summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Symbol/for/create-value.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/built-ins/Symbol/for/create-value.js')
-rw-r--r--js/src/tests/test262/built-ins/Symbol/for/create-value.js26
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Symbol/for/create-value.js b/js/src/tests/test262/built-ins/Symbol/for/create-value.js
new file mode 100644
index 0000000000..68eabf199b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Symbol/for/create-value.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-symbol.for
+description: Creation of a unique Symbol value
+info: |
+ 1. Let stringKey be ? ToString(key).
+ 2. For each element e of the GlobalSymbolRegistry List,
+ a. If SameValue(e.[[Key]], stringKey) is true, return e.[[Symbol]].
+ 3. Assert: GlobalSymbolRegistry does not currently contain an entry for
+ stringKey.
+ 4. Let newSymbol be a new unique Symbol value whose [[Description]] value
+ is stringKey.
+ 5. Append the Record { [[Key]]: stringKey, [[Symbol]]: newSymbol } to the
+ GlobalSymbolRegistry List.
+ 6. Return newSymbol.
+features: [Symbol]
+---*/
+
+var canonical = Symbol.for('s');
+
+assert.sameValue(typeof canonical, 'symbol');
+assert.notSameValue(canonical, Symbol('s'));
+assert.notSameValue(canonical, Symbol.for('y'));
+
+reportCompare(0, 0);