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-rw-r--r--src/libs/xpcom18a4/xpcom/tests/StringFactoringTests/profile_main.cpp497
1 files changed, 497 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/tests/StringFactoringTests/profile_main.cpp b/src/libs/xpcom18a4/xpcom/tests/StringFactoringTests/profile_main.cpp
new file mode 100644
index 00000000..d7c14621
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/tests/StringFactoringTests/profile_main.cpp
@@ -0,0 +1,497 @@
+// profile_main.cpp
+
+#include "nscore.h"
+#include <iostream.h>
+#include <string>
+#include <iomanip>
+
+#include "nsInt64.h"
+
+#ifdef XP_MAC
+#include <Timer.h>
+#include "Profiler.h"
+#else
+#include "prtime.h"
+#endif
+
+#ifndef TEST_STD_STRING
+#include "nsString.h"
+#else
+#include "nsStdStringWrapper.h"
+typedef nsStdCString nsCString;
+#endif
+
+static const int kTestSucceeded = 0;
+static const int kTestFailed = 1;
+
+static const size_t N = 100000;
+
+
+template <class T>
+inline
+PRUint32
+TotalLength( const T& s )
+ {
+ return s.Length();
+ }
+
+NS_SPECIALIZE_TEMPLATE
+inline
+PRUint32
+TotalLength( const string& s )
+ {
+ return s.length();
+ }
+
+template <class T>
+inline
+PRUint32
+Find( const T& text, const T& pattern )
+ {
+ return text.Find(pattern);
+ }
+
+NS_SPECIALIZE_TEMPLATE
+inline
+PRUint32
+Find( const string& text, const string& pattern )
+ {
+ return text.find(pattern);
+ }
+
+inline
+nsInt64
+GetTime()
+ {
+#ifdef XP_MAC
+ UnsignedWide time;
+ Microseconds(&time);
+ return nsInt64( *reinterpret_cast<PRInt64*>(&time) );
+#else
+ return nsInt64( PR_Now() );
+#endif
+ }
+
+class TestTimer
+ {
+ public:
+ TestTimer() : mStartTime(GetTime()) { }
+
+ ~TestTimer()
+ {
+ nsInt64 stopTime = GetTime();
+ nsInt64 totalTime = stopTime - mStartTime;
+#ifdef HAVE_LONG_LONG
+ cout << setw(10) << NS_STATIC_CAST(PRInt64, totalTime) << " µs : ";
+#else
+ cout << setw(10) << NS_STATIC_CAST(PRInt32, totalTime) << "µs : ";
+#endif
+ }
+
+ private:
+ nsInt64 mStartTime;
+ };
+
+inline
+int
+foo( const nsCString& )
+ {
+ return 1;
+ }
+
+static
+int
+test_construction()
+ {
+ cout << endl;
+
+ {
+ nsCString someCString;
+ int total = 0;
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ total += foo( someCString );
+ }
+ }
+ cout << "null loop time for constructor" << endl;
+
+
+ {
+ int total = 0;
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ total += foo( nsCString() );
+ }
+ }
+ cout << "nsCString()" << endl;
+
+
+ {
+ int total = 0;
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ total += foo( nsCString("This is a reasonable length string with some text in it and it is good.") );
+ }
+ }
+ cout << "nsCString(\"abc\")" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_concat()
+ {
+ cout << endl;
+
+ //---------|---------|---------|---------|---------|---------|---------|
+ nsCString s1("This is a reasonable length string with some text in it and it is good.");
+ nsCString s2("This is another string that I will use in the concatenation test.");
+ nsCString s3("This is yet a third string that I will use in the concatenation test.");
+
+ PRUint32 len = TotalLength( s1 + s2 + s3 + s1 + s2 + s3 );
+ if ( len != (71 + 65 + 69 + 71 + 65 + 69) )
+ {
+ cout << "|test_concat()| FAILED" << endl;
+ return kTestFailed;
+ }
+
+
+ {
+ nsCString anEmptyCString;
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ len += TotalLength( anEmptyCString );
+ }
+ }
+ cout << "null loop time for concat" << endl;
+
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ len += TotalLength( s1 + s2 + s3 + s1 + s2 + s3 );
+ }
+ cout << "TotalLength( s1 + s2 + s3 + s1 + s2 + s3 )" << endl;
+
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ len += TotalLength( s1 + s2 );
+ }
+ cout << "TotalLength( s1 + s2 )" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_concat_and_assign()
+ {
+ //---------|---------|---------|---------|---------|---------|---------|
+ nsCString s1("This is a reasonable length string with some text in it and it is good.");
+ nsCString s2("This is another string that I will use in the concatenation test.");
+ nsCString s3("This is yet a third string that I will use in the concatenation test.");
+
+ nsCString s4( s1 + s2 + s3 + s1 + s2 + s3 );
+ if ( TotalLength(s4) != (71 + 65 + 69 + 71 + 65 + 69) )
+ {
+ cout << "|test_concat()| FAILED" << endl;
+ return kTestFailed;
+ }
+
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ s4 = s1 + s2 + s3 + s1 + s2 + s3;
+ }
+ cout << "s4 = s1 + s2 + s3 + s1 + s2 + s3" << endl;
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ s4 = s1 + s2;
+ }
+ cout << "s4 = s1 + s2" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_compare()
+ {
+ nsCString s1("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxThis is a reasonable length string with some text in it and it is good.");
