1 /* Copyright (c) 2014, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15 #include <stdio.h>
16 #include <string.h>
17
18 #include <gtest/gtest.h>
19
20 #include <openssl/crypto.h>
21 #include <openssl/err.h>
22 #include <openssl/mem.h>
23
24
TEST(ErrTest,Overflow)25 TEST(ErrTest, Overflow) {
26 for (unsigned i = 0; i < ERR_NUM_ERRORS*2; i++) {
27 ERR_put_error(1, 0 /* unused */, i+1, "test", 1);
28 }
29
30 for (unsigned i = 0; i < ERR_NUM_ERRORS - 1; i++) {
31 SCOPED_TRACE(i);
32 uint32_t err = ERR_get_error();
33 /* Errors are returned in order they were pushed, with the least recent ones
34 * removed, up to |ERR_NUM_ERRORS - 1| errors. So the errors returned are
35 * |ERR_NUM_ERRORS + 2| through |ERR_NUM_ERRORS * 2|, inclusive. */
36 EXPECT_NE(0u, err);
37 EXPECT_EQ(static_cast<int>(i + ERR_NUM_ERRORS + 2), ERR_GET_REASON(err));
38 }
39
40 EXPECT_EQ(0u, ERR_get_error());
41 }
42
TEST(ErrTest,PutError)43 TEST(ErrTest, PutError) {
44 ASSERT_EQ(0u, ERR_get_error())
45 << "ERR_get_error returned value before an error was added.";
46
47 ERR_put_error(1, 0 /* unused */, 2, "test", 4);
48 ERR_add_error_data(1, "testing");
49
50 int peeked_line, line, peeked_flags, flags;
51 const char *peeked_file, *file, *peeked_data, *data;
52 uint32_t peeked_packed_error =
53 ERR_peek_error_line_data(&peeked_file, &peeked_line, &peeked_data,
54 &peeked_flags);
55 uint32_t packed_error = ERR_get_error_line_data(&file, &line, &data, &flags);
56
57 EXPECT_EQ(peeked_packed_error, packed_error);
58 EXPECT_EQ(peeked_file, file);
59 EXPECT_EQ(peeked_data, data);
60 EXPECT_EQ(peeked_flags, flags);
61
62 EXPECT_STREQ("test", file);
63 EXPECT_EQ(4, line);
64 EXPECT_TRUE(flags & ERR_FLAG_STRING);
65 EXPECT_EQ(1, ERR_GET_LIB(packed_error));
66 EXPECT_EQ(2, ERR_GET_REASON(packed_error));
67 EXPECT_STREQ("testing", data);
68 }
69
TEST(ErrTest,ClearError)70 TEST(ErrTest, ClearError) {
71 ASSERT_EQ(0u, ERR_get_error())
72 << "ERR_get_error returned value before an error was added.";
73
74 ERR_put_error(1, 0 /* unused */, 2, "test", 4);
75 ERR_clear_error();
76
77 // The error queue should be cleared.
78 EXPECT_EQ(0u, ERR_get_error());
79 }
80
TEST(ErrTest,Print)81 TEST(ErrTest, Print) {
82 ERR_put_error(1, 0 /* unused */, 2, "test", 4);
83 ERR_add_error_data(1, "testing");
84 uint32_t packed_error = ERR_get_error();
85
86 char buf[256];
87 for (size_t i = 0; i <= sizeof(buf); i++) {
88 ERR_error_string_n(packed_error, buf, i);
89 }
90 }
91
TEST(ErrTest,Release)92 TEST(ErrTest, Release) {
93 ERR_put_error(1, 0 /* unused */, 2, "test", 4);
94 ERR_remove_thread_state(NULL);
95
96 // The error queue should be cleared.
97 EXPECT_EQ(0u, ERR_get_error());
98 }
99
HasSuffix(const char * str,const char * suffix)100 static bool HasSuffix(const char *str, const char *suffix) {
101 size_t suffix_len = strlen(suffix);
102 size_t str_len = strlen(str);
103 if (str_len < suffix_len) {
104 return false;
105 }
106 return strcmp(str + str_len - suffix_len, suffix) == 0;
107 }
108
TEST(ErrTest,PutMacro)109 TEST(ErrTest, PutMacro) {
110 int expected_line = __LINE__ + 1;
111 OPENSSL_PUT_ERROR(USER, ERR_R_INTERNAL_ERROR);
112
113 int line;
114 const char *file;
115 uint32_t error = ERR_get_error_line(&file, &line);
116
117 EXPECT_PRED2(HasSuffix, file, "err_test.cc");
118 EXPECT_EQ(expected_line, line);
119 EXPECT_EQ(ERR_LIB_USER, ERR_GET_LIB(error));
120 EXPECT_EQ(ERR_R_INTERNAL_ERROR, ERR_GET_REASON(error));
121 }
122