reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 1 | #include "Test.h" |
| 2 | #include "SkRandom.h" |
| 3 | #include "SkStream.h" |
| 4 | |
| 5 | #define MAX_SIZE (256 * 1024) |
| 6 | |
| 7 | static void random_fill(SkRandom& rand, void* buffer, size_t size) { |
| 8 | char* p = (char*)buffer; |
| 9 | char* stop = p + size; |
| 10 | while (p < stop) { |
| 11 | *p++ = (char)(rand.nextU() >> 8); |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | static void test_buffer(skiatest::Reporter* reporter) { |
| 16 | SkRandom rand; |
| 17 | SkAutoMalloc am(MAX_SIZE * 2); |
| 18 | char* storage = (char*)am.get(); |
| 19 | char* storage2 = storage + MAX_SIZE; |
| 20 | |
| 21 | random_fill(rand, storage, MAX_SIZE); |
| 22 | |
| 23 | for (int sizeTimes = 0; sizeTimes < 100; sizeTimes++) { |
| 24 | int size = rand.nextU() % MAX_SIZE; |
| 25 | if (size == 0) { |
| 26 | size = MAX_SIZE; |
| 27 | } |
| 28 | for (int times = 0; times < 100; times++) { |
| 29 | int bufferSize = 1 + (rand.nextU() & 0xFFFF); |
| 30 | SkMemoryStream mstream(storage, size); |
| 31 | SkBufferStream bstream(&mstream, bufferSize); |
reed@android.com | 80e39a7 | 2009-04-02 16:59:40 +0000 | [diff] [blame] | 32 | |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 33 | int bytesRead = 0; |
| 34 | while (bytesRead < size) { |
| 35 | int s = 17 + (rand.nextU() & 0xFFFF); |
| 36 | int ss = bstream.read(storage2, s); |
| 37 | REPORTER_ASSERT(reporter, ss > 0 && ss <= s); |
| 38 | REPORTER_ASSERT(reporter, bytesRead + ss <= size); |
reed@android.com | 80e39a7 | 2009-04-02 16:59:40 +0000 | [diff] [blame] | 39 | REPORTER_ASSERT(reporter, |
| 40 | memcmp(storage + bytesRead, storage2, ss) == 0); |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 41 | bytesRead += ss; |
| 42 | } |
| 43 | REPORTER_ASSERT(reporter, bytesRead == size); |
| 44 | } |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | static void TestRStream(skiatest::Reporter* reporter) { |
reed@android.com | 80e39a7 | 2009-04-02 16:59:40 +0000 | [diff] [blame] | 49 | static const char s[] = |
| 50 | "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 51 | char copy[sizeof(s)]; |
| 52 | SkRandom rand; |
reed@android.com | 80e39a7 | 2009-04-02 16:59:40 +0000 | [diff] [blame] | 53 | |
| 54 | for (int i = 0; i < 65; i++) { |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 55 | char* copyPtr = copy; |
| 56 | SkMemoryStream mem(s, sizeof(s)); |
| 57 | SkBufferStream buff(&mem, i); |
reed@android.com | 80e39a7 | 2009-04-02 16:59:40 +0000 | [diff] [blame] | 58 | |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 59 | do { |
| 60 | copyPtr += buff.read(copyPtr, rand.nextU() & 15); |
| 61 | } while (copyPtr < copy + sizeof(s)); |
| 62 | REPORTER_ASSERT(reporter, copyPtr == copy + sizeof(s)); |
| 63 | REPORTER_ASSERT(reporter, memcmp(s, copy, sizeof(s)) == 0); |
| 64 | } |
| 65 | test_buffer(reporter); |
| 66 | } |
| 67 | |
reed@android.com | 80e39a7 | 2009-04-02 16:59:40 +0000 | [diff] [blame] | 68 | static void TestWStream(skiatest::Reporter* reporter) { |
| 69 | SkDynamicMemoryWStream ds; |
| 70 | const char s[] = "abcdefghijklmnopqrstuvwxyz"; |
| 71 | int i; |
| 72 | for (i = 0; i < 100; i++) { |
| 73 | REPORTER_ASSERT(reporter, ds.write(s, 26)); |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 74 | } |
reed@android.com | 80e39a7 | 2009-04-02 16:59:40 +0000 | [diff] [blame] | 75 | REPORTER_ASSERT(reporter, ds.getOffset() == 100 * 26); |
| 76 | char* dst = new char[100 * 26 + 1]; |
| 77 | dst[100*26] = '*'; |
| 78 | ds.copyTo(dst); |
| 79 | REPORTER_ASSERT(reporter, dst[100*26] == '*'); |
| 80 | // char* p = dst; |
| 81 | for (i = 0; i < 100; i++) { |
| 82 | REPORTER_ASSERT(reporter, memcmp(&dst[i * 26], s, 26) == 0); |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 83 | } |
reed@android.com | 80e39a7 | 2009-04-02 16:59:40 +0000 | [diff] [blame] | 84 | REPORTER_ASSERT(reporter, memcmp(dst, ds.getStream(), 100*26) == 0); |
| 85 | delete[] dst; |
reed@android.com | 5e5adfd | 2009-03-07 03:39:23 +0000 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | static void TestStreams(skiatest::Reporter* reporter) { |
| 89 | TestRStream(reporter); |
| 90 | TestWStream(reporter); |
| 91 | } |
| 92 | |
| 93 | #include "TestClassDef.h" |
| 94 | DEFINE_TESTCLASS("Stream", StreamTestClass, TestStreams) |