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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* TODO: insert short description here
*//*
* Authors: see git history
*
* Copyright (C) 2018 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <cxxtest/TestSuite.h>
#include "svg/svg-length.h"
#include <glib.h>
#include <utility>
// function internal to svg-length.cpp:
gchar const *sp_svg_length_get_css_units(SVGLength::Unit unit);
class SvgLengthTest : public CxxTest::TestSuite
{
private:
struct test_t {
char const* str; SVGLength::Unit unit; float value; float computed;
};
struct testd_t {
char const* str; double val; int prec; int minexp;
};
static test_t const absolute_tests[12];
static test_t const relative_tests[3];
static char const * fail_tests[8];
public:
SvgLengthTest() {
}
// createSuite and destroySuite get us per-suite setup and teardown
// without us having to worry about static initialization order, etc.
static SvgLengthTest *createSuite() { return new SvgLengthTest(); }
static void destroySuite( SvgLengthTest *suite ) { delete suite; }
void testRead()
{
for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
SVGLength len;
TSM_ASSERT(absolute_tests[i].str , len.read(absolute_tests[i].str));
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.unit , absolute_tests[i].unit);
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.value , absolute_tests[i].value);
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.computed , absolute_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
SVGLength len;
TSM_ASSERT(relative_tests[i].str , len.read(relative_tests[i].str));
len.update(7,13,19);
TSM_ASSERT_EQUALS(relative_tests[i].str , len.unit , relative_tests[i].unit);
TSM_ASSERT_EQUALS(relative_tests[i].str , len.value , relative_tests[i].value);
TSM_ASSERT_EQUALS(relative_tests[i].str , len.computed , relative_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
SVGLength len;
TSM_ASSERT(fail_tests[i] , !len.read(fail_tests[i]));
}
}
void testReadOrUnset()
{
for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
SVGLength len;
len.readOrUnset(absolute_tests[i].str);
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.unit , absolute_tests[i].unit);
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.value , absolute_tests[i].value);
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.computed , absolute_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
SVGLength len;
len.readOrUnset(relative_tests[i].str);
len.update(7,13,19);
TSM_ASSERT_EQUALS(relative_tests[i].str , len.unit , relative_tests[i].unit);
TSM_ASSERT_EQUALS(relative_tests[i].str , len.value , relative_tests[i].value);
TSM_ASSERT_EQUALS(relative_tests[i].str , len.computed , relative_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
SVGLength len;
len.readOrUnset(fail_tests[i], SVGLength::INCH, 123, 456);
TSM_ASSERT_EQUALS(fail_tests[i] , len.unit , SVGLength::INCH);
TSM_ASSERT_EQUALS(fail_tests[i] , len.value , 123);
TSM_ASSERT_EQUALS(fail_tests[i] , len.computed , 456);
}
}
void testReadAbsolute()
{
for(size_t i=0; i<G_N_ELEMENTS(absolute_tests); i++) {
SVGLength len;
TSM_ASSERT(absolute_tests[i].str , len.readAbsolute(absolute_tests[i].str));
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.unit , absolute_tests[i].unit);
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.value , absolute_tests[i].value);
TSM_ASSERT_EQUALS(absolute_tests[i].str , len.computed , absolute_tests[i].computed);
}
for(size_t i=0; i<G_N_ELEMENTS(relative_tests); i++) {
SVGLength len;
TSM_ASSERT(relative_tests[i].str , !len.readAbsolute(relative_tests[i].str));
}
for(size_t i=0; i<G_N_ELEMENTS(fail_tests); i++) {
SVGLength len;
TSM_ASSERT(fail_tests[i] , !len.readAbsolute(fail_tests[i]));
}
}
void testEnumMappedToString()
{
for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
// PX is a special case where we don't have a unit string
if ( (target != SVGLength::PX) ) {
gchar const* val = sp_svg_length_get_css_units(target);
TSM_ASSERT_DIFFERS(i, val, "");
}
}
}
// Ensure that all unit suffix strings used are allowed by SVG
void testStringsAreValidSVG()
{
gchar const* valid[] = {"", "em", "ex", "px", "pt", "pc", "cm", "mm", "in", "%"};
std::set<std::string> validStrings(valid, valid + G_N_ELEMENTS(valid));
for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
gchar const* val = sp_svg_length_get_css_units(target);
TSM_ASSERT(i, validStrings.find(std::string(val)) != validStrings.end());
}
}
// Ensure that all unit suffix strings allowed by SVG are covered by enum
void testValidSVGStringsSupported()
{
// Note that "px" is omitted from the list, as it will be assumed to be so if not explicitly set.
