TEST_F(DrawingBufferTest, verifyDrawingBufferStaysAliveIfResourcesAreLost)
{
bool live = true;
m_drawingBuffer->m_live = &live;
WebExternalTextureMailbox mailbox1;
WebExternalTextureMailbox mailbox2;
WebExternalTextureMailbox mailbox3;
m_drawingBuffer->markContentsChanged();
EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox1, 0));
m_drawingBuffer->markContentsChanged();
EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox2, 0));
m_drawingBuffer->markContentsChanged();
EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox3, 0));
m_drawingBuffer->markContentsChanged();
m_drawingBuffer->mailboxReleased(mailbox1, true);
EXPECT_EQ(live, true);
m_drawingBuffer->beginDestruction();
EXPECT_EQ(live, true);
m_drawingBuffer->markContentsChanged();
m_drawingBuffer->mailboxReleased(mailbox2, false);
EXPECT_EQ(live, true);
DrawingBufferForTests* weakPtr = m_drawingBuffer.get();
m_drawingBuffer.clear();
EXPECT_EQ(live, true);
weakPtr->markContentsChanged();
weakPtr->mailboxReleased(mailbox3, true);
EXPECT_EQ(live, false);
}
TEST_F(DrawingBufferTest, verifyDestructionCompleteAfterAllMailboxesReleased)
{
bool live = true;
m_drawingBuffer->m_live = &live;
WebExternalTextureMailbox mailbox1;
WebExternalTextureMailbox mailbox2;
WebExternalTextureMailbox mailbox3;
IntSize initialSize(initialWidth, initialHeight);
// Produce mailboxes.
m_drawingBuffer->markContentsChanged();
EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox1, 0));
m_drawingBuffer->markContentsChanged();
EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox2, 0));
m_drawingBuffer->markContentsChanged();
EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox3, 0));
m_drawingBuffer->markContentsChanged();
m_drawingBuffer->mailboxReleased(mailbox1, false);
m_drawingBuffer->beginDestruction();
EXPECT_EQ(live, true);
DrawingBufferForTests* weakPointer = m_drawingBuffer.get();
m_drawingBuffer.clear();
EXPECT_EQ(live, true);
weakPointer->markContentsChanged();
weakPointer->mailboxReleased(mailbox2, false);
EXPECT_EQ(live, true);
weakPointer->markContentsChanged();
weakPointer->mailboxReleased(mailbox3, false);
EXPECT_EQ(live, false);
}