ci: run regression tests against oss-fuzz corpora (#115)

Author: randy408

.gitlab-ci.yml

@@ -6,16 +6,14 @@ stages:
 
 before_script:
   - apt update
-  - apt install -y build-essential meson clang-tools clang-tidy libfuzzer-7-dev libubsan1 zlib1g-dev libpng-dev pkg-config gcovr wget tar curl
+  - apt install -y build-essential meson git git-lfs unzip clang-tools clang-tidy libfuzzer-7-dev libubsan1 zlib1g-dev libpng-dev pkg-config gcovr wget tar curl
 
 test:
   stage: test
   script:
-    - CC=clang-7 CXX=clang++-7 meson -Ddev_build=true -Db_sanitize=address,undefined -Db_lundef=false --wrap-mode=forcefallback clang_build
+    - CC=clang-7 CXX=clang++-7 meson -Ddev_build=true -Duse_miniz=true -Db_sanitize=address,undefined -Db_lundef=false --wrap-mode=forcefallback -Doptimization=1 -Doss_fuzz=true clang_build
     - cd clang_build
-    - ninja test
     - ninja scan-build # this uses gcc due to a bug: https://github.com/mesonbuild/meson/issues/5716
-    - meson configure -Duse_miniz=true
     - ninja test
     - meson configure -Db_sanitize=memory
     - MSAN_OPTIONS=exitcode=100 ninja test

tests/meson.build

@@ -2,7 +2,7 @@ add_languages('cpp', native : false)
 cpp = meson.get_compiler('cpp')
 
 if cc.has_function('fmemopen', prefix : '#include <stdio.h>', args : '-D_GNU_SOURCE')
-    repro_exe = executable(
+    read_fuzzer = executable(
         'fuzz_repro',
         'fuzz_main.c', 'spng_read_fuzzer.c',
         c_args : '-D_GNU_SOURCE',
@@ -27,6 +27,6 @@ if get_option('oss_fuzz') == true
     corpora = subproject('fuzzing_corpora').get_variable('corpora')
 
     foreach case : corpora
-        test('testcase', test_exe, args : case, should_fail : true)
+        test('testcase', read_fuzzer, args : case)
     endforeach
 endif