reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2011 Google Inc. |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | #include "SkReader32.h" |
| 19 | #include "Test.h" |
| 20 | |
| 21 | static void assert_eof(skiatest::Reporter* reporter, const SkReader32& reader) { |
| 22 | REPORTER_ASSERT(reporter, reader.eof()); |
| 23 | REPORTER_ASSERT(reporter, reader.size() == reader.offset()); |
| 24 | REPORTER_ASSERT(reporter, (const char*)reader.peek() == |
| 25 | (const char*)reader.base() + reader.size()); |
| 26 | } |
| 27 | |
| 28 | static void assert_start(skiatest::Reporter* reporter, const SkReader32& reader) { |
| 29 | REPORTER_ASSERT(reporter, 0 == reader.offset()); |
| 30 | REPORTER_ASSERT(reporter, reader.size() == reader.available()); |
| 31 | REPORTER_ASSERT(reporter, reader.isAvailable(reader.size())); |
| 32 | REPORTER_ASSERT(reporter, !reader.isAvailable(reader.size() + 1)); |
| 33 | REPORTER_ASSERT(reporter, reader.peek() == reader.base()); |
| 34 | } |
| 35 | |
| 36 | static void assert_empty(skiatest::Reporter* reporter, const SkReader32& reader) { |
| 37 | REPORTER_ASSERT(reporter, 0 == reader.size()); |
| 38 | REPORTER_ASSERT(reporter, 0 == reader.offset()); |
| 39 | REPORTER_ASSERT(reporter, 0 == reader.available()); |
| 40 | REPORTER_ASSERT(reporter, !reader.isAvailable(1)); |
| 41 | assert_eof(reporter, reader); |
| 42 | assert_start(reporter, reader); |
| 43 | } |
| 44 | |
| 45 | static void Tests(skiatest::Reporter* reporter) { |
| 46 | SkReader32 reader; |
| 47 | assert_empty(reporter, reader); |
| 48 | REPORTER_ASSERT(reporter, NULL == reader.base()); |
| 49 | REPORTER_ASSERT(reporter, NULL == reader.peek()); |
| 50 | |
| 51 | size_t i; |
| 52 | |
| 53 | const int32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; |
| 54 | const SkScalar data2[] = { 0, SK_Scalar1, -SK_Scalar1, SK_Scalar1/2 }; |
| 55 | char buffer[SkMax32(sizeof(data), sizeof(data2))]; |
| 56 | |
| 57 | reader.setMemory(data, sizeof(data)); |
| 58 | for (i = 0; i < SK_ARRAY_COUNT(data); ++i) { |
| 59 | REPORTER_ASSERT(reporter, sizeof(data) == reader.size()); |
| 60 | REPORTER_ASSERT(reporter, i*4 == reader.offset()); |
| 61 | REPORTER_ASSERT(reporter, (const void*)data == reader.base()); |
| 62 | REPORTER_ASSERT(reporter, (const void*)&data[i] == reader.peek()); |
| 63 | REPORTER_ASSERT(reporter, data[i] == reader.readInt()); |
| 64 | } |
| 65 | assert_eof(reporter, reader); |
| 66 | reader.rewind(); |
| 67 | assert_start(reporter, reader); |
reed@google.com | 103c036 | 2011-05-23 12:28:48 +0000 | [diff] [blame^] | 68 | reader.read(buffer, sizeof(data)); |
| 69 | REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(data))); |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 70 | |
| 71 | reader.setMemory(data2, sizeof(data2)); |
| 72 | for (i = 0; i < SK_ARRAY_COUNT(data2); ++i) { |
| 73 | REPORTER_ASSERT(reporter, sizeof(data2) == reader.size()); |
| 74 | REPORTER_ASSERT(reporter, i*4 == reader.offset()); |
| 75 | REPORTER_ASSERT(reporter, (const void*)data2 == reader.base()); |
| 76 | REPORTER_ASSERT(reporter, (const void*)&data2[i] == reader.peek()); |
| 77 | REPORTER_ASSERT(reporter, data2[i] == reader.readScalar()); |
| 78 | } |
| 79 | assert_eof(reporter, reader); |
| 80 | reader.rewind(); |
| 81 | assert_start(reporter, reader); |
reed@google.com | 103c036 | 2011-05-23 12:28:48 +0000 | [diff] [blame^] | 82 | reader.read(buffer, sizeof(data2)); |
| 83 | REPORTER_ASSERT(reporter, !memcmp(data2, buffer, sizeof(data2))); |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 84 | |
| 85 | reader.setMemory(NULL, 0); |
| 86 | assert_empty(reporter, reader); |
| 87 | REPORTER_ASSERT(reporter, NULL == reader.base()); |
| 88 | REPORTER_ASSERT(reporter, NULL == reader.peek()); |
| 89 | } |
| 90 | |
| 91 | #include "TestClassDef.h" |
| 92 | DEFINE_TESTCLASS("Reader32", Reader32Class, Tests) |
| 93 | |