diff --git a/sdk/objc/Framework/UnitTests/RTCMTLVideoView_xctest.mm b/sdk/objc/Framework/UnitTests/RTCMTLVideoView_xctest.mm index 602c699dba..782bc64b1a 100644 --- a/sdk/objc/Framework/UnitTests/RTCMTLVideoView_xctest.mm +++ b/sdk/objc/Framework/UnitTests/RTCMTLVideoView_xctest.mm @@ -89,6 +89,7 @@ } #pragma mark - Test cases + - (void)testInitAssertsIfMetalUnavailabe { // given OCMStub([self.classMock isMetalAvailable]).andReturn(NO); @@ -167,4 +168,32 @@ [self.classMock verify]; } +- (void)testRTCVideoRenderWorksAfterReconstruction { + OCMStub([self.classMock isMetalAvailable]).andReturn(YES); + self.rendererNV12Mock = [self rendererMockWithSuccessfulSetup:YES]; + self.frameMock = [self frameMockWithCVPixelBuffer:YES]; + + OCMExpect([self.rendererNV12Mock drawFrame:self.frameMock]); + OCMExpect([self.classMock createNV12Renderer]).andReturn(self.rendererNV12Mock); + [[self.classMock reject] createI420Renderer]; + + RTCMTLVideoView *realView = [[RTCMTLVideoView alloc] init]; + + [realView renderFrame:self.frameMock]; + [realView drawInMTKView:nil]; + [self.rendererNV12Mock verify]; + [self.classMock verify]; + + // Recreate view. + realView = [[RTCMTLVideoView alloc] init]; + OCMExpect([self.rendererNV12Mock drawFrame:self.frameMock]); + // View hould reinit renderer. + OCMExpect([self.classMock createNV12Renderer]).andReturn(self.rendererNV12Mock); + + [realView renderFrame:self.frameMock]; + [realView drawInMTKView:nil]; + [self.rendererNV12Mock verify]; + [self.classMock verify]; +} + @end