Title: [262847] trunk/JSTests
- Revision
- 262847
- Author
- ca...@igalia.com
- Date
- 2020-06-10 12:08:32 -0700 (Wed, 10 Jun 2020)
Log Message
[JSC] add stress test for op_get_private_name
https://bugs.webkit.org/show_bug.cgi?id=213024
Reviewed by Mark Lam.
* stress/get-private-name.js: Added.
Modified Paths
Added Paths
Diff
Modified: trunk/JSTests/ChangeLog (262846 => 262847)
--- trunk/JSTests/ChangeLog 2020-06-10 19:04:56 UTC (rev 262846)
+++ trunk/JSTests/ChangeLog 2020-06-10 19:08:32 UTC (rev 262847)
@@ -1,3 +1,12 @@
+2020-06-10 Caitlin Potter <ca...@igalia.com>
+
+ [JSC] add stress test for op_get_private_name
+ https://bugs.webkit.org/show_bug.cgi?id=213024
+
+ Reviewed by Mark Lam.
+
+ * stress/get-private-name.js: Added.
+
2020-06-09 Mark Lam <mark....@apple.com>
Stringifier::appendStringifiedValue() should not assume it is always safe to recurse.
Added: trunk/JSTests/stress/get-private-name.js (0 => 262847)
--- trunk/JSTests/stress/get-private-name.js (rev 0)
+++ trunk/JSTests/stress/get-private-name.js 2020-06-10 19:08:32 UTC (rev 262847)
@@ -0,0 +1,29 @@
+// FIXME: //@ requireOptions("--usePrivateClassFields=1") --- Run this in all variants once https://bugs.webkit.org/show_bug.cgi?id=212781 is fixed
+//@ runNoJIT("--usePrivateClassFields=1")
+//@ runNoLLInt("--usePrivateClassFields=1")
+
+// GetPrivateName should throw when the receiver does not have the requested private property
+let i, threw = false;
+class C {
+ #x = i;
+ constructor() { if (i === 30) return { [Symbol.toStringTag]: "without #x"}; }
+ static x(obj) { return obj.#x; }
+ get [Symbol.toStringTag]() { return "with #x"; }
+}
+
+try {
+ for (i = 0; i < 50; ++i) {
+ let c = new C;
+ let result = C.x(c);
+ if (result !== i)
+ throw new Error(`Expected C.x(${c}) to be ${i}, but found ${result}`);
+ }
+} catch (e) {
+ threw = true;
+ if (i !== 30 || e.constructor !== TypeError) {
+ throw e;
+ }
+}
+
+if (!threw)
+ throw new Error("Expected TypeError, but no exception was thrown");
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