string_splitter_unittest.cpp 6.3 KB
Newer Older
gejun's avatar
gejun committed
1
#include <gtest/gtest.h>
2
#include "butil/string_splitter.h"
gejun's avatar
gejun committed
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
#include <stdlib.h>

namespace {
class StringSplitterTest : public ::testing::Test{
protected:
    StringSplitterTest(){};
    virtual ~StringSplitterTest(){};
    virtual void SetUp() {
        srand (time(0));
    };
    virtual void TearDown() {
    };
};


TEST_F(StringSplitterTest, sanity) {
    const char* str = "hello there!   man ";
20
    butil::StringSplitter ss(str, ' ');
gejun's avatar
gejun committed
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
    // "hello"
    ASSERT_TRUE(ss != NULL);
    ASSERT_EQ(5ul, ss.length());
    ASSERT_EQ(ss.field(), str);

    // "there!"
    ++ss;
    ASSERT_NE(ss, (void*)NULL);
    ASSERT_EQ(6ul, ss.length());
    ASSERT_EQ(ss.field(), str+6);

    // "man"
    ++ss;
    ASSERT_TRUE(ss);
    ASSERT_EQ(3ul, ss.length());
    ASSERT_EQ(ss.field(), str+15);

    ++ss;
    ASSERT_FALSE(ss);
    ASSERT_EQ(0ul, ss.length());
    ASSERT_EQ(ss.field(), str + strlen(str));

    // consecutive separators are treated as zero-length field inside
44
    butil::StringSplitter ss2(str, ' ', butil::ALLOW_EMPTY_FIELD);
gejun's avatar
gejun committed
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

    // "hello"
    ASSERT_TRUE(ss2);
    ASSERT_EQ(5ul, ss2.length());
    ASSERT_FALSE(strncmp(ss2.field(), "hello", ss2.length()));

    // "there!"
    ++ss2;
    ASSERT_TRUE(ss2);
    ASSERT_EQ(6ul, ss2.length());
    ASSERT_FALSE(strncmp(ss2.field(), "there!", ss2.length()));

    // ""
    ++ss2;
    ASSERT_TRUE(ss2);
    ASSERT_EQ(0ul, ss2.length());
    ASSERT_EQ(ss2.field(), str+13);

    // ""
    ++ss2;
    ASSERT_TRUE(ss2);
    ASSERT_EQ(0ul, ss2.length());
    ASSERT_EQ(ss2.field(), str+14);
    
    // "man"
    ++ss2;
    ASSERT_TRUE(ss2);
    ASSERT_EQ(3ul, ss2.length());
    ASSERT_EQ(ss2.field(), str+15);

    ++ss2;
    ASSERT_FALSE(ss2);
    ASSERT_EQ(0ul, ss2.length());
    ASSERT_EQ(ss2.field(), str+19);
}


TEST_F(StringSplitterTest, single_word)
{
    const char* str = "apple";
85
    butil::StringSplitter ss(str, ' ');
gejun's avatar
gejun committed
86 87 88 89 90 91 92 93 94 95 96 97 98
    // "apple"
    ASSERT_TRUE(ss);
    ASSERT_EQ(5ul, ss.length());
    ASSERT_EQ(ss.field(), str);

    ++ss;
    ASSERT_FALSE(ss);
    ASSERT_EQ(0ul, ss.length());
    ASSERT_EQ(ss.field(), str+5);
}

TEST_F(StringSplitterTest, starting_with_separator) {
    const char* str = "  apple";
99
    butil::StringSplitter ss(str, ' ');
gejun's avatar
gejun committed
100 101 102 103 104 105 106 107 108 109
    // "apple"
    ASSERT_TRUE(ss);
    ASSERT_EQ(5ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "apple", ss.length()));

    ++ss;
    ASSERT_FALSE(ss);
    ASSERT_EQ(0ul, ss.length());
    ASSERT_EQ(ss.field(), str + strlen(str));

110
    butil::StringSplitter ss2(str, ' ', butil::ALLOW_EMPTY_FIELD);
gejun's avatar
gejun committed
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
    // ""
    ASSERT_TRUE(ss2);
    ASSERT_EQ(0ul, ss2.length());
    ASSERT_EQ(ss2.field(), str);

    // ""
    ++ss2;
    ASSERT_TRUE(ss2);
    ASSERT_EQ(0ul, ss2.length());
    ASSERT_EQ(ss2.field(), str+1);
    
    // "apple"
    ++ss2;
    ASSERT_TRUE(ss2);
    ASSERT_EQ(5ul, ss2.length());
    ASSERT_FALSE(strncmp(ss2.field(), "apple", ss2.length()));

    ++ss2;
    ASSERT_FALSE(ss2);
    ASSERT_EQ(0ul, ss2.length());
    ASSERT_EQ(ss2.field(), str + strlen(str));
}

