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-rw-r--r--js/src/jit-test/tests/debug/onExceptionUnwind-01.js24
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diff --git a/js/src/jit-test/tests/debug/onExceptionUnwind-01.js b/js/src/jit-test/tests/debug/onExceptionUnwind-01.js
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+++ b/js/src/jit-test/tests/debug/onExceptionUnwind-01.js
@@ -0,0 +1,24 @@
+// Basic onExceptionUnwind hook test.
+
+load(libdir + "asserts.js");
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var hit = false;
+dbg.onExceptionUnwind = function (frame, exc) {
+ // onExceptionUnwind is called multiple times as the stack is unwound.
+ // Only check the first hit.
+ assertEq(arguments.length, 2);
+ assertEq(frame instanceof Debugger.Frame, true);
+ if (!hit) {
+ assertEq(exc, 101);
+ assertEq(frame.type, "call");
+ assertEq(frame.callee.name, "f");
+ assertEq(frame.older.type, "eval");
+ hit = true;
+ }
+};
+
+g.eval("function f() { throw 101; }");
+assertThrowsValue(function () { g.eval("f();"); }, 101);
+assertEq(hit, true);