tests/core/strtol.c

   1 #include "clar_libgit2.h"
   2
   3 static void assert_l32_parses(const char *string, int32_t expected, int base)
   4 {
   5         int32_t i;
   6         cl_git_pass(git__strntol32(&i, string, strlen(string), NULL, base));
   7         cl_assert_equal_i(i, expected);
   8 }
   9
  10 static void assert_l32_fails(const char *string, int base)
  11 {
  12         int32_t i;
  13         cl_git_fail(git__strntol32(&i, string, strlen(string), NULL, base));
  14 }
  15
  16 static void assert_l64_parses(const char *string, int64_t expected, int base)
  17 {
  18         int64_t i;
  19         cl_git_pass(git__strntol64(&i, string, strlen(string), NULL, base));
  20         cl_assert_equal_i(i, expected);
  21 }
  22
  23 static void assert_l64_fails(const char *string, int base)
  24 {
  25         int64_t i;
  26         cl_git_fail(git__strntol64(&i, string, strlen(string), NULL, base));
  27 }
  28
  29 void test_core_strtol__int32(void)
  30 {
  31         assert_l32_parses("123", 123, 10);
  32         assert_l32_parses("  +123 ", 123, 10);
  33         assert_l32_parses("  -123 ", -123, 10);
  34         assert_l32_parses("  +2147483647 ", 2147483647, 10);
  35         assert_l32_parses("  -2147483648 ", INT64_C(-2147483648), 10);
  36         assert_l32_parses("A", 10, 16);
  37         assert_l32_parses("1x1", 1, 10);
  38
  39         assert_l32_fails("", 10);
  40         assert_l32_fails("a", 10);
  41         assert_l32_fails("x10x", 10);
  42         assert_l32_fails("  2147483657 ", 10);
  43         assert_l32_fails("  -2147483657 ", 10);
  44 }
  45
  46 void test_core_strtol__int64(void)
  47 {
  48         assert_l64_parses("123", 123, 10);
  49         assert_l64_parses("  +123 ", 123, 10);
  50         assert_l64_parses("  -123 ", -123, 10);
  51         assert_l64_parses("  +2147483647 ", 2147483647, 10);
  52         assert_l64_parses("  -2147483648 ", INT64_C(-2147483648), 10);
  53         assert_l64_parses("  2147483657 ", INT64_C(2147483657), 10);
  54         assert_l64_parses("  -2147483657 ", INT64_C(-2147483657), 10);
  55         assert_l64_parses(" 9223372036854775807  ", INT64_MAX, 10);
  56         assert_l64_parses("   -9223372036854775808  ", INT64_MIN, 10);
  57         assert_l64_parses("   0x7fffffffffffffff  ", INT64_MAX, 16);
  58         assert_l64_parses("   -0x8000000000000000   ", INT64_MIN, 16);
  59         assert_l64_parses("1a", 26, 16);
  60         assert_l64_parses("1A", 26, 16);
  61
  62         assert_l64_fails("", 10);
  63         assert_l64_fails("a", 10);
  64         assert_l64_fails("x10x", 10);
  65         assert_l64_fails("0x8000000000000000", 16);
  66         assert_l64_fails("-0x8000000000000001", 16);
  67 }
  68
  69 void test_core_strtol__base_autodetection(void)
  70 {
  71         assert_l64_parses("0", 0, 0);
  72         assert_l64_parses("00", 0, 0);
  73         assert_l64_parses("0x", 0, 0);
  74         assert_l64_parses("0foobar", 0, 0);
  75         assert_l64_parses("07", 7, 0);
  76         assert_l64_parses("017", 15, 0);
  77         assert_l64_parses("0x8", 8, 0);
  78         assert_l64_parses("0x18", 24, 0);
  79 }
  80
  81 void test_core_strtol__buffer_length_with_autodetection_truncates(void)
  82 {
  83         int64_t i64;
  84
  85         cl_git_pass(git__strntol64(&i64, "011", 2, NULL, 0));
  86         cl_assert_equal_i(i64, 1);
  87         cl_git_pass(git__strntol64(&i64, "0x11", 3, NULL, 0));
  88         cl_assert_equal_i(i64, 1);
  89 }
  90
  91 void test_core_strtol__buffer_length_truncates(void)
  92 {
  93         int32_t i32;
  94         int64_t i64;
  95
  96         cl_git_pass(git__strntol32(&i32, "11", 1, NULL, 10));
  97         cl_assert_equal_i(i32, 1);
  98
  99         cl_git_pass(git__strntol64(&i64, "11", 1, NULL, 10));
 100         cl_assert_equal_i(i64, 1);
 101 }
 102
 103 void test_core_strtol__buffer_length_with_leading_ws_truncates(void)
 104 {
 105         int64_t i64;
 106
 107         cl_git_fail(git__strntol64(&i64, " 1", 1, NULL, 10));
 108
 109         cl_git_pass(git__strntol64(&i64, " 11", 2, NULL, 10));
 110         cl_assert_equal_i(i64, 1);
 111 }
 112
 113 void test_core_strtol__buffer_length_with_leading_sign_truncates(void)
 114 {
 115         int64_t i64;
 116
 117         cl_git_fail(git__strntol64(&i64, "-1", 1, NULL, 10));
 118
 119         cl_git_pass(git__strntol64(&i64, "-11", 2, NULL, 10));
 120         cl_assert_equal_i(i64, -1);
 121 }
 122
 123 void test_core_strtol__error_message_cuts_off(void)
 124 {
 125         assert_l32_fails("2147483657foobar", 10);
 126         cl_assert(strstr(git_error_last()->message, "2147483657") != NULL);
 127         cl_assert(strstr(git_error_last()->message, "foobar") == NULL);
 128 }