69e9bfef35
Test that `typeof x === 'random' as string`: 1. Does not issue an error. 2. Does not narrow.
41 lines
795 B
Plaintext
41 lines
795 B
Plaintext
=== tests/cases/conformance/expressions/typeGuards/typeGuardEnums.ts ===
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enum E {}
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>E : E
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enum V {}
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>V : V
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let x: number|string|E|V;
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>x : string | number | E | V
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>E : E
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>V : V
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if (typeof x === "number") {
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>typeof x === "number" : boolean
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>typeof x : "string" | "number" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : string | number | E | V
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>"number" : "number"
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x; // number|E|V
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>x : number | E | V
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}
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else {
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x; // string
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>x : string
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}
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if (typeof x !== "number") {
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>typeof x !== "number" : boolean
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>typeof x : "string" | "number" | "boolean" | "symbol" | "undefined" | "object" | "function"
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>x : string | number | E | V
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>"number" : "number"
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x; // string
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>x : string
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}
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else {
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x; // number|E|V
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>x : number | E | V
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}
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