diff options
Diffstat (limited to 'content/browser/frame_host/frame_tree_unittest.cc')
| -rw-r--r-- | content/browser/frame_host/frame_tree_unittest.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/content/browser/frame_host/frame_tree_unittest.cc b/content/browser/frame_host/frame_tree_unittest.cc index e4e8bed..96f6b4d 100644 --- a/content/browser/frame_host/frame_tree_unittest.cc +++ b/content/browser/frame_host/frame_tree_unittest.cc @@ -257,6 +257,30 @@ TEST_F(FrameTreeTest, FindFrames) { EXPECT_EQ(nullptr, frame_tree->FindByName("no such frame")); } +// Check that PreviousSibling() is retrieved correctly. +TEST_F(FrameTreeTest, PreviousSibling) { + // Add a few child frames to the main frame. + FrameTree* frame_tree = contents()->GetFrameTree(); + FrameTreeNode* root = frame_tree->root(); + main_test_rfh()->OnCreateChildFrame(22, "child0", SandboxFlags::NONE); + main_test_rfh()->OnCreateChildFrame(23, "child1", SandboxFlags::NONE); + main_test_rfh()->OnCreateChildFrame(24, "child2", SandboxFlags::NONE); + FrameTreeNode* child0 = root->child_at(0); + FrameTreeNode* child1 = root->child_at(1); + FrameTreeNode* child2 = root->child_at(2); + + // Add one grandchild frame. + child1->current_frame_host()->OnCreateChildFrame(33, "grandchild", + SandboxFlags::NONE); + FrameTreeNode* grandchild = child1->child_at(0); + + EXPECT_EQ(nullptr, root->PreviousSibling()); + EXPECT_EQ(nullptr, child0->PreviousSibling()); + EXPECT_EQ(child0, child1->PreviousSibling()); + EXPECT_EQ(child1, child2->PreviousSibling()); + EXPECT_EQ(nullptr, grandchild->PreviousSibling()); +} + // Do some simple manipulations of the frame tree, making sure that // WebContentsObservers see a consistent view of the tree as we go. TEST_F(FrameTreeTest, ObserverWalksTreeDuringFrameCreation) { |