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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/proxy/testDirectProxySetArray1.js')
-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxySetArray1.js25
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxySetArray1.js b/js/src/jit-test/tests/proxy/testDirectProxySetArray1.js
new file mode 100644
index 000000000..27d8489c4
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxySetArray1.js
@@ -0,0 +1,25 @@
+// Assigning to a missing array element (a hole) via a proxy with no set handler
+// calls the defineProperty handler.
+
+function test(id) {
+ var arr = [, 1, 2, 3];
+ var p = new Proxy(arr, {
+ defineProperty(t, id, desc) {
+ hits++;
+ assertEq(desc.value, "ponies");
+ assertEq(desc.enumerable, true);
+ assertEq(desc.configurable, true);
+ assertEq(desc.writable, true);
+ return true;
+ }
+ });
+ var hits = 0;
+ p[id] = "ponies";
+ assertEq(hits, 1);
+ assertEq(id in arr, false);
+ assertEq(arr.length, 4);
+}
+
+test(0);
+test(4);
+test("str");