1 files changed, 72 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_breakpoint-09.js b/devtools/server/tests/xpcshell/test_breakpoint-09.js
new file mode 100644
index 0000000000..90b334102d
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_breakpoint-09.js
@@ -0,0 +1,72 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable no-shadow, max-nested-callbacks */
+
+"use strict";
+
+/**
+ * Check that removing a breakpoint works.
+ */
+
+let done = false;
+
+add_task(
+  threadFrontTest(async ({ threadFront, client, debuggee }) => {
+    const packet = await executeOnNextTickAndWaitForPause(
+      () => evaluateTestCode(debuggee),
+      threadFront
+    );
+
+    const source = await getSourceById(threadFront, packet.frame.where.actor);
+    const location = { sourceUrl: source.url, line: debuggee.line0 + 2 };
+
+    //Pause at debugger statement.
+    Assert.equal(packet.frame.where.line, debuggee.line0 + 7);
+    Assert.equal(packet.why.type, "debuggerStatement");
+
+    threadFront.setBreakpoint(location, {});
+    await client.waitForRequestsToSettle();
+
+    await resume(threadFront);
+
+    const packet2 = await waitForPause(threadFront);
+
+    // Check the return value.
+    Assert.equal(packet2.frame.where.actor, source.actorID);
+    Assert.equal(packet2.frame.where.line, location.line);
+    Assert.equal(packet2.why.type, "breakpoint");
+    // Check that the breakpoint worked.
+    Assert.equal(debuggee.a, undefined);
+
+    // Remove the breakpoint.
+    threadFront.removeBreakpoint(location);
+    await client.waitForRequestsToSettle();
+
+    done = true;
+    threadFront.once("paused", function (packet) {
+      // The breakpoint should not be hit again.
+      threadFront.resume().then(function () {
+        Assert.ok(false);
+      });
+    });
+
+    await resume(threadFront);
+  })
+);
+
+function evaluateTestCode(debuggee) {
+  // prettier-ignore
+  Cu.evalInSandbox("var line0 = Error().lineNumber;\n" +
+                    "function foo(stop) {\n" + // line0 + 1
+                    "  this.a = 1;\n" +        // line0 + 2
+                    "  if (stop) return;\n" +  // line0 + 3
+                    "  delete this.a;\n" +     // line0 + 4
+                    "  foo(true);\n" +         // line0 + 5
+                    "}\n" +                    // line0 + 6
+                    "debugger;\n" +            // line0 + 7
+                    "foo();\n",                // line0 + 8
+                    debuggee);
+  if (!done) {
+    Assert.ok(false);
+  }
+}