162 lines
6.9 KiB
Plaintext
162 lines
6.9 KiB
Plaintext
=== tests/cases/conformance/expressions/typeGuards/typeGuardOfFormTypeOfOther.ts ===
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class C { private p: string };
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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>p : Symbol(p, Decl(typeGuardOfFormTypeOfOther.ts, 0, 9))
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var str: string;
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>str : Symbol(str, Decl(typeGuardOfFormTypeOfOther.ts, 2, 3))
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var bool: boolean;
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>bool : Symbol(bool, Decl(typeGuardOfFormTypeOfOther.ts, 3, 3))
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var num: number;
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>num : Symbol(num, Decl(typeGuardOfFormTypeOfOther.ts, 4, 3))
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var strOrNum: string | number;
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>strOrNum : Symbol(strOrNum, Decl(typeGuardOfFormTypeOfOther.ts, 5, 3))
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var strOrBool: string | boolean;
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>strOrBool : Symbol(strOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 6, 3))
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var numOrBool: number | boolean
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>numOrBool : Symbol(numOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 7, 3))
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var strOrNumOrBool: string | number | boolean;
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>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 8, 3))
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var strOrC: string | C;
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>strOrC : Symbol(strOrC, Decl(typeGuardOfFormTypeOfOther.ts, 9, 3))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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var numOrC: number | C;
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>numOrC : Symbol(numOrC, Decl(typeGuardOfFormTypeOfOther.ts, 10, 3))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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var boolOrC: boolean | C;
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>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfOther.ts, 11, 3))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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var emptyObj: {};
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>emptyObj : Symbol(emptyObj, Decl(typeGuardOfFormTypeOfOther.ts, 12, 3))
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var c: C;
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>c : Symbol(c, Decl(typeGuardOfFormTypeOfOther.ts, 13, 3))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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// A type guard of the form typeof x === s,
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// where s is a string literal with any value but 'string', 'number' or 'boolean',
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// - when true, removes the primitive types string, number, and boolean from the type of x, or
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// - when false, has no effect on the type of x.
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if (typeof strOrC === "Object") {
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>strOrC : Symbol(strOrC, Decl(typeGuardOfFormTypeOfOther.ts, 9, 3))
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c = strOrC; // C
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>c : Symbol(c, Decl(typeGuardOfFormTypeOfOther.ts, 13, 3))
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>strOrC : Symbol(strOrC, Decl(typeGuardOfFormTypeOfOther.ts, 9, 3))
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}
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else {
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var r2: string | C = strOrC; // string | C
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>r2 : Symbol(r2, Decl(typeGuardOfFormTypeOfOther.ts, 24, 7), Decl(typeGuardOfFormTypeOfOther.ts, 51, 7))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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>strOrC : Symbol(strOrC, Decl(typeGuardOfFormTypeOfOther.ts, 9, 3))
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}
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if (typeof numOrC === "Object") {
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>numOrC : Symbol(numOrC, Decl(typeGuardOfFormTypeOfOther.ts, 10, 3))
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c = numOrC; // C
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>c : Symbol(c, Decl(typeGuardOfFormTypeOfOther.ts, 13, 3))
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>numOrC : Symbol(numOrC, Decl(typeGuardOfFormTypeOfOther.ts, 10, 3))
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}
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else {
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var r3: number | C = numOrC; // number | C
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>r3 : Symbol(r3, Decl(typeGuardOfFormTypeOfOther.ts, 30, 7), Decl(typeGuardOfFormTypeOfOther.ts, 57, 7))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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>numOrC : Symbol(numOrC, Decl(typeGuardOfFormTypeOfOther.ts, 10, 3))
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}
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if (typeof boolOrC === "Object") {
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>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfOther.ts, 11, 3))
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c = boolOrC; // C
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>c : Symbol(c, Decl(typeGuardOfFormTypeOfOther.ts, 13, 3))
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>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfOther.ts, 11, 3))
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}
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else {
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var r4: boolean | C = boolOrC; // boolean | C
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>r4 : Symbol(r4, Decl(typeGuardOfFormTypeOfOther.ts, 36, 7), Decl(typeGuardOfFormTypeOfOther.ts, 63, 7))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfOther.ts, 11, 3))
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}
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// Narrowing occurs only if target type is a subtype of variable type
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if (typeof strOrNumOrBool === "Object") {
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>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 8, 3))
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var q1: string | number | boolean = strOrNumOrBool; // string | number | boolean
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>q1 : Symbol(q1, Decl(typeGuardOfFormTypeOfOther.ts, 41, 7), Decl(typeGuardOfFormTypeOfOther.ts, 71, 7))
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>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 8, 3))
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}
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else {
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var q2: string | number | boolean = strOrNumOrBool; // string | number | boolean
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>q2 : Symbol(q2, Decl(typeGuardOfFormTypeOfOther.ts, 44, 7), Decl(typeGuardOfFormTypeOfOther.ts, 74, 7))
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>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 8, 3))
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}
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// A type guard of the form typeof x !== s, where s is a string literal,
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// - when true, narrows the type of x by typeof x === s when false, or
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// - when false, narrows the type of x by typeof x === s when true.
