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Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/common/stringifiers.js | 57 | ||||
-rw-r--r-- | testing/web-platform/tests/common/stringifiers.js.headers | 1 |
2 files changed, 58 insertions, 0 deletions
diff --git a/testing/web-platform/tests/common/stringifiers.js b/testing/web-platform/tests/common/stringifiers.js new file mode 100644 index 0000000000..8dadac1d49 --- /dev/null +++ b/testing/web-platform/tests/common/stringifiers.js @@ -0,0 +1,57 @@ +/** + * Runs tests for <https://webidl.spec.whatwg.org/#es-stringifier>. + * @param {Object} aObject - object to test + * @param {string} aAttribute - IDL attribute name that is annotated with `stringifier` + * @param {boolean} aIsUnforgeable - whether the IDL attribute is `[LegacyUnforgeable]` + */ +function test_stringifier_attribute(aObject, aAttribute, aIsUnforgeable) { + // Step 1. + test(function() { + [null, undefined].forEach(function(v) { + assert_throws_js(TypeError, function() { + aObject.toString.call(v); + }); + }); + }); + + // TODO Step 2: security check. + + // Step 3. + test(function() { + assert_false("Window" in window && aObject instanceof window.Window); + [{}, window].forEach(function(v) { + assert_throws_js(TypeError, function() { + aObject.toString.call(v) + }); + }); + }); + + // Step 4-6. + var expected_value; + test(function() { + expected_value = aObject[aAttribute]; + assert_equals(aObject[aAttribute], expected_value, + "The attribute " + aAttribute + " should be pure."); + }); + + var test_error = { name: "test" }; + test(function() { + if (!aIsUnforgeable) { + Object.defineProperty(aObject, aAttribute, { + configurable: true, + get: function() { throw test_error; } + }); + } + assert_equals(aObject.toString(), expected_value); + }); + + test(function() { + if (!aIsUnforgeable) { + Object.defineProperty(aObject, aAttribute, { + configurable: true, + value: { toString: function() { throw test_error; } } + }); + } + assert_equals(aObject.toString(), expected_value); + }); +} diff --git a/testing/web-platform/tests/common/stringifiers.js.headers b/testing/web-platform/tests/common/stringifiers.js.headers new file mode 100644 index 0000000000..6805c323df --- /dev/null +++ b/testing/web-platform/tests/common/stringifiers.js.headers @@ -0,0 +1 @@ +Content-Type: text/javascript; charset=utf-8 |