aboutsummaryrefslogtreecommitdiffhomepage
path: root/tests/DataRefTest.cpp
blob: d6ba775ccd0ed30b6407c18ced45598a18363779 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152

/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "Test.h"
#include "SkData.h"
#include "SkDataSet.h"
#include "SkStream.h"

template <typename T> class SkTUnref {
public:
    SkTUnref(T* ref) : fRef(ref) {}
    ~SkTUnref() { fRef->unref(); }

    operator T*() { return fRef; }
    operator const T*() { return fRef; }

private:
    T*  fRef;
};

static void unrefAll(const SkDataSet::Pair pairs[], int count) {
    for (int i = 0; i < count; ++i) {
        pairs[i].fValue->unref();
    }
}

// asserts that inner is a subset of outer
static void test_dataset_subset(skiatest::Reporter* reporter,
                                const SkDataSet& outer, const SkDataSet& inner) {
    SkDataSet::Iter iter(inner);
    for (; !iter.done(); iter.next()) {
        SkData* outerData = outer.find(iter.key());
        REPORTER_ASSERT(reporter, outerData);
        REPORTER_ASSERT(reporter, outerData->equals(iter.value()));
    }
}

static void test_datasets_equal(skiatest::Reporter* reporter,
                                const SkDataSet& ds0, const SkDataSet& ds1) {
    REPORTER_ASSERT(reporter, ds0.count() == ds1.count());

    test_dataset_subset(reporter, ds0, ds1);
    test_dataset_subset(reporter, ds1, ds0);
}

static void test_dataset(skiatest::Reporter* reporter, const SkDataSet& ds,
                         int count) {
    REPORTER_ASSERT(reporter, ds.count() == count);

    SkDataSet::Iter iter(ds);
    int index = 0;
    for (; !iter.done(); iter.next()) {
        const char* name = iter.key();
        SkData* data = iter.value();
//        SkDebugf("[%d] %s:%s\n", index, name, (const char*)data->bytes());
        index += 1;
    }
    REPORTER_ASSERT(reporter, index == count);

    SkDynamicMemoryWStream ostream;
    ds.writeToStream(&ostream);
    SkMemoryStream istream;
    istream.setData(ostream.copyToData())->unref();
    SkDataSet copy(&istream);

    test_datasets_equal(reporter, ds, copy);
}

static void test_dataset(skiatest::Reporter* reporter) {
    SkDataSet set0(NULL, 0);
    SkDataSet set1("hello", SkTUnref<SkData>(SkData::NewWithCString("world")));

    const SkDataSet::Pair pairs[] = {
        { "one", SkData::NewWithCString("1") },
        { "two", SkData::NewWithCString("2") },
        { "three", SkData::NewWithCString("3") },
    };
    SkDataSet set3(pairs, 3);
    unrefAll(pairs, 3);

    test_dataset(reporter, set0, 0);
    test_dataset(reporter, set1, 1);
    test_dataset(reporter, set3, 3);
}

static void* gGlobal;

static void delete_int_proc(const void* ptr, size_t len, void* context) {
    int* data = (int*)ptr;
    SkASSERT(context == gGlobal);
    delete[] data;
}

static void assert_len(skiatest::Reporter* reporter, SkData* ref, size_t len) {
    REPORTER_ASSERT(reporter, ref->size() == len);
}

static void assert_data(skiatest::Reporter* reporter, SkData* ref,
                        const void* data, size_t len) {
    REPORTER_ASSERT(reporter, ref->size() == len);
    REPORTER_ASSERT(reporter, !memcmp(ref->data(), data, len));
}

static void test_cstring(skiatest::Reporter* reporter) {
    const char str[] = "Hello world";
    size_t     len = strlen(str);

    SkAutoTUnref<SkData> r0(SkData::NewWithCopy(str, len + 1));
    SkAutoTUnref<SkData> r1(SkData::NewWithCString(str));

    REPORTER_ASSERT(reporter, r0->equals(r1));

    SkAutoTUnref<SkData> r2(SkData::NewWithCString(NULL));
    REPORTER_ASSERT(reporter, 1 == r2->size());
    REPORTER_ASSERT(reporter, 0 == *r2->bytes());
}

static void TestData(skiatest::Reporter* reporter) {
    const char* str = "We the people, in order to form a more perfect union.";
    const int N = 10;

    SkAutoTUnref<SkData> r0(SkData::NewEmpty());
    SkAutoTUnref<SkData> r1(SkData::NewWithCopy(str, strlen(str)));
    SkAutoTUnref<SkData> r2(SkData::NewWithProc(new int[N], N*sizeof(int),
                                           delete_int_proc, gGlobal));
    SkAutoTUnref<SkData> r3(SkData::NewSubset(r1, 7, 6));

    assert_len(reporter, r0, 0);
    assert_len(reporter, r1, strlen(str));
    assert_len(reporter, r2, N * sizeof(int));
    assert_len(reporter, r3, 6);

    assert_data(reporter, r1, str, strlen(str));
    assert_data(reporter, r3, "people", 6);

    SkData* tmp = SkData::NewSubset(r1, strlen(str), 10);
    assert_len(reporter, tmp, 0);
    tmp->unref();
    tmp = SkData::NewSubset(r1, 0, 0);
    assert_len(reporter, tmp, 0);
    tmp->unref();

    test_cstring(reporter);
    test_dataset(reporter);
}

#include "TestClassDef.h"
DEFINE_TESTCLASS("Data", DataTestClass, TestData)