1 /* 2 * Copyright 2011 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 #include "Test.h" 9 #include "TestClassDef.h" 10 #include "SkReader32.h" 11 12 static void assert_eof(skiatest::Reporter* reporter, const SkReader32& reader) { 13 REPORTER_ASSERT(reporter, reader.eof()); 14 REPORTER_ASSERT(reporter, reader.size() == reader.offset()); 15 REPORTER_ASSERT(reporter, (const char*)reader.peek() == 16 (const char*)reader.base() + reader.size()); 17 } 18 19 static void assert_start(skiatest::Reporter* reporter, const SkReader32& reader) { 20 REPORTER_ASSERT(reporter, 0 == reader.offset()); 21 REPORTER_ASSERT(reporter, reader.size() == reader.available()); 22 REPORTER_ASSERT(reporter, reader.isAvailable(reader.size())); 23 REPORTER_ASSERT(reporter, !reader.isAvailable(reader.size() + 1)); 24 REPORTER_ASSERT(reporter, reader.peek() == reader.base()); 25 } 26 27 static void assert_empty(skiatest::Reporter* reporter, const SkReader32& reader) { 28 REPORTER_ASSERT(reporter, 0 == reader.size()); 29 REPORTER_ASSERT(reporter, 0 == reader.offset()); 30 REPORTER_ASSERT(reporter, 0 == reader.available()); 31 REPORTER_ASSERT(reporter, !reader.isAvailable(1)); 32 assert_eof(reporter, reader); 33 assert_start(reporter, reader); 34 } 35 36 DEF_TEST(Reader32, reporter) { 37 SkReader32 reader; 38 assert_empty(reporter, reader); 39 REPORTER_ASSERT(reporter, NULL == reader.base()); 40 REPORTER_ASSERT(reporter, NULL == reader.peek()); 41 42 size_t i; 43 44 const int32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; 45 const SkScalar data2[] = { 0, SK_Scalar1, -SK_Scalar1, SK_Scalar1/2 }; 46 const size_t bufsize = sizeof(data) > sizeof(data2) ? 47 sizeof(data) : sizeof(data2); 48 char buffer[bufsize]; 49 50 reader.setMemory(data, sizeof(data)); 51 for (i = 0; i < SK_ARRAY_COUNT(data); ++i) { 52 REPORTER_ASSERT(reporter, sizeof(data) == reader.size()); 53 REPORTER_ASSERT(reporter, i*4 == reader.offset()); 54 REPORTER_ASSERT(reporter, (const void*)data == reader.base()); 55 REPORTER_ASSERT(reporter, (const void*)&data[i] == reader.peek()); 56 REPORTER_ASSERT(reporter, data[i] == reader.readInt()); 57 } 58 assert_eof(reporter, reader); 59 reader.rewind(); 60 assert_start(reporter, reader); 61 reader.read(buffer, sizeof(data)); 62 REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(data))); 63 64 reader.setMemory(data2, sizeof(data2)); 65 for (i = 0; i < SK_ARRAY_COUNT(data2); ++i) { 66 REPORTER_ASSERT(reporter, sizeof(data2) == reader.size()); 67 REPORTER_ASSERT(reporter, i*4 == reader.offset()); 68 REPORTER_ASSERT(reporter, (const void*)data2 == reader.base()); 69 REPORTER_ASSERT(reporter, (const void*)&data2[i] == reader.peek()); 70 REPORTER_ASSERT(reporter, data2[i] == reader.readScalar()); 71 } 72 assert_eof(reporter, reader); 73 reader.rewind(); 74 assert_start(reporter, reader); 75 reader.read(buffer, sizeof(data2)); 76 REPORTER_ASSERT(reporter, !memcmp(data2, buffer, sizeof(data2))); 77 78 reader.setMemory(NULL, 0); 79 assert_empty(reporter, reader); 80 REPORTER_ASSERT(reporter, NULL == reader.base()); 81 REPORTER_ASSERT(reporter, NULL == reader.peek()); 82 } 83
