1 files changed, 31 insertions, 0 deletions
diff --git a/devtools/client/debugger/new/test/mochitest/browser_dbg-pretty-print.js b/devtools/client/debugger/new/test/mochitest/browser_dbg-pretty-print.js
new file mode 100644
index 000000000..260bfef38
--- /dev/null
+++ b/devtools/client/debugger/new/test/mochitest/browser_dbg-pretty-print.js
@@ -0,0 +1,31 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests basic pretty-printing functionality.
+
+add_task(function* () {
+  const dbg = yield initDebugger("doc-minified.html");
+
+  yield selectSource(dbg, "math.min.js");
+  clickElement(dbg, "prettyPrintButton");
+  yield waitForDispatch(dbg, "TOGGLE_PRETTY_PRINT");
+
+  const ppSrc = findSource(dbg, "math.min.js:formatted");
+  ok(ppSrc, "Pretty-printed source exists");
+
+  yield addBreakpoint(dbg, ppSrc, 18);
+
+  invokeInTab("arithmetic");
+  yield waitForPaused(dbg);
+  assertPausedLocation(dbg, ppSrc, 18);
+  yield stepOver(dbg);
+  assertPausedLocation(dbg, ppSrc, 27);
+  yield resume(dbg);
+
+  // The pretty-print button should go away in the pretty-printed
+  // source.
+  ok(!findElement(dbg, "sourceFooter"), "Footer is hidden");
+
+  yield selectSource(dbg, "math.min.js");
+  ok(findElement(dbg, "sourceFooter"), "Footer is hidden");
+});