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
|
#include <hyprutils/string/Numeric.hpp>
#include <gtest/gtest.h>
#include <cstdint>
#include <limits>
using namespace Hyprutils::String;
TEST(Numeric, intSuccess) {
auto r = strToNumber<int>("42");
ASSERT_TRUE(r.has_value());
EXPECT_EQ(*r, 42);
auto neg = strToNumber<int>("-7");
ASSERT_TRUE(neg.has_value());
EXPECT_EQ(*neg, -7);
auto zero = strToNumber<int>("0");
ASSERT_TRUE(zero.has_value());
EXPECT_EQ(*zero, 0);
}
TEST(Numeric, intBounds) {
const auto maxStr = std::to_string(std::numeric_limits<int32_t>::max());
auto rMax = strToNumber<int32_t>(maxStr);
ASSERT_TRUE(rMax.has_value());
EXPECT_EQ(*rMax, std::numeric_limits<int32_t>::max());
const auto minStr = std::to_string(std::numeric_limits<int32_t>::min());
auto rMin = strToNumber<int32_t>(minStr);
ASSERT_TRUE(rMin.has_value());
EXPECT_EQ(*rMin, std::numeric_limits<int32_t>::min());
}
TEST(Numeric, outOfRange) {
auto r = strToNumber<int8_t>("999");
ASSERT_FALSE(r.has_value());
EXPECT_EQ(r.error(), NUMERIC_PARSE_OUT_OF_RANGE);
// from_chars rejects '-' for unsigned types as invalid argument, not out-of-range
auto r2 = strToNumber<uint8_t>("-1");
ASSERT_FALSE(r2.has_value());
EXPECT_EQ(r2.error(), NUMERIC_PARSE_BAD);
}
TEST(Numeric, garbage) {
auto r = strToNumber<int>("12abc");
ASSERT_FALSE(r.has_value());
EXPECT_EQ(r.error(), NUMERIC_PARSE_GARBAGE);
auto r2 = strToNumber<double>("1.0xyz");
ASSERT_FALSE(r2.has_value());
EXPECT_EQ(r2.error(), NUMERIC_PARSE_GARBAGE);
}
TEST(Numeric, bad) {
auto r = strToNumber<int>("");
ASSERT_FALSE(r.has_value());
EXPECT_EQ(r.error(), NUMERIC_PARSE_BAD);
auto r2 = strToNumber<int>("abc");
ASSERT_FALSE(r2.has_value());
EXPECT_EQ(r2.error(), NUMERIC_PARSE_BAD);
auto r3 = strToNumber<int>("--1");
ASSERT_FALSE(r3.has_value());
EXPECT_EQ(r3.error(), NUMERIC_PARSE_BAD);
}
TEST(Numeric, floatSuccess) {
auto r = strToNumber<double>("3.14");
ASSERT_TRUE(r.has_value());
EXPECT_DOUBLE_EQ(*r, 3.14);
auto neg = strToNumber<float>("-0.5");
ASSERT_TRUE(neg.has_value());
EXPECT_FLOAT_EQ(*neg, -0.5f);
auto whole = strToNumber<double>("100");
ASSERT_TRUE(whole.has_value());
EXPECT_DOUBLE_EQ(*whole, 100.0);
}
TEST(Numeric, unsignedTypes) {
auto r = strToNumber<uint64_t>("18446744073709551615");
ASSERT_TRUE(r.has_value());
EXPECT_EQ(*r, std::numeric_limits<uint64_t>::max());
auto r2 = strToNumber<uint32_t>("0");
ASSERT_TRUE(r2.has_value());
EXPECT_EQ(*r2, 0u);
}
TEST(Numeric, hexSuccess) {
auto r = strToNumber<int>("0xAF23");
ASSERT_TRUE(r.has_value());
EXPECT_EQ(*r, 0xAF23);
auto r2 = strToNumber<uint32_t>("0xFF");
ASSERT_TRUE(r2.has_value());
EXPECT_EQ(*r2, 0xFFu);
auto r3 = strToNumber<uint64_t>("0xDEADBEEF");
ASSERT_TRUE(r3.has_value());
EXPECT_EQ(*r3, 0xDEADBEEFu);
// uppercase X prefix
auto r4 = strToNumber<int>("0XFF");
ASSERT_TRUE(r4.has_value());
EXPECT_EQ(*r4, 0xFF);
// lowercase hex digits
auto r5 = strToNumber<uint32_t>("0xdeadbeef");
ASSERT_TRUE(r5.has_value());
EXPECT_EQ(*r5, 0xDEADBEEFu);
// zero value
auto r6 = strToNumber<int>("0x0");
ASSERT_TRUE(r6.has_value());
EXPECT_EQ(*r6, 0);
}
TEST(Numeric, hexErrors) {
// incomplete prefix (just "0x")
auto r = strToNumber<int>("0x");
ASSERT_FALSE(r.has_value());
EXPECT_EQ(r.error(), NUMERIC_PARSE_BAD);
// garbage after valid hex digits
auto r2 = strToNumber<int>("0xFF_ZZ");
ASSERT_FALSE(r2.has_value());
EXPECT_EQ(r2.error(), NUMERIC_PARSE_GARBAGE);
// out of range for type
auto r3 = strToNumber<uint8_t>("0xFFF");
ASSERT_FALSE(r3.has_value());
EXPECT_EQ(r3.error(), NUMERIC_PARSE_OUT_OF_RANGE);
// floats do not accept hex prefix
auto r4 = strToNumber<double>("0xFF");
ASSERT_FALSE(r4.has_value());
EXPECT_EQ(r4.error(), NUMERIC_PARSE_GARBAGE);
}
|
