1 /* 2 * Copyright 2015 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef RecordTestUtils_DEFINED 9 #define RecordTestUtils_DEFINED 10 11 #include "SkRecord.h" 12 #include "SkRecords.h" 13 #include "Test.h" 14 15 // If the command we're reading is a U, set ptr to it, otherwise set it to nullptr. 16 template <typename U> 17 struct ReadAs { 18 ReadAs() : ptr(nullptr), type(SkRecords::Type(~0)) {} 19 20 const U* ptr; 21 SkRecords::Type type; 22 23 void operator()(const U& r) { ptr = &r; type = U::kType; } 24 25 template <typename T> 26 void operator()(const T&) { type = U::kType; } 27 }; 28 29 // Assert that the ith command in record is of type T, and return it. 30 template <typename T> 31 static const T* assert_type(skiatest::Reporter* r, const SkRecord& record, int index) { 32 ReadAs<T> reader; 33 record.visit(index, reader); 34 REPORTER_ASSERT(r, T::kType == reader.type); 35 REPORTER_ASSERT(r, SkToBool(reader.ptr)); 36 return reader.ptr; 37 } 38 39 template <typename DrawT> struct MatchType { 40 template <typename T> int operator()(const T&) { return 0; } 41 int operator()(const DrawT&) { return 1; } 42 }; 43 44 template <typename DrawT> int count_instances_of_type(const SkRecord& record) { 45 MatchType<DrawT> matcher; 46 int counter = 0; 47 for (int i = 0; i < record.count(); i++) { 48 counter += record.visit(i, matcher); 49 } 50 return counter; 51 } 52 53 template <typename DrawT> int find_first_instances_of_type(const SkRecord& record) { 54 MatchType<DrawT> matcher; 55 for (int i = 0; i < record.count(); i++) { 56 if (record.visit(i, matcher)) { 57 return i; 58 } 59 } 60 return -1; 61 } 62 63 #endif//RecordTestUtils_DEFINED 64