1 files changed, 77 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_breakpoint-11.js b/devtools/server/tests/xpcshell/test_breakpoint-11.js
new file mode 100644
index 0000000000..a29cd2f768
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_breakpoint-11.js
@@ -0,0 +1,77 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Make sure that setting a breakpoint in a line with bytecodes in multiple
+ * scripts, sets the breakpoint in all of them (bug 793214).
+ */
+
+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,
+      column: 8,
+    };
+
+    //Pause at debugger statement.
+    Assert.equal(packet.frame.where.line, debuggee.line0 + 1);
+    Assert.equal(packet.why.type, "debuggerStatement");
+
+    threadFront.setBreakpoint(location, {});
+    await resume(threadFront);
+
+    const packet2 = await waitForPause(threadFront);
+
+    // Check the return value.
+    Assert.equal(packet2.why.type, "breakpoint");
+    // Check that the breakpoint worked.
+    Assert.equal(debuggee.a, undefined);
+    // Check execution location
+    Assert.equal(packet2.frame.where.line, debuggee.line0 + 2);
+    Assert.equal(packet2.frame.where.column, 8);
+
+    // Remove the breakpoint.
+    threadFront.removeBreakpoint(location);
+
+    const location2 = {
+      sourceUrl: source.url,
+      line: debuggee.line0 + 2,
+      column: 32,
+    };
+    threadFront.setBreakpoint(location2, {});
+
+    await resume(threadFront);
+    const packet3 = await waitForPause(threadFront);
+
+    // Check the return value.
+    Assert.equal(packet3.why.type, "breakpoint");
+    // Check that the breakpoint worked.
+    Assert.equal(debuggee.a.b, 1);
+    Assert.equal(debuggee.res, undefined);
+    // Check execution location
+    Assert.equal(packet3.frame.where.line, debuggee.line0 + 2);
+    Assert.equal(packet3.frame.where.column, 32);
+
+    // Remove the breakpoint.
+    threadFront.removeBreakpoint(location2);
+
+    await resume(threadFront);
+  })
+);
+
+function evaluateTestCode(debuggee) {
+  // prettier-ignore
+  Cu.evalInSandbox("var line0 = Error().lineNumber;\n" +
+                   "debugger;\n" +                      // line0 + 1
+                   "var a = { b: 1, f: function() { return 2; } };\n" + // line0+2
+                   "var res = a.f();\n",               // line0 + 3
+                   debuggee);
+}