1
2 /*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10
11 #include "SkReader32.h"
12 #include "SkWriter32.h"
13 #include "Test.h"
14
test1(skiatest::Reporter * reporter,SkWriter32 * writer)15 static void test1(skiatest::Reporter* reporter, SkWriter32* writer) {
16 const uint32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
17 for (size_t i = 0; i < SK_ARRAY_COUNT(data); ++i) {
18 REPORTER_ASSERT(reporter, i*4 == writer->size());
19 writer->write32(data[i]);
20 uint32_t* addr = writer->peek32(i * 4);
21 REPORTER_ASSERT(reporter, data[i] == *addr);
22 }
23
24 char buffer[sizeof(data)];
25 REPORTER_ASSERT(reporter, sizeof(buffer) == writer->size());
26 writer->flatten(buffer);
27 REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(buffer)));
28 }
29
test2(skiatest::Reporter * reporter,SkWriter32 * writer)30 static void test2(skiatest::Reporter* reporter, SkWriter32* writer) {
31 static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz";
32 size_t i;
33
34 size_t len = 0;
35 for (i = 0; i <= 26; ++i) {
36 len += SkWriter32::WriteStringSize(gStr, i);
37 writer->writeString(gStr, i);
38 }
39 REPORTER_ASSERT(reporter, writer->size() == len);
40
41 SkAutoMalloc storage(len);
42 writer->flatten(storage.get());
43
44 SkReader32 reader;
45 reader.setMemory(storage.get(), len);
46 for (i = 0; i <= 26; ++i) {
47 REPORTER_ASSERT(reporter, !reader.eof());
48 const char* str = reader.readString(&len);
49 REPORTER_ASSERT(reporter, i == len);
50 REPORTER_ASSERT(reporter, strlen(str) == len);
51 REPORTER_ASSERT(reporter, !memcmp(str, gStr, len));
52 }
53 REPORTER_ASSERT(reporter, reader.eof());
54 }
55
Tests(skiatest::Reporter * reporter)56 static void Tests(skiatest::Reporter* reporter) {
57 // dynamic allocator
58 {
59 SkWriter32 writer(256 * 4);
60 REPORTER_ASSERT(reporter, NULL == writer.getSingleBlock());
61 test1(reporter, &writer);
62
63 writer.reset();
64 test2(reporter, &writer);
65 }
66
67 // single-block
68 {
69 SkWriter32 writer(0);
70 uint32_t storage[256];
71 REPORTER_ASSERT(reporter, NULL == writer.getSingleBlock());
72 writer.reset(storage, sizeof(storage));
73 REPORTER_ASSERT(reporter, (void*)storage == writer.getSingleBlock());
74 test1(reporter, &writer);
75
76 writer.reset(storage, sizeof(storage));
77 test2(reporter, &writer);
78 }
79 }
80
81 #include "TestClassDef.h"
82 DEFINE_TESTCLASS("Writer32", Writer32Class, Tests)
83
84