GM: include filename extension (.png) of each output file in JSON summary

gm/tests/run.sh

 #!/bin/bash
 
 # Self-tests for gm, based on tools/tests/run.sh
 #
 # These tests are run by the Skia_PerCommit_House_Keeping bot at every commit,
 # so make sure that they still pass when you make changes to gm!
 #
 # To generate new baselines when gm behavior changes, run gm/tests/rebaseline.sh
 #
 # TODO: because this is written as a shell script (instead of, say, Python)
 # it only runs on Linux and Mac.
 # See https://code.google.com/p/skia/issues/detail?id=677
 # ('make tools/tests/run.sh work cross-platform')
 # Ideally, these tests should pass on all development platforms...
 # otherwise, how can developers be expected to test them before committing a
 # change?
 
 # cd into .../trunk so all the paths will work
 cd $(dirname $0)/../..
 
 # TODO(epoger): make it look in Release and/or Debug
 GM_BINARY=out/Debug/gm
 
 # If WRITE_IMAGE_FILES is nonzero, then the self-test will pass --writePath
 # and --mismatchPath arguments to GM.  Currently, for various reasons, we
 # cannot run these arguments on the production buildbots, so this should
 # only be set to nonzero for local testing.
-WRITE_IMAGE_FILES=0
+WRITE_IMAGE_FILES=1

[epoger, 2013/05/08 19:39:48]

First patchset turns on WRITE_IMAGE_FILES in the gm self-tests, and adds all the
self-test output that follows from that change.

 
 OUTPUT_ACTUAL_SUBDIR=output-actual
 OUTPUT_EXPECTED_SUBDIR=output-expected
 CONFIGS="--config 8888 565"
 
 ENCOUNTERED_ANY_ERRORS=0
 
 # Compare contents of all files within directories $1 and $2,
 # EXCEPT for any dotfiles.
 # If there are any differences, a description is written to stdout and
@@ skipping 155 matching lines @@
 
 # Ignore some error types (including ExpectationsMismatch)
 gm_test "--ignoreErrorTypes ExpectationsMismatch NoGpuContext --verbose --hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/json/different-pixels.json" "$GM_OUTPUTS/ignore-expectations-mismatch"
 
 if [ $ENCOUNTERED_ANY_ERRORS == 0 ]; then
   echo "All tests passed."
   exit 0
 else
   exit 1
 fi