1 files changed, 54 insertions, 0 deletions
diff --git a/devtools/client/debugger/new/test/mochitest/browser_dbg-debugger-buttons.js b/devtools/client/debugger/new/test/mochitest/browser_dbg-debugger-buttons.js
new file mode 100644
index 000000000..0094650bc
--- /dev/null
+++ b/devtools/client/debugger/new/test/mochitest/browser_dbg-debugger-buttons.js
@@ -0,0 +1,54 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function clickStepOver(dbg) {
+  clickElement(dbg, "stepOver");
+  return waitForPaused(dbg);
+}
+
+function clickStepIn(dbg) {
+  clickElement(dbg, "stepIn");
+  return waitForPaused(dbg);
+}
+
+function clickStepOut(dbg) {
+  clickElement(dbg, "stepOut");
+  return waitForPaused(dbg);
+}
+
+/**
+ * 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
+ */
+add_task(function* () {
+  const dbg = yield initDebugger("doc-debugger-statements.html");
+
+  yield reload(dbg);
+  yield waitForPaused(dbg);
+  assertPausedLocation(dbg, "debugger-statements.html", 8);
+
+  // resume
+  clickElement(dbg, "resume");
+  yield waitForPaused(dbg);
+  assertPausedLocation(dbg, "debugger-statements.html", 12);
+
+  // step over
+  yield clickStepOver(dbg);
+  assertPausedLocation(dbg, "debugger-statements.html", 13);
+
+  // step into
+  yield clickStepIn(dbg);
+  assertPausedLocation(dbg, "debugger-statements.html", 18);
+
+  // step over
+  yield clickStepOver(dbg);
+  assertPausedLocation(dbg, "debugger-statements.html", 20);
+
+  // step out
+  yield clickStepOut(dbg);
+  assertPausedLocation(dbg, "debugger-statements.html", 20);
+});