JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / tests / stress / escape-object-in-diamond-then-exit.js

diff --git a/tests/stress/escape-object-in-diamond-then-exit.js b/tests/stress/escape-object-in-diamond-then-exit.js
new file mode 100644 (file)
index 0000000..fbb903d
--- /dev/null
+++ b/tests/stress/escape-object-in-diamond-then-exit.js
@@ -0,0 +1,40 @@
+var global = null;
+
+function foo(p, q) {
+    var o = {f:42};
+    if (p)
+        global = o;
+    var tmp = q + 1;
+    return o.f + tmp;
+}
+
+noInline(foo);
+
+var lastObject = null;
+
+function validateEscape(when) {
+    if (global === lastObject)
+        throw "Error: bad value in global " + when + ", identical to lastObject.";
+    if (global === null || !(typeof global == "object"))
+        throw "Error: bad value in global " + when + ": it's not an object.";
+    if (global.f != 42)
+        throw "Error: bad value in global " + when + ": f isn't 42, it's: " + global.f;
+    lastObject = global;
+    global = null;
+}
+
+for (var i = 0; i < 10000; ++i) {
+    var escape = !!(i & 1);
+    var result = foo(escape, 42);
+    if (result != 42 + 42 + 1)
+        throw "Error: bad result: " + result;
+    if (escape)
+        validateEscape("in loop");
+    else if (global !== null)
+        throw "Error: bad value in global: " + global;
+}
+
+var result = foo(true, 2147483647);
+if (result != 42 + 2147483647 + 1)
+    throw "Error: bad result at end: " + result;
+validateEscape("at end");