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/* Copyright (c) 2014, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <stdio.h>
#include <string.h>
#include <gtest/gtest.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/mem.h>
TEST(ErrTest, Overflow) {
for (unsigned i = 0; i < ERR_NUM_ERRORS*2; i++) {
ERR_put_error(1, 0 /* unused */, i+1, "test", 1);
}
for (unsigned i = 0; i < ERR_NUM_ERRORS - 1; i++) {
SCOPED_TRACE(i);
uint32_t err = ERR_get_error();
/* Errors are returned in order they were pushed, with the least recent ones
* removed, up to |ERR_NUM_ERRORS - 1| errors. So the errors returned are
* |ERR_NUM_ERRORS + 2| through |ERR_NUM_ERRORS * 2|, inclusive. */
EXPECT_NE(0u, err);
EXPECT_EQ(static_cast<int>(i + ERR_NUM_ERRORS + 2), ERR_GET_REASON(err));
}
EXPECT_EQ(0u, ERR_get_error());
}
TEST(ErrTest, PutError) {
ASSERT_EQ(0u, ERR_get_error())
<< "ERR_get_error returned value before an error was added.";
ERR_put_error(1, 0 /* unused */, 2, "test", 4);
ERR_add_error_data(1, "testing");
int peeked_line, line, peeked_flags, flags;
const char *peeked_file, *file, *peeked_data, *data;
uint32_t peeked_packed_error =
ERR_peek_error_line_data(&peeked_file, &peeked_line, &peeked_data,
&peeked_flags);
uint32_t packed_error = ERR_get_error_line_data(&file, &line, &data, &flags);
EXPECT_EQ(peeked_packed_error, packed_error);
EXPECT_EQ(peeked_file, file);
EXPECT_EQ(peeked_data, data);
EXPECT_EQ(peeked_flags, flags);
EXPECT_STREQ("test", file);
EXPECT_EQ(4, line);
EXPECT_TRUE(flags & ERR_FLAG_STRING);
EXPECT_EQ(1, ERR_GET_LIB(packed_error));
EXPECT_EQ(2, ERR_GET_REASON(packed_error));
EXPECT_STREQ("testing", data);
}
TEST(ErrTest, ClearError) {
ASSERT_EQ(0u, ERR_get_error())
<< "ERR_get_error returned value before an error was added.";
ERR_put_error(1, 0 /* unused */, 2, "test", 4);
ERR_clear_error();
// The error queue should be cleared.
EXPECT_EQ(0u, ERR_get_error());
}
TEST(ErrTest, Print) {
ERR_put_error(1, 0 /* unused */, 2, "test", 4);
ERR_add_error_data(1, "testing");
uint32_t packed_error = ERR_get_error();
char buf[256];
for (size_t i = 0; i <= sizeof(buf); i++) {
ERR_error_string_n(packed_error, buf, i);
}
}
TEST(ErrTest, Release) {
ERR_put_error(1, 0 /* unused */, 2, "test", 4);
ERR_remove_thread_state(NULL);
// The error queue should be cleared.
EXPECT_EQ(0u, ERR_get_error());
}
static bool HasSuffix(const char *str, const char *suffix) {
size_t suffix_len = strlen(suffix);
size_t str_len = strlen(str);
if (str_len < suffix_len) {
return false;
}
return strcmp(str + str_len - suffix_len, suffix) == 0;
}
TEST(ErrTest, PutMacro) {
int expected_line = __LINE__ + 1;
OPENSSL_PUT_ERROR(USER, ERR_R_INTERNAL_ERROR);
int line;
const char *file;
uint32_t error = ERR_get_error_line(&file, &line);
EXPECT_PRED2(HasSuffix, file, "err_test.cc");
EXPECT_EQ(expected_line, line);
EXPECT_EQ(ERR_LIB_USER, ERR_GET_LIB(error));
EXPECT_EQ(ERR_R_INTERNAL_ERROR, ERR_GET_REASON(error));
}
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