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Bug 816638 - Add nondeterministicGetWeakMapKeys to the JS shell. r=jcoppeard.

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--HG--
extra : rebase_source : a4ee020dee963c73e26c5924e20c1e2210ce7645
This commit is contained in:
Jason Orendorff 2012-11-30 16:46:24 -06:00
parent 5526d8578d
commit 98b1d3fcab
1 changed files with 33 additions and 0 deletions
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33
js/src/builtin/TestingFunctions.cpp
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@ -497,6 +497,35 @@ ValidateGC(JSContext *cx, unsigned argc, jsval *vp)
return JS_TRUE;
}
static JSBool
NondeterminsticGetWeakMapKeys(JSContext *cx, unsigned argc, jsval *vp)
{
CallArgs args = CallArgsFromVp(argc, vp);
if (argc != 1) {
RootedObject callee(cx, &args.callee());
ReportUsageError(cx, callee, "Wrong number of arguments");
return false;
}
if (!args[0].isObject()) {
JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_NOT_EXPECTED_TYPE,
"nondeterministicGetWeakMapKeys", "WeakMap",
InformalValueTypeName(args[0]));
return false;
}
JSObject *arr;
if (!JS_NondeterministicGetWeakMapKeys(cx, &args[0].toObject(), &arr))
return false;
if (!arr) {
JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_NOT_EXPECTED_TYPE,
"nondeterministicGetWeakMapKeys", "WeakMap",
args[0].toObject().getClass()->name);
return false;
}
args.rval().setObject(*arr);
return true;
}
struct JSCountHeapNode {
void *thing;
JSGCTraceKind kind;
@ -888,6 +917,10 @@ static JSFunctionSpecWithHelp TestingFunctions[] = {
"validategc(true|false)",
" If true, a separate validation step is performed after an incremental GC."),
JS_FN_HELP("nondeterministicGetWeakMapKeys", NondeterminsticGetWeakMapKeys, 1, 0,
"nondeterministicGetWeakMapKeys(weakmap)",
" Return an array of the keys in the given WeakMap."),
JS_FN_HELP("internalConst", InternalConst, 1, 0,
"internalConst(name)",
" Query an internal constant for the engine. See InternalConst source for\n"