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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/jit-test/tests/basic/object-spread.js | |
parent | Initial commit. (diff) | |
download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/basic/object-spread.js')
-rw-r--r-- | js/src/jit-test/tests/basic/object-spread.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/object-spread.js b/js/src/jit-test/tests/basic/object-spread.js new file mode 100644 index 0000000000..c963dc1d43 --- /dev/null +++ b/js/src/jit-test/tests/basic/object-spread.js @@ -0,0 +1,49 @@ +function test() { + var from, to; + + // From values. + from = {x: 1, y: 2}; + to = {...from}; + assertEq(to.y, 2); + to = {...from, ...from}; + assertEq(to.y, 2); + + // From getter. + var c = 7; + from = {x: 1, get y() { return ++c; }}; + to = {...from}; + assertEq(to.y, 8); + to = {...from, ...from}; + assertEq(to.y, 10); + + // Array with dense elements. + from = [1, 2, 3]; + to = {...from}; + assertEq(to[2], 3); + assertEq("length" in to, false); + + // Object with sparse elements and symbols. + from = {x: 1, 1234567: 2, 1234560: 3, [Symbol.iterator]: 5, z: 3}; + to = {...from}; + assertEq(to[1234567], 2); + assertEq(Object.keys(to).toString(), "1234560,1234567,x,z"); + assertEq(to[Symbol.iterator], 5); + + // Typed array. + from = new Int32Array([1, 2, 3]); + to = {...from}; + assertEq(to[1], 2); + + // Primitive string. + from = "foo"; + to = {...from}; + assertEq(to[0], "f"); + + // String object. + from = new String("bar"); + to = {...from}; + assertEq(to[2], "r"); +} +test(); +test(); +test(); |