Capture/Replay: write context serializations on failure

With this data available as JSON text files further analysis can be executed to drill down to what the actual difference is. Bug: angleproject:5715 Change-Id: I7012668ff9617f6232a6bbe1798a02d8c795321d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2821534 Commit-Queue: Gert Wollny <gert.wollny@collabora.com> Reviewed-by: Cody Northrop <cnorthrop@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

Capture/Replay: write context serializations on failure
f7891766 · Gert Wollny · Commit Bot · 71786e94 · f7891766
Commit f7891766 authored Apr 12, 2021 by Gert Wollny Committed by Commit Bot Apr 13, 2021
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CaptureReplayTests.cpp src/tests/capture_replay_tests/CaptureReplayTests.cpp +11 -0

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--- a/src/tests/capture_replay_tests/CaptureReplayTests.cpp
+++ b/src/tests/capture_replay_tests/CaptureReplayTests.cpp
@@ -141,6 +141,17 @@ class CaptureReplayTests
            swap();
            if (!isEqual)
            {
+                std::ostringstream replayName;
+                replayName << testTraceInfo.testName << "_ContextReplayed" << frame << ".json";
+                std::ofstream debugReplay(replayName.str());
+                debugReplay << reinterpret_cast<const char *>(bytes) << "\n";
+                std::ostringstream captureName;
+                captureName << testTraceInfo.testName << "_ContextCaptured" << frame << ".json";
+                std::ofstream debugCapture(captureName.str());
+                debugCapture << mTraceLibrary->getSerializedContextState(frame) << "\n";
                cleanupTest();
                return -1;
            }