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https://github.com/LadybirdBrowser/ladybird
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ad0bea3069
The short-circuit evaluation in `is_invalid || !consume_exponent()` skipped the consume_exponent() call when is_invalid was already true. This meant that for inputs like `1._1e2`, the exponent part would not be consumed and would instead be lexed as separate tokens.
65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
// FIXME: Some of the test cases below are duplicated, presumably to test
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// uppercase as well which then got lowercased by Prettier at some point.
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test("hex literals", () => {
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expect(0xff).toBe(255);
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expect(0xff).toBe(255);
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});
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test("octal literals", () => {
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expect(0o10).toBe(8);
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expect(0o10).toBe(8);
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expect(010).toBe(8);
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expect(089).toBe(89);
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});
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test("binary literals", () => {
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expect(0b10).toBe(2);
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expect(0b10).toBe(2);
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});
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test("exponential literals", () => {
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expect(1e3).toBe(1000);
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expect(1e3).toBe(1000);
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expect(1e-3).toBe(0.001);
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expect(1e1).toBe(10);
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expect(0.1e1).toBe(1);
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expect(0.1e1).toBe(1);
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expect(0.1e1).toBe(1);
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expect(0.1e1).toBe(1);
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});
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test("decimal numbers", () => {
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expect(1).toBe(1);
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expect(0.1).toBe(0.1);
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});
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test("accessing properties of decimal numbers", () => {
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Number.prototype.foo = "foo";
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expect((1).foo).toBe("foo");
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expect((1.1).foo).toBe("foo");
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expect((0.1).foo).toBe("foo");
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});
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test("invalid numeric literals", () => {
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expect("1e").not.toEval();
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expect("0x").not.toEval();
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expect("0b").not.toEval();
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expect("0o").not.toEval();
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expect("'use strict'; 0755").not.toEval();
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expect("1in[]").not.toEval();
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expect("2instanceof foo").not.toEval();
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expect("1._1e2").not.toEval();
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});
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test("out-of-range literals", () => {
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expect(0x10000000000000000).toBe(18446744073709552000);
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expect(-0x10000000000000000).toBe(-18446744073709552000);
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expect(0o2000000000000000000000).toBe(18446744073709552000);
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expect(-0o2000000000000000000000).toBe(-18446744073709552000);
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expect(0b10000000000000000000000000000000000000000000000000000000000000000).toBe(18446744073709552000);
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expect(-0b10000000000000000000000000000000000000000000000000000000000000000).toBe(-18446744073709552000);
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});
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