1 files changed, 144 insertions, 0 deletions
diff --git a/remote/cdp/test/browser/page/browser_frameAttached.js b/remote/cdp/test/browser/page/browser_frameAttached.js
new file mode 100644
index 0000000000..bda66b2814
--- /dev/null
+++ b/remote/cdp/test/browser/page/browser_frameAttached.js
@@ -0,0 +1,144 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function noEventWhenPageDomainDisabled({ client }) {
+  await runFrameAttachedTest(client, 0, async () => {
+    info("Navigate to a page with nested iframes");
+    await loadURL(FRAMESET_NESTED_URL);
+  });
+});
+
+add_task(async function noEventAfterPageDomainDisabled({ client }) {
+  const { Page } = client;
+
+  await Page.enable();
+  await Page.disable();
+
+  await runFrameAttachedTest(client, 0, async () => {
+    info("Navigate to a page with nested iframes");
+    await loadURL(FRAMESET_NESTED_URL);
+  });
+});
+
+add_task(async function noEventWhenNavigatingWithNoFrames({ client }) {
+  const { Page } = client;
+
+  info("Navigate to a page with iframes");
+  await loadURL(FRAMESET_NESTED_URL);
+
+  await Page.enable();
+
+  await runFrameAttachedTest(client, 0, async () => {
+    info("Navigate to a page with no iframes");
+    await loadURL(PAGE_URL);
+  });
+});
+
+add_task(async function eventWhenNavigatingWithFrames({ client }) {
+  const { Page } = client;
+
+  await Page.enable();
+
+  await runFrameAttachedTest(client, 2, async () => {
+    info("Navigate to a page with iframes");
+    await loadURL(FRAMESET_MULTI_URL);
+  });
+});
+
+add_task(async function eventWhenNavigatingWithNestedFrames({ client }) {
+  const { Page } = client;
+
+  await Page.enable();
+
+  await runFrameAttachedTest(client, 3, async () => {
+    info("Navigate to a page with nested iframes");
+    await loadURL(FRAMESET_NESTED_URL);
+  });
+});
+
+add_task(async function eventWhenAttachingFrame({ client }) {
+  const { Page } = client;
+
+  await loadURL(FRAMESET_NESTED_URL);
+
+  await Page.enable();
+
+  await runFrameAttachedTest(client, 1, async () => {
+    await SpecialPowers.spawn(
+      gBrowser.selectedBrowser,
+      [PAGE_FRAME_URL],
+      async frameURL => {
+        const frame = content.document.createElement("iframe");
+        frame.src = frameURL;
+        const loaded = new Promise(resolve => (frame.onload = resolve));
+        content.document.body.appendChild(frame);
+        await loaded;
+      }
+    );
+  });
+});
+
+async function runFrameAttachedTest(client, expectedEventCount, callback) {
+  const { Page } = client;
+
+  const ATTACHED = "Page.frameAttached";
+
+  const history = new RecordEvents(expectedEventCount);
+  history.addRecorder({
+    event: Page.frameAttached,
+    eventName: ATTACHED,
+    messageFn: payload => {
+      return `Received ${ATTACHED} for frame id ${payload.frameId}`;
+    },
+  });
+
+  const framesBefore = await getFlattenedFrameTree(client);
+  await callback();
+  const framesAfter = await getFlattenedFrameTree(client);
+
+  const frameAttachedEvents = await history.record();
+
+  if (expectedEventCount == 0) {
+    is(frameAttachedEvents.length, 0, "Got no frame attached event");
+    return;
+  }
+
+  // check how many frames were attached or detached
+  const count = Math.abs(framesBefore.size - framesAfter.size);
+
+  is(count, expectedEventCount, "Expected amount of frames attached");
+  is(
+    frameAttachedEvents.length,
+    count,
+    "Received the expected amount of frameAttached events"
+  );
+
+  // extract the new or removed frames
+  const framesAll = new Map([...framesBefore, ...framesAfter]);
+  const expectedFrames = new Map(
+    [...framesAll].filter(([key, _value]) => {
+      return !framesBefore.has(key) && framesAfter.has(key);
+    })
+  );
+
+  frameAttachedEvents.forEach(({ payload }) => {
+    const { frameId, parentFrameId } = payload;
+
+    info(`Check frame id ${frameId}`);
+    const expectedFrame = expectedFrames.get(frameId);
+
+    ok(expectedFrame, `Found expected frame with id ${frameId}`);
+    is(
+      frameId,
+      expectedFrame.id,
+      "Got expected frame id for frameAttached event"
+    );
+    is(
+      parentFrameId,
+      expectedFrame.parentId,
+      "Got expected parent frame id for frameAttached event"
+    );
+  });
+}