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-rw-r--r--js/src/jit-test/tests/debug/Frame-this-06.js22
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-this-06.js b/js/src/jit-test/tests/debug/Frame-this-06.js
new file mode 100644
index 000000000..04dc3e5d1
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-this-06.js
@@ -0,0 +1,22 @@
+// Frame.this and evalInFrame with missing this, strict and non-strict.
+var g = newGlobal();
+var dbg = new Debugger(g);
+var evalThis, frameThis;
+dbg.onEnterFrame = function (frame) {
+ if (frame.type === "eval")
+ return;
+ assertEq(frame.type, "call");
+ evalThis = frame.eval("this");
+ frameThis = frame.this;
+};
+
+// Strict, this is primitive.
+g.eval("var foo = function() { 'use strict'; }; foo.call(33);");
+assertEq(evalThis.return, 33);
+assertEq(frameThis, 33);
+
+// Non-strict, this has to be boxed.
+g.eval("var bar = function() { }; bar.call(22);");
+assertEq(typeof evalThis.return, "object");
+assertEq(evalThis.return.unsafeDereference().valueOf(), 22);
+assertEq(frameThis.unsafeDereference().valueOf(), 22);