1 #include "Test.h" 2 #include "SkRegion.h" 3 #include "SkRandom.h" 4 5 static void rand_rect(SkIRect* rect, SkRandom& rand) { 6 int bits = 6; 7 int shift = 32 - bits; 8 rect->set(rand.nextU() >> shift, rand.nextU() >> shift, 9 rand.nextU() >> shift, rand.nextU() >> shift); 10 rect->sort(); 11 } 12 13 static bool test_rects(const SkIRect rect[], int count) { 14 SkRegion rgn0, rgn1; 15 16 for (int i = 0; i < count; i++) { 17 rgn0.op(rect[i], SkRegion::kUnion_Op); 18 } 19 rgn1.setRects(rect, count); 20 21 if (rgn0 != rgn1) { 22 SkDebugf("\n"); 23 for (int i = 0; i < count; i++) { 24 SkDebugf(" { %d, %d, %d, %d },\n", 25 rect[i].fLeft, rect[i].fTop, 26 rect[i].fRight, rect[i].fBottom); 27 } 28 SkDebugf("\n"); 29 return false; 30 } 31 return true; 32 } 33 34 static void TestRegion(skiatest::Reporter* reporter) { 35 const SkIRect r2[] = { 36 { 0, 0, 1, 1 }, 37 { 2, 2, 3, 3 }, 38 }; 39 REPORTER_ASSERT(reporter, test_rects(r2, SK_ARRAY_COUNT(r2))); 40 41 const SkIRect rects[] = { 42 { 0, 0, 1, 2 }, 43 { 2, 1, 3, 3 }, 44 { 4, 0, 5, 1 }, 45 { 6, 0, 7, 4 }, 46 }; 47 REPORTER_ASSERT(reporter, test_rects(rects, SK_ARRAY_COUNT(rects))); 48 49 SkRandom rand; 50 for (int i = 0; i < 1000; i++) { 51 SkRegion rgn0, rgn1; 52 53 const int N = 8; 54 SkIRect rect[N]; 55 for (int j = 0; j < N; j++) { 56 rand_rect(&rect[j], rand); 57 } 58 REPORTER_ASSERT(reporter, test_rects(rect, N)); 59 } 60 } 61 62 #include "TestClassDef.h" 63 DEFINE_TESTCLASS("Region", RegionTestClass, TestRegion) 64