TEST_F(StringSplitterTest, site_id_as_example) {
    const char* str = "|123|12||1|21|4321";
136
    butil::StringSplitter ss(str, '|');
gejun's avatar
gejun committed
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
    ASSERT_TRUE(ss);
    ASSERT_EQ(3ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "123", ss.length()));

    ss++;
    ASSERT_TRUE(ss);
    ASSERT_EQ(2ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "12", ss.length()));

    ss++;
    ASSERT_TRUE(ss);
    ASSERT_EQ(1ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "1", ss.length()));

    ss++;
    ASSERT_TRUE(ss);
    ASSERT_EQ(2ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "21", ss.length()));

    ss++;
    ASSERT_TRUE(ss);
    ASSERT_EQ(4ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "4321", ss.length()));

    ++ss;
    ASSERT_FALSE(ss);
    ASSERT_EQ(0ul, ss.length());
    ASSERT_EQ(ss.field(), str + strlen(str));
}

TEST_F(StringSplitterTest, number_list) {
    const char* str = " 123,,12,1,  21 4321";
169
    butil::StringMultiSplitter ss(str, ", ");
gejun's avatar
gejun committed
170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210
    ASSERT_TRUE(ss);
    ASSERT_EQ(3ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "123", ss.length()));

    ss++;
    ASSERT_TRUE(ss);
    ASSERT_EQ(2ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "12", ss.length()));

    ss++;
    ASSERT_TRUE(ss);
    ASSERT_EQ(1ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "1", ss.length()));

    ss++;
    ASSERT_TRUE(ss);
    ASSERT_EQ(2ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "21", ss.length()));

    ss++;
    ASSERT_TRUE(ss);
    ASSERT_EQ(4ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "4321", ss.length()));

    ++ss;
    ASSERT_FALSE(ss);
    ASSERT_EQ(0ul, ss.length());
    ASSERT_EQ(ss.field(), str + strlen(str));
}

TEST_F(StringSplitterTest, cast_type) {
    const char* str = "-1\t123\t111\t1\t10\t11\t1.3\t3.1415926\t127\t128\t256";
    int i = 0;
    unsigned int u = 0;
    long l = 0;
    unsigned long ul = 0;
    long long ll = 0;
    unsigned long long ull = 0;
    float f = 0.0;
    double d = 0.0;
    
211
    butil::StringSplitter ss(str, '\t');
gejun's avatar
gejun committed
212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261
    ASSERT_TRUE(ss);

    ASSERT_EQ(0, ss.to_int(&i));
    ASSERT_EQ(-1, i);

    ASSERT_TRUE(++ss);
    ASSERT_EQ(0, ss.to_uint(&u));
    ASSERT_EQ(123u, u);

    ASSERT_TRUE(++ss);
    ASSERT_EQ(0, ss.to_long(&l));
    ASSERT_EQ(111, l);


    ASSERT_TRUE(++ss);
    ASSERT_EQ(0, ss.to_ulong(&ul));
    ASSERT_EQ(1ul, ul);

    ASSERT_TRUE(++ss);
    ASSERT_EQ(0, ss.to_longlong(&ll));
    ASSERT_EQ(10, ll);

    ASSERT_TRUE(++ss);
    ASSERT_EQ(0, ss.to_ulonglong(&ull));
    ASSERT_EQ(11ull, ull);

    ASSERT_TRUE(++ss);
    ASSERT_EQ(0, ss.to_float(&f));
    ASSERT_FLOAT_EQ(1.3, f);

    ASSERT_TRUE(++ss);
    ASSERT_EQ(0, ss.to_double(&d));
    ASSERT_DOUBLE_EQ(3.1415926, d);

    ASSERT_TRUE(++ss);
    int8_t c = 0;
    ASSERT_EQ(0, ss.to_int8(&c));
    ASSERT_EQ(127, c);

    ASSERT_TRUE(++ss);
    uint8_t uc = 0;
    ASSERT_EQ(0, ss.to_uint8(&uc));
    ASSERT_EQ(128U, uc);

    ASSERT_TRUE(++ss);
    ASSERT_EQ(-1, ss.to_uint8(&uc));
}

TEST_F(StringSplitterTest, split_limit_len) {
    const char* str = "1\t123\t111\t1\t10\t11\t1.3\t3.1415926";
262
    butil::StringSplitter ss(str, str + 5, '\t');
gejun's avatar
gejun committed
263 264 265 266 267 268 269 270 271 272 273 274 275 276 277

    ASSERT_TRUE(ss);
    ASSERT_EQ(1ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "1", ss.length()));

    ++ss;
    ASSERT_TRUE(ss);
    ASSERT_EQ(3ul, ss.length());
    ASSERT_FALSE(strncmp(ss.field(), "123", ss.length()));

    ++ss;
    ASSERT_FALSE(ss);
}

}