mirror of
https://github.com/LadybirdBrowser/ladybird
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3646912c5c
Add scripts for importing the V8 and WebKit regexp suites into `Tests/LibJS/Runtime/3rdparty/` and commit the imported tests. Also update the local harness helpers so these suites can run under LibJS. In particular, teach the assertion shims to compare RegExp values the way the imported tests expect and to treat `new Function(...)` throwing as a valid `assertThrows` case. This gives the regex rewrite a large bank of external conformance tests that exercise parser and matcher behavior beyond in-tree coverage.
72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
test("invalid-range-in-class", () => {
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// WebKit assertion compatibility shim for Ladybird's test-js harness
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function description(msg) {
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// No-op, just used for test documentation in WebKit.
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}
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function shouldBe(actual_code, expected_code) {
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let actual = eval(actual_code);
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let expected = eval(expected_code);
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if (typeof actual === "string" && typeof expected === "string") {
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expect(actual).toBe(expected);
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} else if (Array.isArray(actual) && Array.isArray(expected)) {
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expect(actual).toEqual(expected);
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} else if (actual !== null && typeof actual === "object" && expected !== null && typeof expected === "object") {
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expect(actual).toEqual(expected);
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} else {
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expect(actual).toBe(expected);
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}
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}
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function shouldBeTrue(code) {
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expect(eval(code)).toBeTrue();
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}
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function shouldBeFalse(code) {
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expect(eval(code)).toBeFalse();
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}
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function shouldBeNull(code) {
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expect(eval(code)).toBeNull();
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}
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function shouldBeUndefined(code) {
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expect(eval(code)).toBeUndefined();
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}
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function shouldThrow(code, expected_error) {
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expect(() => eval(code)).toThrow();
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}
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function shouldNotThrow(code) {
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eval(code);
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}
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description("This page tests invalid character ranges in character classes.");
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// These test a basic range / non range.
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shouldBe('/[a-c]+/.exec("-acbd");', '["acb"]');
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shouldBe('/[a\\-c]+/.exec("-acbd")', '["-ac"]');
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// A reverse-range is invalid.
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shouldThrow('/[c-a]+/.exec("-acbd");');
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// A character-class in a range is invalid, according to ECMA-262, but we allow it.
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shouldBe('/[\\d-x]+/.exec("1-3xy");', '["1-3x"]');
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shouldBe('/[x-\\d]+/.exec("1-3xy");', '["1-3x"]');
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shouldBe('/[\\d-\\d]+/.exec("1-3xy");', '["1-3"]');
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// Whilst we break with ECMA-262's definition of CharacterRange, we do comply with
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// the grammar, and as such in the following regex a-z cannot be matched as a range.
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shouldBe('/[\\d-a-z]+/.exec("az1-3y");', '["az1-3"]');
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// An escaped hypen should not be confused for an invalid range.
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shouldBe('/[\\d\\-x]+/.exec("1-3xy");', '["1-3x"]');
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shouldBe('/[x\\-\\d]+/.exec("1-3xy");', '["1-3x"]');
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shouldBe('/[\\d\\-\\d]+/.exec("1-3xy");', '["1-3"]');
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// A hyphen after a character-class is not invalid.
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shouldBe('/[\\d-]+/.exec("1-3xy")', '["1-3"]');
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});
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