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https://github.com/RGBCube/serenity
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d218a68296
Although not quite like the spec says the web reality is that a lhs target of CallExpression should not give a SyntaxError but only a ReferenceError once executed.
55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
test("assignment to function call", () => {
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expect(() => {
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function foo() {}
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foo() = "foo";
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}).toThrowWithMessage(ReferenceError, "Invalid left-hand side in assignment");
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});
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test("assignment to function call in strict mode", () => {
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expect("'use strict'; foo() = 'foo'").toEval();
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});
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test("assignment to inline function call", () => {
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expect(() => {
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(function () {})() = "foo";
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}).toThrowWithMessage(ReferenceError, "Invalid left-hand side in assignment");
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});
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test("assignment to invalid LHS is syntax error", () => {
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expect("1 += 1").not.toEval();
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expect("1 -= 1").not.toEval();
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expect("1 *= 1").not.toEval();
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expect("1 /= 1").not.toEval();
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expect("1 %= 1").not.toEval();
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expect("1 **= 1").not.toEval();
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expect("1 &= 1").not.toEval();
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expect("1 |= 1").not.toEval();
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expect("1 ^= 1").not.toEval();
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expect("1 <<= 1").not.toEval();
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expect("1 >>= 1").not.toEval();
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expect("1 >>>= 1").not.toEval();
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expect("1 = 1").not.toEval();
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expect("1 &&= 1").not.toEval();
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expect("1 ||= 1").not.toEval();
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expect("1 ??= 1").not.toEval();
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});
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test("assignment to call LHS is only syntax error for new operators", () => {
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expect("f() += 1").toEval();
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expect("f() -= 1").toEval();
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expect("f() *= 1").toEval();
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expect("f() /= 1").toEval();
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expect("f() %= 1").toEval();
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expect("f() **= 1").toEval();
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expect("f() &= 1").toEval();
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expect("f() |= 1").toEval();
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expect("f() ^= 1").toEval();
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expect("f() <<= 1").toEval();
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expect("f() >>= 1").toEval();
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expect("f() >>>= 1").toEval();
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expect("f() = 1").toEval();
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expect("f() &&= 1").not.toEval();
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expect("f() ||= 1").not.toEval();
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expect("f() ??= 1").not.toEval();
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});
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