1 files changed, 103 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_break-on-next.js b/devtools/client/debugger/test/mochitest/browser_dbg_break-on-next.js
new file mode 100644
index 000000000..53f03c183
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg_break-on-next.js
@@ -0,0 +1,103 @@
+/* -*- 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/ */
+
+/**
+ * Test if 'break on next' functionality works from executions
+ * in content that are triggered by the page.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_script-eval.html";
+
+function test() {
+  let gTab, gPanel, gDebugger;
+  let gSources, gBreakpoints, gTarget, gResumeButton, gResumeKey, gThreadClient;
+
+  const options = {
+    source: EXAMPLE_URL + "code_script-eval.js",
+    line: 1
+  };
+  initDebugger(TAB_URL, options).then(([aTab,, aPanel]) => {
+    gTab = aTab;
+    gPanel = aPanel;
+    gDebugger = gPanel.panelWin;
+    gSources = gDebugger.DebuggerView.Sources;
+    gTarget = gDebugger.gTarget;
+    gThreadClient = gDebugger.gThreadClient;
+    gResumeButton = gDebugger.document.getElementById("resume");
+    gResumeKey = gDebugger.document.getElementById("resumeKey");
+
+    testInterval()
+      .then(testEvent)
+      .then(() => closeDebuggerAndFinish(gPanel));
+  });
+
+  // Testing an interval instead of a timeout / rAF because
+  // it's less likely to fail due to timing issues.  If the
+  // first callback happens to fire before the break request
+  // happens then we'll just get it next time.
+  let testInterval = Task.async(function* () {
+    info("Starting testInterval");
+
+    yield evalInTab(gTab, `
+      var interval = setInterval(function() {
+        return 1+1;
+      }, 100);
+    `);
+
+    let oncePaused = gTarget.once("thread-paused");
+    EventUtils.sendMouseEvent({ type: "mousedown" }, gResumeButton, gDebugger);
+    yield oncePaused;
+
+    yield waitForDebuggerEvents(gPanel, gDebugger.EVENTS.SOURCE_SHOWN);
+    let variables = gDebugger.DebuggerView.Variables;
+
+    is(variables._store.length, 3, "Correct number of scopes available");
+    is(variables.getScopeAtIndex(0).name, "Function scope [interval<]",
+        "Paused with correct scope (0)");
+    is(variables.getScopeAtIndex(1).name, "Block scope",
+        "Paused with correct scope (1)");
+    is(variables.getScopeAtIndex(2).name, "Global scope [Window]",
+        "Paused with correct scope (2)");
+
+    yield evalInTab(gTab, "clearInterval(interval)");
+    let onceResumed = gTarget.once("thread-resumed");
+    EventUtils.sendMouseEvent({ type: "mousedown" }, gResumeButton, gDebugger);
+    yield onceResumed;
+  });
+
+  let testEvent = Task.async(function* () {
+    info("Starting testEvent");
+
+    let oncePaused = gTarget.once("thread-paused");
+    EventUtils.sendMouseEvent({ type: "mousedown" }, gResumeButton, gDebugger);
+    once(gDebugger.gClient, "willInterrupt").then(() => {
+      generateMouseClickInTab(gTab, "content.document.querySelector('button')");
+    });
+    yield oncePaused;
+
+    yield waitForDebuggerEvents(gPanel, gDebugger.EVENTS.SOURCE_SHOWN);
+    let variables = gDebugger.DebuggerView.Variables;
+
+    is(variables._store.length, 6, "Correct number of scopes available");
+    is(variables.getScopeAtIndex(0).name, "Function scope [onclick]",
+        "Paused with correct scope (0)");
+    // Non-syntactic lexical scope introduced by non-syntactic scope chain.
+    is(variables.getScopeAtIndex(1).name, "Block scope",
+        "Paused with correct scope (1)");
+    is(variables.getScopeAtIndex(2).name, "With scope [HTMLButtonElement]",
+        "Paused with correct scope (2)");
+    is(variables.getScopeAtIndex(3).name, "With scope [HTMLDocument]",
+        "Paused with correct scope (3)");
+    // Global lexical scope.
+    is(variables.getScopeAtIndex(4).name, "Block scope",
+        "Paused with correct scope (4)");
+    is(variables.getScopeAtIndex(5).name, "Global scope [Window]",
+        "Paused with correct scope (5)");
+
+    let onceResumed = gTarget.once("thread-resumed");
+    EventUtils.sendMouseEvent({ type: "mousedown" }, gResumeButton, gDebugger);
+    yield onceResumed;
+  });
+}