summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/ion/bug730977-implement-jsop-delprop.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/jit-test/tests/ion/bug730977-implement-jsop-delprop.js')
-rw-r--r--js/src/jit-test/tests/ion/bug730977-implement-jsop-delprop.js51
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug730977-implement-jsop-delprop.js b/js/src/jit-test/tests/ion/bug730977-implement-jsop-delprop.js
new file mode 100644
index 000000000..3939c7d38
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug730977-implement-jsop-delprop.js
@@ -0,0 +1,51 @@
+
+function makeThing(i)
+{
+ var thing = {};
+ thing.foo = i;
+ thing.bar = "bar_" + i;
+ Object.defineProperty(thing, 'baz', {'configurable':false, 'value':[i]});
+ return thing;
+}
+function makeArray(count)
+{
+ var arr = new Array(count);
+ for(var i = 0; i < count; i++) {
+ arr[i] = makeThing(i);
+ }
+ return arr;
+}
+function delBar(obj)
+{
+ assertEq(Object.getOwnPropertyDescriptor(obj, 'bar') === undefined, false);
+ assertEq(delete obj.bar, true);
+ assertEq(Object.getOwnPropertyDescriptor(obj, 'bar') === undefined, true);
+}
+function delBaz(obj)
+{
+ var s = delete obj.baz;
+ assertEq(Object.getOwnPropertyDescriptor(obj, 'baz') === undefined, false);
+ assertEq(delete obj.baz, false);
+ assertEq(Object.getOwnPropertyDescriptor(obj, 'baz') === undefined, false);
+}
+function delNonexistentThingy(obj)
+{
+ assertEq(Object.getOwnPropertyDescriptor(obj, 'thingy') === undefined, true);
+ assertEq(delete obj.thingy, true);
+ assertEq(Object.getOwnPropertyDescriptor(obj, 'thingy') === undefined, true);
+}
+function testDelProp()
+{
+ var arr = makeArray(10000);
+ for(var i = 0; i < 10000; i++) {
+ var obj = arr[i];
+ assertEq(Object.getOwnPropertyDescriptor(obj, 'foo') === undefined, false);
+ assertEq(delete obj.foo, true);
+ assertEq(Object.getOwnPropertyDescriptor(obj, 'foo') === undefined, true);
+ delBar(obj);
+ delBaz(obj);
+ delNonexistentThingy(obj);
+ }
+}
+
+testDelProp();