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| 1 | |
| 2 /* | 1 /* |
| 3 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
| 4 * | 3 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 7 */ | 6 */ |
| 8 #include "Test.h" | 7 |
| 8 #include "SkBitmapHasher.h" |
| 9 | 9 |
| 10 #include "SkBitmap.h" | 10 #include "SkBitmap.h" |
| 11 #include "SkBitmapHasher.h" | |
| 12 #include "SkColor.h" | 11 #include "SkColor.h" |
| 12 #include "Test.h" |
| 13 #include "TestClassDef.h" |
| 13 | 14 |
| 14 // Word size that is large enough to hold results of any checksum type. | 15 // Word size that is large enough to hold results of any checksum type. |
| 15 typedef uint64_t checksum_result; | 16 typedef uint64_t checksum_result; |
| 16 | 17 |
| 17 namespace skiatest { | 18 // Fill in bitmap with test data. |
| 18 class BitmapHasherTestClass : public Test { | 19 static void CreateTestBitmap(SkBitmap &bitmap, SkBitmap::Config config, int widt
h, int height, |
| 19 public: | 20 SkColor color, skiatest::Reporter* reporter) { |
| 20 static Test* Factory(void*) {return SkNEW(BitmapHasherTestClass); } | 21 bitmap.setConfig(config, width, height); |
| 21 protected: | 22 REPORTER_ASSERT(reporter, bitmap.allocPixels()); |
| 22 virtual void onGetName(SkString* name) { name->set("BitmapHasher"); } | 23 bitmap.setAlphaType(kOpaque_SkAlphaType); |
| 23 virtual void onRun(Reporter* reporter) { | 24 bitmap.eraseColor(color); |
| 24 this->fReporter = reporter; | 25 } |
| 25 RunTest(); | |
| 26 } | |
| 27 private: | |
| 28 | 26 |
| 29 // Fill in bitmap with test data. | 27 DEF_TEST(BitmapHasher, reporter) { |
| 30 void CreateTestBitmap(SkBitmap &bitmap, SkBitmap::Config config, int wid
th, int height, | 28 // Test SkBitmapHasher |
| 31 SkColor color) { | 29 SkBitmap bitmap; |
| 32 bitmap.setConfig(config, width, height); | 30 uint64_t digest; |
| 33 REPORTER_ASSERT(fReporter, bitmap.allocPixels()); | 31 // initial test case |
| 34 bitmap.setAlphaType(kOpaque_SkAlphaType); | 32 CreateTestBitmap(bitmap, SkBitmap::kARGB_8888_Config, 333, 555, SK_ColorBLUE
, reporter); |
| 35 bitmap.eraseColor(color); | 33 REPORTER_ASSERT(reporter, SkBitmapHasher::ComputeDigest(bitmap, &digest)); |
| 36 } | 34 REPORTER_ASSERT(reporter, digest == 0xfb2903562766ef87ULL); |
| 37 | 35 // same pixel data but different dimensions should yield a different checksu
m |
| 38 void RunTest() { | 36 CreateTestBitmap(bitmap, SkBitmap::kARGB_8888_Config, 555, 333, SK_ColorBLUE
, reporter); |
| 39 // Test SkBitmapHasher | 37 REPORTER_ASSERT(reporter, SkBitmapHasher::ComputeDigest(bitmap, &digest)); |
| 40 SkBitmap bitmap; | 38 REPORTER_ASSERT(reporter, digest == 0xfe04023fb97d0f61ULL); |
| 41 uint64_t digest; | 39 // same dimensions but different color should yield a different checksum |
| 42 // initial test case | 40 CreateTestBitmap(bitmap, SkBitmap::kARGB_8888_Config, 555, 333, SK_ColorGREE
N, reporter); |
| 43 CreateTestBitmap(bitmap, SkBitmap::kARGB_8888_Config, 333, 555, SK_C
olorBLUE); | 41 REPORTER_ASSERT(reporter, SkBitmapHasher::ComputeDigest(bitmap, &digest)); |
| 44 REPORTER_ASSERT(fReporter, SkBitmapHasher::ComputeDigest(bitmap, &di
gest)); | 42 REPORTER_ASSERT(reporter, digest == 0x2423c51cad6d1edcULL); |
| 45 REPORTER_ASSERT(fReporter, digest == 0xfb2903562766ef87ULL); | |
| 46 // same pixel data but different dimensions should yield a different
checksum | |
| 47 CreateTestBitmap(bitmap, SkBitmap::kARGB_8888_Config, 555, 333, SK_C
olorBLUE); | |
| 48 REPORTER_ASSERT(fReporter, SkBitmapHasher::ComputeDigest(bitmap, &di
gest)); | |
| 49 REPORTER_ASSERT(fReporter, digest == 0xfe04023fb97d0f61ULL); | |
| 50 // same dimensions but different color should yield a different chec
ksum | |
| 51 CreateTestBitmap(bitmap, SkBitmap::kARGB_8888_Config, 555, 333, SK_C
olorGREEN); | |
| 52 REPORTER_ASSERT(fReporter, SkBitmapHasher::ComputeDigest(bitmap, &di
gest)); | |
| 53 REPORTER_ASSERT(fReporter, digest == 0x2423c51cad6d1edcULL); | |
| 54 } | |
| 55 | |
| 56 Reporter* fReporter; | |
| 57 }; | |
| 58 | |
| 59 static TestRegistry gReg(BitmapHasherTestClass::Factory); | |
| 60 } | 43 } |
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