3.ts, 52, 12))
break;
default:
x; // number | "bar"
>x : Symbol(x, Decl(literalTypes3.ts, 52, 12))
}
}

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=== tests/cases/conformance/types/literal/literalTypes3.ts ===
function f1(s: string) {
>f1 : (s: string) => void
>s : string
if (s === "foo") {
>s === "foo" : boolean
>s : string
>"foo" : "foo"
s; // "foo"
>s : "foo"
}
if (s === "foo" || s === "bar") {
>s === "foo" || s === "bar" : boolean
>s === "foo" : boolean
>s : string
>"foo" : "foo"
>s === "bar" : boolean
>s : string
>"bar" : "bar"
s; // "foo" | "bar"
>s : "foo" | "bar"
}
}
function f2(s: string) {
>f2 : (s: string) => void
>s : string
switch (s) {
>s : string
case "foo":
>"foo" : "foo"
case "bar":
>"bar" : "bar"
s; // "foo" | "bar"
>s : "foo" | "bar"
case "baz":
>"baz" : "baz"
s; // "foo" | "bar" | "baz"
>s : "foo" | "bar" | "baz"
break;
default:
s; // string
>s : string
}
}
function f3(s: string) {
>f3 : (s: string) => "foo" | "bar" | undefined
>s : string
return s === "foo" || s === "bar" ? s : undefined; // "foo" | "bar" | undefined
>s === "foo" || s === "bar" ? s : undefined : "foo" | "bar" | undefined
>s === "foo" || s === "bar" : boolean
>s === "foo" : boolean
>s : string
>"foo" : "foo"
>s === "bar" : boolean
>s : string
>"bar" : "bar"
>s : "foo" | "bar"
>undefined : undefined
}
function f4(x: number) {
>f4 : (x: number) => 1 | 2
>x : number
if (x === 1 || x === 2) {
>x === 1 || x === 2 : boolean
>x === 1 : boolean
>x : number
>1 : 1
>x === 2 : boolean
>x : number
>2 : 2
return x; // 1 | 2
>x : 1 | 2
}
throw new Error();
>new Error() : Error
>Error : ErrorConstructor
}
function f5(x: number, y: 1 | 2) {
>f5 : (x: number, y: 1 | 2) => void
>x : number
>y : 1 | 2
if (x === 0 || x === y) {
>x === 0 || x === y : boolean
>x === 0 : boolean
>x : number
>0 : 0
>x === y : boolean
>x : number
>y : 1 | 2
x; // 0 | 1 | 2
>x : 1 | 2 | 0
}
}
function f6(x: number, y: 1 | 2) {
>f6 : (x: number, y: 1 | 2) => void
>x : number
>y : 1 | 2
if (y === x || 0 === x) {
>y === x || 0 === x : boolean
>y === x : boolean
>y : 1 | 2
>x : number
>0 === x : boolean
>0 : 0
>x : number
x; // 0 | 1 | 2
>x : 1 | 2 | 0
}
}
function f7(x: number | "foo" | "bar", y: 1 | 2 | string) {
>f7 : (x: number | "foo" | "bar", y: string | 1 | 2) => void
>x : number | "foo" | "bar"
>y : string | 1 | 2
if (x === y) {
>x === y : boolean
>x : number | "foo" | "bar"
>y : string | 1 | 2
x; // "foo" | "bar" | 1 | 2
>x : "foo" | "bar" | 1 | 2
}
}
function f8(x: number | "foo" | "bar") {
>f8 : (x: number | "foo" | "bar") => void
>x : number | "foo" | "bar"
switch (x) {
>x : number | "foo" | "bar"
case 1:
>1 : 1
case 2:
>2 : 2
x; // 1 | 2
>x : 1 | 2
break;
case "foo":
>"foo" : "foo"
x; // "foo"
>x : "foo"
break;
default:
x; // number | "bar"
>x : number | "bar"
}
}

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// @strictNullChecks: true
function f1(s: string) {
if (s === "foo") {
s; // "foo"
}
if (s === "foo" || s === "bar") {
s; // "foo" | "bar"
}
}
function f2(s: string) {
switch (s) {
case "foo":
case "bar":
s; // "foo" | "bar"
case "baz":
s; // "foo" | "bar" | "baz"
break;
default:
s; // string
}
}
function f3(s: string) {
return s === "foo" || s === "bar" ? s : undefined; // "foo" | "bar" | undefined
}
function f4(x: number) {
if (x === 1 || x === 2) {
return x; // 1 | 2
}
throw new Error();
}
function f5(x: number, y: 1 | 2) {
if (x === 0 || x === y) {
x; // 0 | 1 | 2
}
}
function f6(x: number, y: 1 | 2) {
if (y === x || 0 === x) {
x; // 0 | 1 | 2
}
}
function f7(x: number | "foo" | "bar", y: 1 | 2 | string) {
if (x === y) {
x; // "foo" | "bar" | 1 | 2
}
}
function f8(x: number | "foo" | "bar") {
switch (x) {
case 1:
case 2:
x; // 1 | 2
break;
case "foo":
x; // "foo"
break;
default:
x; // number | "bar"
}
}