1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/breakpoint-multi-01.js b/js/src/jit-test/tests/debug/breakpoint-multi-01.js
new file mode 100644
index 000000000..d0afdd5c7
--- /dev/null
+++ b/js/src/jit-test/tests/debug/breakpoint-multi-01.js
@@ -0,0 +1,28 @@
+// A single Debugger object can set multiple breakpoints at an instruction.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var log = '';
+dbg.onDebuggerStatement = function (frame) {
+    log += 'D';
+    function handler(i) {
+        return {hit: function (frame) { log += '' + i; }};
+    }
+    var f = frame.eval("f").return;
+    var s = f.script;
+    var offs = s.getLineOffsets(g.line0 + 2);
+    for (var i = 0; i < 10; i++) {
+        var bp = handler(i);
+        for (var j = 0; j < offs.length; j++)
+            s.setBreakpoint(offs[j], bp);
+    }
+    assertEq(f.call().return, 42);
+    log += 'X';
+};
+
+g.eval("var line0 = Error().lineNumber;\n" +
+       "function f() {\n" +  // line0 + 1
+       "    return 42;\n" +  // line0 + 2
+       "}\n" +
+       "debugger;\n");
+assertEq(log, 'D0123456789X');