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 #include "Test.h"
9 #include "SkString.h"
10 #include <stdarg.h>
11
12
13 // Windows vsnprintf doesn't 0-terminate safely), but is so far
14 // encapsulated in SkString that we can't test it directly.
15
16 #ifdef SK_BUILD_FOR_WIN
17 #define VSNPRINTF(buffer, size, format, args) \
18 vsnprintf_s(buffer, size, _TRUNCATE, format, args)
19 #else
20 #define VSNPRINTF vsnprintf
21 #endif
22
23 #define ARGS_TO_BUFFER(format, buffer, size) \
24 do { \
25 va_list args; \
26 va_start(args, format); \
27 VSNPRINTF(buffer, size, format, args); \
28 va_end(args); \
29 } while (0)
30
printfAnalog(char * buffer,int size,const char format[],...)31 static void printfAnalog(char* buffer, int size, const char format[], ...) {
32 ARGS_TO_BUFFER(format, buffer, size);
33 }
34
35
36
TestString(skiatest::Reporter * reporter)37 static void TestString(skiatest::Reporter* reporter) {
38 SkString a;
39 SkString b((size_t)0);
40 SkString c("");
41 SkString d(NULL, 0);
42
43 REPORTER_ASSERT(reporter, a.isEmpty());
44 REPORTER_ASSERT(reporter, a == b && a == c && a == d);
45
46 a.set("hello");
47 b.set("hellox", 5);
48 c.set(a);
49 d.resize(5);
50 memcpy(d.writable_str(), "helloz", 5);
51
52 REPORTER_ASSERT(reporter, !a.isEmpty());
53 REPORTER_ASSERT(reporter, a.size() == 5);
54 REPORTER_ASSERT(reporter, a == b && a == c && a == d);
55 REPORTER_ASSERT(reporter, a.equals("hello", 5));
56 REPORTER_ASSERT(reporter, a.equals("hello"));
57 REPORTER_ASSERT(reporter, !a.equals("help"));
58
59 REPORTER_ASSERT(reporter, a.startsWith("hell"));
60 REPORTER_ASSERT(reporter, a.startsWith('h'));
61 REPORTER_ASSERT(reporter, !a.startsWith( "ell"));
62 REPORTER_ASSERT(reporter, !a.startsWith( 'e'));
63 REPORTER_ASSERT(reporter, a.startsWith(""));
64 REPORTER_ASSERT(reporter, a.endsWith("llo"));
65 REPORTER_ASSERT(reporter, a.endsWith('o'));
66 REPORTER_ASSERT(reporter, !a.endsWith("ll" ));
67 REPORTER_ASSERT(reporter, !a.endsWith('l'));
68 REPORTER_ASSERT(reporter, a.endsWith(""));
69 REPORTER_ASSERT(reporter, a.contains("he"));
70 REPORTER_ASSERT(reporter, a.contains("ll"));
71 REPORTER_ASSERT(reporter, a.contains("lo"));
72 REPORTER_ASSERT(reporter, a.contains("hello"));
73 REPORTER_ASSERT(reporter, !a.contains("hellohello"));
74 REPORTER_ASSERT(reporter, a.contains(""));
75 REPORTER_ASSERT(reporter, a.contains('e'));
76 REPORTER_ASSERT(reporter, !a.contains('z'));
77
78 SkString e(a);
79 SkString f("hello");
80 SkString g("helloz", 5);
81
82 REPORTER_ASSERT(reporter, a == e && a == f && a == g);
83
84 b.set("world");
85 c = b;
86 REPORTER_ASSERT(reporter, a != b && a != c && b == c);
87
88 a.append(" world");
89 e.append("worldz", 5);
90 e.insert(5, " ");
91 f.set("world");
92 f.prepend("hello ");
93 REPORTER_ASSERT(reporter, a.equals("hello world") && a == e && a == f);
94
95 a.reset();
96 b.resize(0);
97 REPORTER_ASSERT(reporter, a.isEmpty() && b.isEmpty() && a == b);
98
99 a.set("a");
100 a.set("ab");
101 a.set("abc");
102 a.set("abcd");
103
104 a.set("");
105 a.appendS64(72036854775808LL, 0);
106 REPORTER_ASSERT(reporter, a.equals("72036854775808"));
107
108 a.set("");
109 a.appendS64(-1844674407370LL, 0);
110 REPORTER_ASSERT(reporter, a.equals("-1844674407370"));
111
112 a.set("");
113 a.appendS64(73709551616LL, 15);
114 REPORTER_ASSERT(reporter, a.equals("000073709551616"));
115
116 a.set("");
117 a.appendS64(-429496729612LL, 15);
118 REPORTER_ASSERT(reporter, a.equals("-000429496729612"));
119
120 static const struct {
121 SkScalar fValue;
122 const char* fString;
123 } gRec[] = {
124 { 0, "0" },
125 { SK_Scalar1, "1" },
126 { -SK_Scalar1, "-1" },
127 { SK_Scalar1/2, "0.5" },
128 #ifdef SK_SCALAR_IS_FLOAT
129 #ifdef SK_BUILD_FOR_WIN
130 { 3.4028234e38f, "3.4028235e+038" },
131 { -3.4028234e38f, "-3.4028235e+038" },
132 #else
133 { 3.4028234e38f, "3.4028235e+38" },
134 { -3.4028234e38f, "-3.4028235e+38" },
135 #endif
136 #endif
137 };
138 for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
139 a.reset();
140 a.appendScalar(gRec[i].fValue);
141 REPORTER_ASSERT(reporter, a.size() <= SkStrAppendScalar_MaxSize);
142 // SkDebugf(" received <%s> expected <%s>\n", a.c_str(), gRec[i].fString);
143 REPORTER_ASSERT(reporter, a.equals(gRec[i].fString));
144 }
145
146 REPORTER_ASSERT(reporter, SkStringPrintf("%i", 0).equals("0"));
147
148 char buffer [40];
149 memset(buffer, 'a', 40);
150 REPORTER_ASSERT(reporter, buffer[18] == 'a');
151 REPORTER_ASSERT(reporter, buffer[19] == 'a');
152 REPORTER_ASSERT(reporter, buffer[20] == 'a');
153 printfAnalog(buffer, 20, "%30d", 0);
154 REPORTER_ASSERT(reporter, buffer[18] == ' ');
155 REPORTER_ASSERT(reporter, buffer[19] == 0);
156 REPORTER_ASSERT(reporter, buffer[20] == 'a');
157
158 }
159
160 #include "TestClassDef.h"
161 DEFINE_TESTCLASS("String", StringTestClass, TestString)
162