| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include "logging/log.hpp" |
| #include "logging/logConfiguration.hpp" |
| #include "logging/logStream.hpp" |
| #include "memory/resourceArea.hpp" |
| #include "runtime/os.hpp" |
| #include "unittest.hpp" |
| |
| #define LOG_TEST_STRING_LITERAL "a (hopefully) unique log message for testing" |
| |
| static inline bool string_contains_substring(const char* haystack, const char* needle) { |
| return strstr(haystack, needle) != NULL; |
| } |
| |
| static inline bool file_exists(const char* filename) { |
| struct stat st; |
| return os::stat(filename, &st) == 0; |
| } |
| |
| static inline void delete_file(const char* filename) { |
| if (!file_exists(filename)) { |
| return; |
| } |
| int ret = remove(filename); |
| EXPECT_TRUE(ret == 0 || errno == ENOENT) << "failed to remove file '" << filename << "': " |
| << os::strerror(errno) << " (" << errno << ")"; |
| } |
| |
| static inline void create_directory(const char* name) { |
| assert(!file_exists(name), "can't create directory: %s already exists", name); |
| bool failed; |
| #ifdef _WINDOWS |
| failed = !CreateDirectory(name, NULL); |
| #else |
| failed = mkdir(name, 0777); |
| #endif |
| assert(!failed, "failed to create directory %s", name); |
| } |
| |
| static inline void delete_empty_directory(const char* name) { |
| #ifdef _WINDOWS |
| if (!file_exists(name)) { |
| return; |
| } |
| bool failed; |
| failed = !RemoveDirectory(name); |
| EXPECT_FALSE(failed) << "failed to remove directory '" << name |
| << "': LastError = " << GetLastError(); |
| #else |
| delete_file(name); |
| #endif |
| } |
| |
| static inline void init_log_file(const char* filename, const char* options = "") { |
| LogStreamHandle(Error, logging) stream; |
| bool success = LogConfiguration::parse_log_arguments(filename, "logging=trace", "", options, &stream); |
| guarantee(success, "Failed to initialize log file '%s' with options '%s'", filename, options); |
| log_debug(logging)("%s", LOG_TEST_STRING_LITERAL); |
| success = LogConfiguration::parse_log_arguments(filename, "all=off", "", "", &stream); |
| guarantee(success, "Failed to disable logging to file '%s'", filename); |
| } |
| |
| // Read a complete line from fp and return it as a resource allocated string. |
| // Returns NULL on EOF. |
| static inline char* read_line(FILE* fp) { |
| assert(fp != NULL, "invalid fp"); |
| int buflen = 512; |
| char* buf = NEW_RESOURCE_ARRAY(char, buflen); |
| long pos = ftell(fp); |
| |
| char* ret = fgets(buf, buflen, fp); |
| while (ret != NULL && buf[strlen(buf) - 1] != '\n' && !feof(fp)) { |
| // retry with a larger buffer |
| buf = REALLOC_RESOURCE_ARRAY(char, buf, buflen, buflen * 2); |
| buflen *= 2; |
| // rewind to beginning of line |
| fseek(fp, pos, SEEK_SET); |
| // retry read with new buffer |
| ret = fgets(buf, buflen, fp); |
| } |
| return ret; |
| } |
| |
| static bool file_contains_substrings_in_order(const char* filename, const char* substrs[]) { |
| FILE* fp = fopen(filename, "r"); |
| assert(fp != NULL, "error opening file %s: %s", filename, strerror(errno)); |
| |
| size_t idx = 0; |
| while (substrs[idx] != NULL) { |
| ResourceMark rm; |
| char* line = read_line(fp); |
| if (line == NULL) { |
| break; |
| } |
| for (char* match = strstr(line, substrs[idx]); match != NULL;) { |
| size_t match_len = strlen(substrs[idx]); |
| idx++; |
| if (substrs[idx] == NULL) { |
| break; |
| } |
| match = strstr(match + match_len, substrs[idx]); |
| } |
| } |
| |
| fclose(fp); |
| return substrs[idx] == NULL; |
| } |
| |
| static inline bool file_contains_substring(const char* filename, const char* substr) { |
| const char* strs[] = {substr, NULL}; |
| return file_contains_substrings_in_order(filename, strs); |
| } |