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Diffstat (limited to 'js/src/jit-test/tests/collections/WeakSet-add-returns-this.js')
-rw-r--r-- | js/src/jit-test/tests/collections/WeakSet-add-returns-this.js | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/WeakSet-add-returns-this.js b/js/src/jit-test/tests/collections/WeakSet-add-returns-this.js new file mode 100644 index 0000000000..eb9c40e407 --- /dev/null +++ b/js/src/jit-test/tests/collections/WeakSet-add-returns-this.js @@ -0,0 +1,9 @@ +var ws = new WeakSet(); +var bar = {}; +assertEq(ws.add(bar), ws); +var foo = {}; +var a = ws.add(foo); +assertEq(a, ws); +assertEq(a.has(bar), true); +assertEq(a.has(foo), true); +assertEq(WeakSet.prototype.add.call(ws, {}), ws); |