+ nsCString s2("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxThis is a reasonable length string with some text in it and it is bad.");
+
+ int count = 0;
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ if ( s1 > s2 )
+ ++count;
+ }
+ cout << "s1 > s2" << endl;
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ if ( s1 == s1 )
+ ++count;
+ }
+ cout << "s1 == s1" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_countchar()
+ {
+ nsCString s1("This is a reasonable length string with some text in it and it is good.");
+
+ if ( s1.CountChar('e') != 5 )
+ {
+ cout << "|test_countchar()| FAILED: found a count of " << s1.CountChar('e') << endl;
+ return kTestFailed;
+ }
+
+ PRUint32 total = 0;
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ total += s1.CountChar('e');
+ }
+ cout << "s1.CountChar('e')" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_append_string()
+ {
+ nsCString s1("This is a reasonable length string with some text in it and it is good.");
+ nsCString s2("This is another string that I will use in the concatenation test.");
+
+ PRUint32 len = 0;
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ nsCString s3;
+ s3.Append(s1);
+ s3.Append(s2);
+ len += TotalLength(s3);
+ }
+ }
+ cout << "s3.Append(s1); s3.Append(s2)" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_repeated_append_string()
+ {
+ nsCString s1("This is a reasonable length string with some text in it and it is good.");
+ nsCString s2("This is another string that I will use in the concatenation test.");
+
+ PRUint32 len = 0;
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ nsCString s3;
+ for ( int j=0; j<100; ++j )
+ {
+ s3.Append(s1);
+ s3.Append(s2);
+ len += TotalLength(s3);
+ }
+ }
+ }
+ cout << "repeated s3.Append(s1); s3.Append(s2)" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_append_char()
+ {
+ cout << endl;
+
+ PRUint32 len = 0;
+
+ nsCString s1("hello");
+ PRUint32 oldLength = s1.Length();
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ s1.SetLength(oldLength);
+ }
+ }
+ cout << "null loop time for append char" << endl;
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ s1.Append('e');
+ s1.SetLength(oldLength);
+ }
+ }
+ cout << "s1.Append('e')" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_repeated_append_char()
+ {
+ PRUint32 len = 0;
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ nsCString s1;
+ for ( int j=0; j<1000; ++j )
+ {
+ s1.Append('e');
+ len += TotalLength(s1);
+ }
+ }
+ }
+ cout << "repeated s1.Append('e')" << endl;
+
+ return kTestSucceeded;
+ }
+
+static
+int
+test_insert_string()
+ {
+ nsCString s1("This is a reasonable length string with some text in it and it is good.");
+
+ PRUint32 len = 0;
+
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ {
+ nsCString s2("This is another string that I will use in the concatenation test.");
+ s2.Insert(s1, 3);
+ len += TotalLength(s2);
+ }
+ }
+ cout << "s2.Insert(s1, 3)" << endl;
+
+ return kTestSucceeded;
+ }
+
+#ifndef TEST_STD_STRING
+static
+int
+test_find_string()
+ {
+ nsCString text("aaaaaaaaaab");
+ nsCString pattern("aab");
+
+ PRUint32 position = 0;
+ {
+ TestTimer timer;
+ for ( int i=0; i<N; ++i )
+ position = Find(text, pattern);
+ }
+ cout << "text.Find(pattern)" << endl;
+
+ return kTestSucceeded;
+ }
+#endif
+
+class Profiler
+ {
+ public:
+ Profiler()
+ {
+#if 0
+ ProfilerInit(collectDetailed, bestTimeBase, 100, 32);
+#endif
+ }
+
+ void
+ Dump( const char* output_name )
+ {
+ }
+
+ void
+ Dump( const unsigned char* output_name )
+ {
+#if 0
+ ProfilerDump(output_name);
+#endif
+ }
+
+ ~Profiler()
+ {
+#if 0
+ ProfilerDump(mOutputName);
+ ProfilerTerm();
+#endif
+ }
+ };
+
+int
+main()
+ {
+
+ cout << "String performance profiling. Compiled " __DATE__ " " __TIME__ << endl;
+#ifdef TEST_STD_STRING
+ cout << "Testing std::string." << endl;
+#else
+ cout << "Testing factored nsString." << endl;
+#endif
+
+ int tests_failed = 0;
+
+ Profiler profiler;
+
+ tests_failed += test_construction();
+ tests_failed += test_concat();
+ tests_failed += test_concat_and_assign();
+ tests_failed += test_compare();
+ tests_failed += test_countchar();
+ tests_failed += test_append_string();
+ tests_failed += test_repeated_append_string();
+ tests_failed += test_append_char();
+ tests_failed += test_repeated_append_char();
+ tests_failed += test_insert_string();
+#ifndef TEST_STD_STRING
+ tests_failed += test_find_string();
+#endif
+
+#ifdef TEST_STD_STRING
+ profiler.Dump("\pStandard String.prof");
+#else
+ profiler.Dump("\pFactored String.prof");
+#endif
+
+ if ( tests_failed )
+ cout << "One or more tests FAILED. Measurements may be invalid." << endl;
+
+ cout << "End of string performance profiling." << endl;
+ return 0;
+ }
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