1 #ifndef DMExpectations_DEFINED 2 #define DMExpectations_DEFINED 3 4 #include "DMTask.h" 5 #include "gm_expectations.h" 6 7 namespace DM { 8 9 struct Expectations { ~ExpectationsExpectations10 virtual ~Expectations() {} 11 12 // Return true if bitmap is the correct output for task, else false. 13 virtual bool check(const Task& task, SkBitmap bitmap) const = 0; 14 }; 15 16 class NoExpectations : public Expectations { 17 public: NoExpectations()18 NoExpectations() {} check(const Task &,SkBitmap)19 bool check(const Task&, SkBitmap) const SK_OVERRIDE { return true; } 20 }; 21 22 class JsonExpectations : public Expectations { 23 public: JsonExpectations(const char * path)24 explicit JsonExpectations(const char* path) : fGMExpectations(path) {} 25 check(const Task & task,SkBitmap bitmap)26 bool check(const Task& task, SkBitmap bitmap) const SK_OVERRIDE { 27 SkString filename = task.name(); 28 filename.append(".png"); 29 const skiagm::Expectations expectations = fGMExpectations.get(filename.c_str()); 30 31 if (expectations.ignoreFailure() || expectations.empty()) { 32 return true; 33 } 34 35 // Delay this calculation as long as possible. It's expensive. 36 const skiagm::GmResultDigest digest(bitmap); 37 return expectations.match(digest); 38 } 39 40 private: 41 skiagm::JsonExpectationsSource fGMExpectations; 42 }; 43 44 } // namespace DM 45 46 #endif // DMExpectations_DEFINED 47