From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- testing/web-platform/tests/common/stringifiers.js | 52 +++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 testing/web-platform/tests/common/stringifiers.js (limited to 'testing/web-platform/tests/common/stringifiers.js') diff --git a/testing/web-platform/tests/common/stringifiers.js b/testing/web-platform/tests/common/stringifiers.js new file mode 100644 index 000000000..b59ca9c24 --- /dev/null +++ b/testing/web-platform/tests/common/stringifiers.js @@ -0,0 +1,52 @@ +// Tests . +function test_stringifier_attribute(aObject, aAttribute, aIsUnforgeable) { + // Step 1. + test(function() { + [null, undefined].forEach(function(v) { + assert_throws(new 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(new 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); + }); +} -- cgit v1.2.3