1 files changed, 82 insertions, 0 deletions
diff --git a/devtools/server/tests/unit/test_breakpoint-18.js b/devtools/server/tests/unit/test_breakpoint-18.js
new file mode 100644
index 000000000..d153d3eff
--- /dev/null
+++ b/devtools/server/tests/unit/test_breakpoint-18.js
@@ -0,0 +1,82 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Check that we only break on offsets that are entry points for the line we are
+ * breaking on. Bug 907278.
+ */
+
+var gDebuggee;
+var gClient;
+var gThreadClient;
+var gCallback;
+
+function run_test()
+{
+  run_test_with_server(DebuggerServer, function () {
+    run_test_with_server(WorkerDebuggerServer, do_test_finished);
+  });
+  do_test_pending();
+}
+
+function run_test_with_server(aServer, aCallback)
+{
+  gCallback = aCallback;
+  initTestDebuggerServer(aServer);
+  gDebuggee = addTestGlobal("test-breakpoints", aServer);
+  gDebuggee.console = { log: x => void x };
+  gClient = new DebuggerClient(aServer.connectPipe());
+  gClient.connect().then(function () {
+    attachTestTabAndResume(gClient,
+                           "test-breakpoints",
+                           function (aResponse, aTabClient, aThreadClient) {
+                             gThreadClient = aThreadClient;
+                             setUpCode();
+                           });
+  });
+}
+
+function setUpCode() {
+  gClient.addOneTimeListener("paused", setBreakpoint);
+  Cu.evalInSandbox(
+    "debugger;\n" +
+    function test() {
+      console.log("foo bar");
+      debugger;
+    },
+    gDebuggee,
+    "1.8",
+    "http://example.com/",
+    1
+  );
+}
+
+function setBreakpoint(aEvent, aPacket) {
+  let source = gThreadClient.source(aPacket.frame.where.source);
+  gClient.addOneTimeListener("resumed", runCode);
+
+  source.setBreakpoint({ line: 2 }, ({ error }) => {
+    do_check_true(!error);
+    gThreadClient.resume();
+  });
+}
+
+function runCode() {
+  gClient.addOneTimeListener("paused", testBPHit);
+  gDebuggee.test();
+}
+
+function testBPHit(event, { why }) {
+  do_check_eq(why.type, "breakpoint");
+  gClient.addOneTimeListener("paused", testDbgStatement);
+  gThreadClient.resume();
+}
+
+function testDbgStatement(event, { why }) {
+  // Should continue to the debugger statement.
+  do_check_eq(why.type, "debuggerStatement");
+  // Not break on another offset from the same line (that isn't an entry point
+  // to the line)
+  do_check_neq(why.type, "breakpoint");
+  gClient.close().then(gCallback);
+}