1 files changed, 97 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-debugger-buttons.js b/devtools/client/debugger/test/mochitest/browser_dbg-debugger-buttons.js
new file mode 100644
index 0000000000..c466c4865d
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-debugger-buttons.js
@@ -0,0 +1,97 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+/**
+ * Test debugger buttons
+ *  1. resume
+ *  2. stepOver
+ *  3. stepIn
+ *  4. stepOver to the end of a function
+ *  5. stepUp at the end of a function
+ */
+
+"use strict";
+
+add_task(async function () {
+  const dbg = await initDebugger("doc-debugger-statements.html");
+
+  const onReloaded = reload(dbg, "doc-debugger-statements.html");
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "doc-debugger-statements.html").id,
+    11
+  );
+
+  info("resume");
+  await clickResume(dbg);
+  await waitForPaused(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "doc-debugger-statements.html").id,
+    16
+  );
+
+  info("step over");
+  await clickStepOver(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "doc-debugger-statements.html").id,
+    17
+  );
+
+  info("step into");
+  await clickStepIn(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "doc-debugger-statements.html").id,
+    22
+  );
+
+  info("step over");
+  await clickStepOver(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "doc-debugger-statements.html").id,
+    24
+  );
+
+  info("step out");
+  await clickStepOut(dbg);
+  assertPausedAtSourceAndLine(
+    dbg,
+    findSource(dbg, "doc-debugger-statements.html").id,
+    18
+  );
+
+  await resume(dbg);
+
+  info("Wait for reload to complete after resume");
+  await onReloaded;
+});
+
+function clickButton(dbg, button) {
+  const resumeFired = waitForDispatch(dbg.store, "COMMAND");
+  clickElement(dbg, button);
+  return resumeFired;
+}
+
+async function clickStepOver(dbg) {
+  await clickButton(dbg, "stepOver");
+  return waitForPaused(dbg);
+}
+
+async function clickStepIn(dbg) {
+  await clickButton(dbg, "stepIn");
+  return waitForPaused(dbg);
+}
+
+async function clickStepOut(dbg) {
+  await clickButton(dbg, "stepOut");
+  return waitForPaused(dbg);
+}
+
+async function clickResume(dbg) {
+  return clickButton(dbg, "resume");
+}