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| 1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "bootstat.h" |
| 6 |
| 7 #include <errno.h> |
| 8 #include <unistd.h> |
| 9 |
| 10 #include <string> |
| 11 #include <iostream> |
| 12 |
| 13 #include <gtest/gtest.h> |
| 14 |
| 15 namespace { |
| 16 |
| 17 using std::string; |
| 18 |
| 19 static const char kMostVoluminousEventName[] = |
| 20 // 16 32 48 64 |
| 21 "event-6789abcdef_123456789ABCDEF.123456789abcdef0123456789abcdef" // 64 |
| 22 "event-6789abcdef_123456789ABCDEF.123456789abcdef0123456789abcdef" // 128 |
| 23 "event-6789abcdef_123456789ABCDEF.123456789abcdef0123456789abcdef" // 191 |
| 24 "event-6789abcdef_123456789ABCDEF.123456789abcdef0123456789abcdef" // 256 |
| 25 ; |
| 26 |
| 27 static const string kUptimeFileNamePrefix("/tmp/uptime-"); |
| 28 static const string kDiskStatFileNamePrefix("/tmp/disk-"); |
| 29 |
| 30 static void TestEventFileAccess(const string& file_name) { |
| 31 int rv = access(file_name.c_str(), R_OK | W_OK); |
| 32 EXPECT_EQ(rv, 0) << "access to " << file_name |
| 33 << " failed: " << strerror(errno); |
| 34 (void) unlink(file_name.c_str()); |
| 35 } |
| 36 |
| 37 static void TestEventByName(const string& event_name) { |
| 38 bootstat_log(event_name.c_str()); |
| 39 string truncated_event(event_name.substr(0, BOOTSTAT_MAX_EVENT_LEN - 1)); |
| 40 TestEventFileAccess(kUptimeFileNamePrefix + truncated_event); |
| 41 TestEventFileAccess(kDiskStatFileNamePrefix + truncated_event); |
| 42 } |
| 43 |
| 44 // Tests that name truncation of logged events works as advertised |
| 45 TEST(BoostatTest, EventNameTruncation) { |
| 46 string very_long(kMostVoluminousEventName); |
| 47 |
| 48 TestEventByName(very_long); |
| 49 TestEventByName(very_long.substr(0, 1)); |
| 50 TestEventByName(very_long.substr(0, 16)); |
| 51 TestEventByName(very_long.substr(0, BOOTSTAT_MAX_EVENT_LEN - 1)); |
| 52 TestEventByName(very_long.substr(0, BOOTSTAT_MAX_EVENT_LEN)); |
| 53 } |
| 54 |
| 55 } // namespace |
| 56 |
| 57 int main(int argc, char** argv) { |
| 58 testing::InitGoogleTest(&argc, argv); |
| 59 return RUN_ALL_TESTS(); |
| 60 } |
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