reed@android.com | 097a351 | 2010-07-13 18:35:14 +0000 | [diff] [blame] | 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) |