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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/object/toPrimitive-callers.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/object/toPrimitive-callers.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/non262/object/toPrimitive-callers.js b/js/src/tests/non262/object/toPrimitive-callers.js new file mode 100644 index 0000000000..ffeef2225c --- /dev/null +++ b/js/src/tests/non262/object/toPrimitive-callers.js @@ -0,0 +1,57 @@ +// Check all the algorithms that call ToPrimitive. Confirm that they're passing +// the correct hint, per spec. + +var STRING = "xyzzy"; +var NUMBER = 42; + +function assertCallsToPrimitive(f, expectedHint, expectedResult) { + var hint = undefined; + var testObj = { + [Symbol.toPrimitive](h) { + assertEq(hint, undefined); + hint = h; + return h === "number" ? NUMBER : STRING; + } + }; + var result = f(testObj); + assertEq(hint, expectedHint, String(f)); + assertEq(result, expectedResult, String(f)); +} + +// ToNumber +assertCallsToPrimitive(Number, "number", NUMBER); + +// ToString +assertCallsToPrimitive(String, "string", STRING); + +// ToPropertyKey +var obj = {[STRING]: "pass"}; +assertCallsToPrimitive(key => obj[key], "string", "pass"); + +// Abstract Relational Comparison +assertCallsToPrimitive(x => x >= 42, "number", true); +assertCallsToPrimitive(x => x > "42", "number", false); + +// Abstract Equality Comparison +assertCallsToPrimitive(x => x != STRING, "default", false); +assertCallsToPrimitive(x => STRING == x, "default", true); +assertCallsToPrimitive(x => x == NUMBER, "default", false); +assertCallsToPrimitive(x => NUMBER != x, "default", true); + +// Addition +assertCallsToPrimitive(x => 1 + x, "default", "1" + STRING); +assertCallsToPrimitive(x => "" + x, "default", STRING); + +// Date constructor +assertCallsToPrimitive(x => (new Date(x)).valueOf(), "default", Number(STRING)); + +// Date.prototype.toJSON +var expected = "a suffusion of yellow"; +function testJSON(x) { + x.toJSON = Date.prototype.toJSON; + x.toISOString = function () { return expected; }; + return JSON.stringify(x); +} +assertCallsToPrimitive(testJSON, "number", JSON.stringify(expected)); + +reportCompare(0, 0); |