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authorRick Waldron <waldron.rick@gmail.com>2017-01-20 14:55:36 -0500
committerTom Care <tcare@microsoft.com>2017-01-20 11:55:36 -0800
commitf280db452e6e5a2fc9ba9056ae57765362d46a7a (patch)
tree422d74e123a3d8ec58cb363b54ff6ed7af1c7ab2
parentced9bfd7be4f87bb317b39f9f9b623c273a84c2a (diff)
downloadqtdeclarative-testsuites-f280db452e6e5a2fc9ba9056ae57765362d46a7a.tar.gz
Test Symbol.toStringTag overrides on primitive wrapper prototypes. Closes gh-809 (#837)
Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
-rw-r--r--test/built-ins/Object/prototype/toString/symbol-tag-override-instances.js (renamed from test/built-ins/Object/prototype/toString/symbol-tag-override.js)0
-rw-r--r--test/built-ins/Object/prototype/toString/symbol-tag-override-primitives.js42
2 files changed, 42 insertions, 0 deletions
diff --git a/test/built-ins/Object/prototype/toString/symbol-tag-override.js b/test/built-ins/Object/prototype/toString/symbol-tag-override-instances.js
index 2a30e22ac..2a30e22ac 100644
--- a/test/built-ins/Object/prototype/toString/symbol-tag-override.js
+++ b/test/built-ins/Object/prototype/toString/symbol-tag-override-instances.js
diff --git a/test/built-ins/Object/prototype/toString/symbol-tag-override-primitives.js b/test/built-ins/Object/prototype/toString/symbol-tag-override-primitives.js
new file mode 100644
index 000000000..503691bc8
--- /dev/null
+++ b/test/built-ins/Object/prototype/toString/symbol-tag-override-primitives.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+ String values of `Symbol.toStringTag` property override built-in tags
+es6id: 19.1.3.6
+info: >
+ 1. If the this value is undefined, return "[object Undefined]".
+ 2. If the this value is null, return "[object Null]".
+
+ 14. Else, let builtinTag be "Object".
+ 15. Let tag be ? Get(O, @@toStringTag).
+ 16. If Type(tag) is not String, let tag be builtinTag.
+ 17. Return the String that is the result of concatenating "[object ", tag, and "]".
+
+ 4.3.2 primitive value
+
+ member of one of the types Undefined, Null, Boolean, Number, Symbol, or String as defined in clause 6
+
+features: [Symbol.toStringTag]
+---*/
+
+
+Boolean.prototype[Symbol.toStringTag] = 'test262';
+assert.sameValue(Object.prototype.toString.call(Boolean.prototype), '[object test262]');
+assert.sameValue(Object.prototype.toString.call(true), '[object test262]');
+
+Number.prototype[Symbol.toStringTag] = 'test262';
+assert.sameValue(Object.prototype.toString.call(Number.prototype), '[object test262]');
+assert.sameValue(Object.prototype.toString.call(0), '[object test262]');
+
+String.prototype[Symbol.toStringTag] = 'test262';
+assert.sameValue(Object.prototype.toString.call(String.prototype), '[object test262]');
+assert.sameValue(Object.prototype.toString.call(''), '[object test262]');
+
+
+Object.defineProperty(Symbol.prototype, Symbol.toStringTag, {
+ value: 'test262'
+});
+
+assert.sameValue(Object.prototype.toString.call(Symbol.prototype), '[object test262]');