gchar const* valid[] = {"em", "ex", "pt", "pc", "cm", "mm", "in", "%"};
std::set<std::string> validStrings(valid, valid + G_N_ELEMENTS(valid));
for ( int i = (static_cast<int>(SVGLength::NONE) + 1); i <= static_cast<int>(SVGLength::LAST_UNIT); i++ ) {
SVGLength::Unit target = static_cast<SVGLength::Unit>(i);
gchar const* val = sp_svg_length_get_css_units(target);
std::set<std::string>::iterator iter = validStrings.find(std::string(val));
if (iter != validStrings.end()) {
validStrings.erase(iter);
}
}
TSM_ASSERT_EQUALS(validStrings, validStrings.size(), 0u);
}
void testPlaces()
{
testd_t const precTests[] = {
{"760", 761.92918978947023, 2, -8},
{"761.9", 761.92918978947023, 4, -8},
};
for ( size_t i = 0; i < G_N_ELEMENTS(precTests); i++ ) {
char buf[256] = {0};
memset(buf, 0xCC, sizeof(buf)); // Make it easy to detect an overrun.
unsigned int retval = sp_svg_number_write_de( buf, sizeof(buf), precTests[i].val, precTests[i].prec, precTests[i].minexp );
TSM_ASSERT_EQUALS("Number of chars written", retval, strlen(precTests[i].str));
TSM_ASSERT_EQUALS("Numeric string written", std::string(buf), std::string(precTests[i].str));
TSM_ASSERT_EQUALS(std::string("Buffer overrun ") + precTests[i].str, '\xCC', buf[retval + 1]);
}
}
// TODO: More tests
};
SvgLengthTest::test_t const SvgLengthTest::absolute_tests[12] = {
{"0", SVGLength::NONE, 0 , 0},
{"1", SVGLength::NONE, 1 , 1},
{"1.00001", SVGLength::NONE, 1.00001 , 1.00001},
{"1px", SVGLength::PX , 1 , 1},
{".1px", SVGLength::PX , 0.1 , 0.1},
{"100pt", SVGLength::PT , 100 , 400.0/3.0},
{"1e2pt", SVGLength::PT , 100 , 400.0/3.0},
{"3pc", SVGLength::PC , 3 , 48},
{"-3.5pc", SVGLength::PC , -3.5 , -3.5*16.0},
{"1.2345678mm", SVGLength::MM , 1.2345678, 1.2345678f*96.0/25.4}, // TODO: More precise constants? (a 7 digit constant when the default precision is 8 digits?)
{"123.45678cm", SVGLength::CM , 123.45678 , 123.45678f*96.0/2.54}, // Note that svg_length_read is casting the result from g_ascii_strtod to float.
{"73.162987in", SVGLength::INCH, 73.162987 , 73.162987f*96.0/1.00}};
SvgLengthTest::test_t const SvgLengthTest::relative_tests[3] = {
{"123em", SVGLength::EM, 123, 123. * 7.},
{"123ex", SVGLength::EX, 123, 123. * 13.},
{"123%", SVGLength::PERCENT, 1.23, 1.23 * 19.}};
char const * SvgLengthTest::fail_tests[8] = {
"123 px",
"123e",
"123e+m",
"123ec",
"123pxt",
"--123",
"",
"px"};
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
|
