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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 | #include <stdlib.h> #include <darwintest.h> #include <libc_private.h> T_DECL(setenv_getenv, "getenv returns value set by setenv") { char *name = "foo"; char *value = "bar"; int setenv_rc = setenv(name, value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char *getenv_result = getenv(name); T_EXPECT_EQ_STR(value, getenv_result, "getenv must return setenv argument"); } T_DECL(setenv_overwrite, "getenv returns the latest setenv argument") { char *name = "foo"; char *first_value = "bar"; char *second_value = "baz"; int setenv_rc = 0; setenv_rc = setenv(name, first_value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); setenv_rc = setenv(name, second_value, 1); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char *getenv_result = getenv(name); T_EXPECT_EQ_STR(second_value, getenv_result, "getenv must return the latest setenv argument"); } T_DECL(setenv_dont_overwrite, "setenv respects overwrite") { char *name = "foo"; char *first_value = "bar"; char *second_value = "baz"; int setenv_rc = 0; setenv_rc = setenv(name, first_value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); setenv_rc = setenv(name, second_value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char *getenv_result = getenv(name); T_EXPECT_EQ_STR(first_value, getenv_result, "the second setenv must not overwrite the first one"); } /* There are tests for leading '=' in values because BSDs used to strip them off: rdar://problem/19342460 */ T_DECL(setenv_accepts_leading_eq_sign, "setenv accepts values starting with '='") { char *name = "foo"; char *value = "=bar"; int setenv_rc = setenv(name, value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char *getenv_result = getenv(name); T_EXPECT_EQ_STR(value, getenv_result, "getenv must return setenv argument"); } T_DECL(setenv_accepts_leading_eq_sign_overwrite, "setenv accepts values starting with '=' when overwriting an existing value") { char *name = "foo"; char *first_value = "bar"; char *second_value = "=baz"; int setenv_rc = 0; setenv_rc = setenv(name, first_value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); setenv_rc = setenv(name, second_value, 1); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char *getenv_result = getenv(name); T_EXPECT_EQ_STR(second_value, getenv_result, "getenv must return the latest setenv argument"); } #pragma mark getenv_copy_np tests T_DECL(getenv_copy_np_returns_null, "getenv_copy_np returns NULL for non-existant variable") { char *name = "alskfjapoeifhapoeifnaslkedfhjalsdkjfalsdkjf"; int unsetenv_rc = unsetenv(name); T_EXPECT_EQ(0, unsetenv_rc, "unsetenv must succeed with 0 return code"); errno = 0; char * getenv_copy_np_result = getenv_copy_np(name); int save_errno = errno; T_EXPECT_NULL(getenv_copy_np_result, "getenv_copy_np reurns NULL for unset environment variable"); T_EXPECT_EQ(0, save_errno, "getenv_copy_np must succeed without setting errno"); } T_DECL(getenv_copy_np_empty, "getenv_copy_np returns empty string") { char *name = "foo"; char *value = ""; int setenv_rc = setenv(name, value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char * getenv_copy_np_result = getenv_copy_np(name); T_EXPECT_EQ_STR(value, getenv_copy_np_result, "getenv_copy_np must return setenv argument"); free(getenv_copy_np_result); } T_DECL(setenv_getenv_copy_np, "getenv_copy_np returns value set by setenv") { char *name = "foo"; char *value = "bar"; int setenv_rc = setenv(name, value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char * getenv_copy_np_result = getenv_copy_np(name); T_EXPECT_EQ_STR(value, getenv_copy_np_result, "getenv_copy_np must return setenv argument"); free(getenv_copy_np_result); } T_DECL(setenv_overwrite_getenv_copy_np, "getenv_copy_np returns the latest setenv argument") { char *name = "foo"; char *first_value = "bar"; char *second_value = "baz"; int setenv_rc = 0; setenv_rc = setenv(name, first_value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); setenv_rc = setenv(name, second_value, 1); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char * getenv_copy_np_result = getenv_copy_np(name); T_EXPECT_EQ_STR(second_value, getenv_copy_np_result, "getenv_copy_np must return the latest setenv argument"); free(getenv_copy_np_result); } T_DECL(setenv_dont_overwrite_getenv_copy_np, "setenv respects overwrite") { char *name = "foo"; char *first_value = "bar"; char *second_value = "baz"; int setenv_rc = 0; setenv_rc = setenv(name, first_value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); setenv_rc = setenv(name, second_value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char * getenv_copy_np_result = getenv_copy_np(name); T_EXPECT_EQ_STR(first_value, getenv_copy_np_result, "the second setenv must not overwrite the first one"); free(getenv_copy_np_result); } /* There are tests for leading '=' in values because BSDs used to strip them off: rdar://problem/19342460 */ T_DECL(setenv_accepts_leading_eq_sign_getenv_copy_np, "setenv accepts values starting with '='") { char *name = "foo"; char *value = "=bar"; int setenv_rc = setenv(name, value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char * getenv_copy_np_result = getenv_copy_np(name); T_EXPECT_EQ_STR(value, getenv_copy_np_result, "getenv_copy_np must return setenv argument"); free(getenv_copy_np_result); } T_DECL(setenv_accepts_leading_eq_sign_overwrite_getenv_copy_np, "setenv accepts values starting with '=' when overwriting an existing value") { char *name = "foo"; char *first_value = "bar"; char *second_value = "=baz"; int setenv_rc = 0; setenv_rc = setenv(name, first_value, 0); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); setenv_rc = setenv(name, second_value, 1); T_EXPECT_EQ(0, setenv_rc, "setenv must succeed with 0 return code"); char * getenv_copy_np_result = getenv_copy_np(name); T_EXPECT_EQ_STR(second_value, getenv_copy_np_result, "getenv_copy_np must return the latest setenv argument"); free(getenv_copy_np_result); } |