ebdf1d1e5b
Review URL: http://codereview.chromium.org/115123 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1901 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
// Copyright 2006-2009 the V8 project authors. All rights reserved.
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//
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// Tests of logging functions from log.h
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#ifdef ENABLE_LOGGING_AND_PROFILING
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#include "v8.h"
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#include "log.h"
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#include "cctest.h"
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using v8::internal::Logger;
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static void SetUp() {
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// Log to memory buffer.
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v8::internal::FLAG_logfile = "*";
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v8::internal::FLAG_log = true;
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Logger::Setup();
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}
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static void TearDown() {
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Logger::TearDown();
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}
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TEST(EmptyLog) {
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SetUp();
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CHECK_EQ(0, Logger::GetLogLines(0, NULL, 0));
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CHECK_EQ(0, Logger::GetLogLines(100, NULL, 0));
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CHECK_EQ(0, Logger::GetLogLines(0, NULL, 100));
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CHECK_EQ(0, Logger::GetLogLines(100, NULL, 100));
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TearDown();
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}
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TEST(GetMessages) {
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SetUp();
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Logger::StringEvent("aaa", "bbb");
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Logger::StringEvent("cccc", "dddd");
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CHECK_EQ(0, Logger::GetLogLines(0, NULL, 0));
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char log_lines[100];
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memset(log_lines, 0, sizeof(log_lines));
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// Requesting data size which is smaller than first log message length.
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CHECK_EQ(0, Logger::GetLogLines(0, log_lines, 3));
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// See Logger::StringEvent.
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const char* line_1 = "aaa,\"bbb\"\n";
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const int line_1_len = strlen(line_1);
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// Still smaller than log message length.
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CHECK_EQ(0, Logger::GetLogLines(0, log_lines, line_1_len - 1));
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// The exact size.
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CHECK_EQ(line_1_len, Logger::GetLogLines(0, log_lines, line_1_len));
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CHECK_EQ(line_1, log_lines);
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memset(log_lines, 0, sizeof(log_lines));
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// A bit more than the first line length.
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CHECK_EQ(line_1_len, Logger::GetLogLines(0, log_lines, line_1_len + 3));
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CHECK_EQ(line_1, log_lines);
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memset(log_lines, 0, sizeof(log_lines));
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const char* line_2 = "cccc,\"dddd\"\n";
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const int line_2_len = strlen(line_2);
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// Now start with line_2 beginning.
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CHECK_EQ(0, Logger::GetLogLines(line_1_len, log_lines, 0));
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CHECK_EQ(0, Logger::GetLogLines(line_1_len, log_lines, 3));
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CHECK_EQ(0, Logger::GetLogLines(line_1_len, log_lines, line_2_len - 1));
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CHECK_EQ(line_2_len, Logger::GetLogLines(line_1_len, log_lines, line_2_len));
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CHECK_EQ(line_2, log_lines);
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memset(log_lines, 0, sizeof(log_lines));
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CHECK_EQ(line_2_len,
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Logger::GetLogLines(line_1_len, log_lines, line_2_len + 3));
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CHECK_EQ(line_2, log_lines);
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memset(log_lines, 0, sizeof(log_lines));
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// Now get entire buffer contents.
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const char* all_lines = "aaa,\"bbb\"\ncccc,\"dddd\"\n";
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const int all_lines_len = strlen(all_lines);
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CHECK_EQ(all_lines_len, Logger::GetLogLines(0, log_lines, all_lines_len));
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CHECK_EQ(all_lines, log_lines);
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memset(log_lines, 0, sizeof(log_lines));
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CHECK_EQ(all_lines_len, Logger::GetLogLines(0, log_lines, all_lines_len + 3));
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CHECK_EQ(all_lines, log_lines);
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memset(log_lines, 0, sizeof(log_lines));
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TearDown();
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}
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TEST(BeyondWritePosition) {
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SetUp();
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Logger::StringEvent("aaa", "bbb");
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Logger::StringEvent("cccc", "dddd");
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// See Logger::StringEvent.
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const char* all_lines = "aaa,\"bbb\"\ncccc,\"dddd\"\n";
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const int all_lines_len = strlen(all_lines);
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CHECK_EQ(0, Logger::GetLogLines(all_lines_len, NULL, 1));
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CHECK_EQ(0, Logger::GetLogLines(all_lines_len, NULL, 100));
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CHECK_EQ(0, Logger::GetLogLines(all_lines_len + 1, NULL, 1));
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CHECK_EQ(0, Logger::GetLogLines(all_lines_len + 1, NULL, 100));
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CHECK_EQ(0, Logger::GetLogLines(all_lines_len + 100, NULL, 1));
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CHECK_EQ(0, Logger::GetLogLines(all_lines_len + 100, NULL, 100));
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CHECK_EQ(0, Logger::GetLogLines(10 * 1024 * 1024, NULL, 1));
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CHECK_EQ(0, Logger::GetLogLines(10 * 1024 * 1024, NULL, 100));
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TearDown();
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}
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TEST(MemoryLoggingTurnedOff) {
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// Log to stdout
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v8::internal::FLAG_logfile = "-";
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v8::internal::FLAG_log = true;
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Logger::Setup();
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CHECK_EQ(0, Logger::GetLogLines(0, NULL, 0));
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CHECK_EQ(0, Logger::GetLogLines(100, NULL, 0));
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CHECK_EQ(0, Logger::GetLogLines(0, NULL, 100));
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CHECK_EQ(0, Logger::GetLogLines(100, NULL, 100));
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Logger::TearDown();
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}
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#endif // ENABLE_LOGGING_AND_PROFILING
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