1 files changed, 66 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_pretty-print-05.js b/devtools/client/debugger/test/mochitest/browser_dbg_pretty-print-05.js
new file mode 100644
index 000000000..de1198103
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg_pretty-print-05.js
@@ -0,0 +1,66 @@
+/* -*- 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/ */
+
+/**
+ * Make sure that prettifying HTML sources doesn't do anything.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_included-script.html";
+const SCRIPT_URL = EXAMPLE_URL + "code_location-changes.js";
+
+function test() {
+  let options = {
+    source: SCRIPT_URL,
+    line: 1
+  };
+  initDebugger(TAB_URL, options).then(([aTab,, aPanel]) => {
+    const gTab = aTab;
+    const gPanel = aPanel;
+    const gDebugger = gPanel.panelWin;
+    const gEditor = gDebugger.DebuggerView.editor;
+    const gSources = gDebugger.DebuggerView.Sources;
+    const queries = gDebugger.require("./content/queries");
+    const constants = gDebugger.require("./content/constants");
+    const actions = bindActionCreators(gPanel);
+    const getState = gDebugger.DebuggerController.getState;
+
+    Task.spawn(function* () {
+      // Now, select the html page
+      const sourceShown = waitForSourceShown(gPanel, TAB_URL);
+      gSources.selectedValue = getSourceActor(gSources, TAB_URL);
+      yield sourceShown;
+
+      // From this point onward, the source editor's text should never change.
+      gEditor.once("change", () => {
+        ok(false, "The source editor text shouldn't have changed.");
+      });
+
+      is(getSelectedSourceURL(gSources), TAB_URL,
+        "The correct source is currently selected.");
+      ok(gEditor.getText().includes("myFunction"),
+        "The source shouldn't be pretty printed yet.");
+
+      const source = queries.getSelectedSource(getState());
+      try {
+        yield actions.togglePrettyPrint(source);
+        ok(false, "An error occurred while pretty-printing");
+      }
+      catch (err) {
+        is(err.message, "Can't prettify non-javascript files.",
+           "The promise was correctly rejected with a meaningful message.");
+      }
+
+      const { text } = yield queries.getSourceText(getState(), source.actor);
+      is(getSelectedSourceURL(gSources), TAB_URL,
+        "The correct source is still selected.");
+      ok(gEditor.getText().includes("myFunction"),
+        "The displayed source hasn't changed.");
+      ok(text.includes("myFunction"),
+        "The cached source text wasn't altered in any way.");
+
+      yield closeDebuggerAndFinish(gPanel);
+    });
+  });
+}