1 files changed, 109 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_breakpoint-20.js b/devtools/server/tests/xpcshell/test_breakpoint-20.js
new file mode 100644
index 0000000000..886d44164d
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_breakpoint-20.js
@@ -0,0 +1,109 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Verify that when two of the "same" source are loaded concurrently (like e10s
+ * frame scripts), breakpoints get hit in scripts defined by all sources.
+ */
+
+var gDebuggee;
+
+add_task(
+  threadFrontTest(async ({ threadFront, debuggee }) => {
+    gDebuggee = debuggee;
+    await testBreakpoint(threadFront);
+  })
+);
+
+const testBreakpoint = async function (threadFront) {
+  evalSetupCode();
+
+  // Load the test source once.
+
+  evalTestCode();
+  equal(
+    gDebuggee.functions.length,
+    1,
+    "The test code should have added a function."
+  );
+
+  // Set a breakpoint in the test source.
+
+  const source = await getSource(threadFront, "test.js");
+  setBreakpoint(threadFront, { sourceUrl: source.url, line: 3 });
+
+  // Load the test source again.
+
+  evalTestCode();
+  equal(
+    gDebuggee.functions.length,
+    2,
+    "The test code should have added another function."
+  );
+
+  // Should hit our breakpoint in a script defined by the first instance of the
+  // test source.
+
+  const bpPause1 = await executeOnNextTickAndWaitForPause(
+    gDebuggee.functions[0],
+    threadFront
+  );
+  equal(
+    bpPause1.why.type,
+    "breakpoint",
+    "Should pause because of hitting our breakpoint (not debugger statement)."
+  );
+  const dbgStmtPause1 = await executeOnNextTickAndWaitForPause(
+    () => resume(threadFront),
+    threadFront
+  );
+  equal(
+    dbgStmtPause1.why.type,
+    "debuggerStatement",
+    "And we should hit the debugger statement after the pause."
+  );
+  await resume(threadFront);
+
+  // Should also hit our breakpoint in a script defined by the second instance
+  // of the test source.
+
+  const bpPause2 = await executeOnNextTickAndWaitForPause(
+    gDebuggee.functions[1],
+    threadFront
+  );
+  equal(
+    bpPause2.why.type,
+    "breakpoint",
+    "Should pause because of hitting our breakpoint (not debugger statement)."
+  );
+  const dbgStmtPause2 = await executeOnNextTickAndWaitForPause(
+    () => resume(threadFront),
+    threadFront
+  );
+  equal(
+    dbgStmtPause2.why.type,
+    "debuggerStatement",
+    "And we should hit the debugger statement after the pause."
+  );
+};
+
+function evalSetupCode() {
+  Cu.evalInSandbox("this.functions = [];", gDebuggee, "1.8", "setup.js", 1);
+}
+
+function evalTestCode() {
+  Cu.evalInSandbox(
+    `                                 // 1
+    this.functions.push(function () { // 2
+      var setBreakpointHere = 1;      // 3
+      debugger;                       // 4
+    });                               // 5
+    `,
+    gDebuggee,
+    "1.8",
+    "test.js",
+    1
+  );
+}