# The first two steps are just as in cli-diff-images. Dump images from
# a trace into an empty directory.

rm_and_mkdir ./tri-out
apitrace dump-images --call-nos=no -o ./tri-out/tri tri.trace

# Compare the dumped image with a doctored image to provoke a failure.
# The EXPECT_FAILURE attribute causes the test driver to look for a
# non-zero return value from apitrace and fail the test if it is not
# seen.

EXPECT_FAILURE: apitrace diff-images -v ./tri-ref-mismatch ./tri-out

# In addition to getting the return value indicating an error, let's
# also require that "apitrace diff-images" gave us the output we
# expect.

expect "Comparing ./tri-ref-mismatch/tri0000000000.png and ./tri-out/tri0000000000.png ... MISMATCH\n"