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-rw-r--r--js/src/jit-test/tests/debug/breakpoint-multi-03.js27
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/breakpoint-multi-03.js b/js/src/jit-test/tests/debug/breakpoint-multi-03.js
new file mode 100644
index 000000000..3a87be938
--- /dev/null
+++ b/js/src/jit-test/tests/debug/breakpoint-multi-03.js
@@ -0,0 +1,27 @@
+// Multiple Debugger objects can set breakpoints at the same instruction.
+
+var g = newGlobal();
+function attach(g, i) {
+ var dbg = Debugger(g);
+ dbg.onDebuggerStatement = function (frame) {
+ var s = frame.eval("f").return.script;
+ var offs = s.getLineOffsets(g.line0 + 3);
+ for (var j = 0; j < offs.length; j++)
+ s.setBreakpoint(offs[j], {hit: function () { g.log += "" + i; }});
+ };
+}
+
+g.eval("var line0 = Error().lineNumber;\n" +
+ "function f() {\n" + // line0 + 1
+ " log += 'a';\n" + // line0 + 2
+ " log += 'b';\n" + // line0 + 3
+ "}\n");
+
+for (var i = 0; i < 3; i++)
+ attach(g, i);
+
+g.log = '';
+g.eval('debugger;');
+g.log += 'x';
+g.f();
+assertEq(g.log, 'xa012b');