18 lines
417 B
JavaScript
18 lines
417 B
JavaScript
test("var in for head", () => {
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for (var v = 5; false; );
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expect(v).toBe(5);
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});
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test("let in for head", () => {
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for (let l = 5; false; );
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expect(() => {
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l;
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}).toThrowWithMessage(ReferenceError, "'l' is not defined");
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});
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test("const in for head", () => {
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for (const c = 5; false; );
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expect(() => {
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c;
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}).toThrowWithMessage(ReferenceError, "'c' is not defined");
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});
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