1 files changed, 62 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_reload-preferred-script-03.js b/devtools/client/debugger/test/mochitest/browser_dbg_reload-preferred-script-03.js
new file mode 100644
index 000000000..d286a5072
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg_reload-preferred-script-03.js
@@ -0,0 +1,62 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if the preferred source is shown when a page is loaded and
+ * the preferred source is specified after another source was definitely shown.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_script-switching-01.html";
+const FIRST_URL = EXAMPLE_URL + "code_script-switching-01.js";
+const SECOND_URL = EXAMPLE_URL + "code_script-switching-02.js";
+
+var gTab, gPanel, gDebugger;
+var gSources;
+
+function test() {
+  let options = {
+    source: FIRST_URL,
+    line: 1
+  };
+  initDebugger(TAB_URL, options).then(([aTab,, aPanel]) => {
+    gTab = aTab;
+    gPanel = aPanel;
+    gDebugger = gPanel.panelWin;
+    gSources = gDebugger.DebuggerView.Sources;
+
+    testSource(undefined, FIRST_URL);
+    switchToSource(SECOND_URL)
+      .then(() => testSource(SECOND_URL))
+      .then(() => switchToSource(FIRST_URL))
+      .then(() => testSource(FIRST_URL))
+      .then(() => closeDebuggerAndFinish(gPanel))
+      .then(null, aError => {
+        ok(false, "Got an error: " + aError.message + "\n" + aError.stack);
+      });
+  });
+}
+
+function testSource(aPreferredUrl, aSelectedUrl = aPreferredUrl) {
+  info("Currently preferred source: " + gSources.preferredValue);
+  info("Currently selected source: " + gSources.selectedValue);
+
+  is(getSourceURL(gSources, gSources.preferredValue), aPreferredUrl,
+    "The preferred source url wasn't set correctly.");
+  is(getSourceURL(gSources, gSources.selectedValue), aSelectedUrl,
+    "The selected source isn't the correct one.");
+}
+
+function switchToSource(aUrl) {
+  let finished = waitForSourceShown(gPanel, aUrl);
+  gSources.preferredSource = getSourceActor(gSources, aUrl);
+  return finished;
+}
+
+registerCleanupFunction(function () {
+  gTab = null;
+  gPanel = null;
+  gDebugger = null;
+  gSources = null;
+});