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if (typeof strOrC !== "Object") {
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>strOrC : Symbol(strOrC, Decl(typeGuardOfFormTypeOfOther.ts, 9, 3))
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var r2: string | C = strOrC; // string | C
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>r2 : Symbol(r2, Decl(typeGuardOfFormTypeOfOther.ts, 24, 7), Decl(typeGuardOfFormTypeOfOther.ts, 51, 7))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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>strOrC : Symbol(strOrC, Decl(typeGuardOfFormTypeOfOther.ts, 9, 3))
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}
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else {
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c = strOrC; // C
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>c : Symbol(c, Decl(typeGuardOfFormTypeOfOther.ts, 13, 3))
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>strOrC : Symbol(strOrC, Decl(typeGuardOfFormTypeOfOther.ts, 9, 3))
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}
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if (typeof numOrC !== "Object") {
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>numOrC : Symbol(numOrC, Decl(typeGuardOfFormTypeOfOther.ts, 10, 3))
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var r3: number | C = numOrC; // number | C
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>r3 : Symbol(r3, Decl(typeGuardOfFormTypeOfOther.ts, 30, 7), Decl(typeGuardOfFormTypeOfOther.ts, 57, 7))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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>numOrC : Symbol(numOrC, Decl(typeGuardOfFormTypeOfOther.ts, 10, 3))
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}
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else {
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c = numOrC; // C
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>c : Symbol(c, Decl(typeGuardOfFormTypeOfOther.ts, 13, 3))
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>numOrC : Symbol(numOrC, Decl(typeGuardOfFormTypeOfOther.ts, 10, 3))
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}
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if (typeof boolOrC !== "Object") {
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>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfOther.ts, 11, 3))
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var r4: boolean | C = boolOrC; // boolean | C
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>r4 : Symbol(r4, Decl(typeGuardOfFormTypeOfOther.ts, 36, 7), Decl(typeGuardOfFormTypeOfOther.ts, 63, 7))
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>C : Symbol(C, Decl(typeGuardOfFormTypeOfOther.ts, 0, 0))
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>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfOther.ts, 11, 3))
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}
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else {
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c = boolOrC; // C
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>c : Symbol(c, Decl(typeGuardOfFormTypeOfOther.ts, 13, 3))
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>boolOrC : Symbol(boolOrC, Decl(typeGuardOfFormTypeOfOther.ts, 11, 3))
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}
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// Narrowing occurs only if target type is a subtype of variable type
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if (typeof strOrNumOrBool !== "Object") {
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>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 8, 3))
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var q1: string | number | boolean = strOrNumOrBool; // string | number | boolean
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>q1 : Symbol(q1, Decl(typeGuardOfFormTypeOfOther.ts, 41, 7), Decl(typeGuardOfFormTypeOfOther.ts, 71, 7))
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>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 8, 3))
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}
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else {
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var q2: string | number | boolean = strOrNumOrBool; // string | number | boolean
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>q2 : Symbol(q2, Decl(typeGuardOfFormTypeOfOther.ts, 44, 7), Decl(typeGuardOfFormTypeOfOther.ts, 74, 7))
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>strOrNumOrBool : Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfOther.ts, 8, 3))
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}
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