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-rw-r--r--js/src/jit-test/tests/debug/Script-clearBreakpoint-02.js26
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-clearBreakpoint-02.js b/js/src/jit-test/tests/debug/Script-clearBreakpoint-02.js
new file mode 100644
index 000000000..3fefb98c0
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-clearBreakpoint-02.js
@@ -0,0 +1,26 @@
+// A breakpoint cleared during dispatch does not fire.
+// (Breakpoint dispatch is well-behaved even when breakpoint handlers clear other breakpoints.)
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var log = '';
+dbg.onDebuggerStatement = function (frame) {
+ var s = frame.script;
+ function handler(i) {
+ if (i === 1)
+ return function () { log += i; s.clearBreakpoint(h[1]); s.clearBreakpoint(h[2]); };
+ return function () { log += i; };
+ }
+ var offs = s.getLineOffsets(g.line0 + 2);
+ var h = [];
+ for (var i = 0; i < 4; i++) {
+ h[i] = {hit: handler(i)};
+ for (var j = 0; j < offs.length; j++)
+ s.setBreakpoint(offs[j], h[i]);
+ }
+};
+
+g.eval("var line0 = Error().lineNumber;\n" +
+ "debugger;\n" + // line0 + 1
+ "result = 'ok';\n"); // line0 + 2
+assertEq(log, '013');