1 files changed, 122 insertions, 0 deletions

diff --git a/src/tests/stringspeed.cpp b/src/tests/stringspeed.cpp
new file mode 100644
index 0000000..5636de7
--- /dev/null
+++ b/src/tests/stringspeed.cpp
@@ -0,0 +1,122 @@
+#include <bu/string.h>
+
+#include <sys/time.h>
+#include <stdio.h>
+
+void timeit( void (*func)(), const char *sName, int iIter )
+{
+        struct timeval ts, te;
+
+        gettimeofday( &ts, NULL );
+        for( int j = 0; j < iIter; j++ )
+        {
+                func();
+        }
+        gettimeofday( &te, NULL );
+
+        double dTotal = (double)(te.tv_sec-ts.tv_sec) + (double)(te.tv_usec-ts.tv_usec)/1000000.0;
+        printf("%10s:  %f spi (%f total)\n", sName, dTotal/iIter, dTotal );
+}
+
+void append1()
+{
+        Bu::String sTmp;
+        for( int c = 0; c < 5000; c++ )
+        {
+                sTmp += (char)(c%256);
+        }
+}
+
+void append2()
+{
+        Bu::String sTmp;
+        for( int c = 0; c < 5000; c++ )
+        {
+                sTmp.append( (char)(c%256) );
+        }
+}
+
+void append3()
+{
+        Bu::String sTmp;
+        for( int c = 0; c < 5000; c++ )
+        {
+                sTmp += "Test";
+        }
+}
+
+void append4()
+{
+        Bu::String sTmp;
+        for( int c = 0; c < 5000; c++ )
+        {
+                sTmp.append("Test");
+        }
+}
+
+void append5()
+{
+        Bu::String sTmp, sAdd("Test");
+        for( int c = 0; c < 5000; c++ )
+        {
+                sTmp += sAdd;
+        }
+}
+
+void append6()
+{
+        Bu::String sTmp, sAdd("Test");
+        for( int c = 0; c < 5000; c++ )
+        {
+                sTmp.append( sAdd );
+        }
+}
+
+void prepend1()
+{
+        Bu::String sTmp;
+        for( int c = 0; c < 5000; c++ )
+        {
+                sTmp.prepend('c');
+        }
+}
+
+void copy1()
+{
+        Bu::String sSrc;
+        for( int c = 0; c < 1000; c++ )
+        {
+                sSrc += (char)(c%256);
+                Bu::String sTmp = sSrc;
+                sTmp.append( '-' );
+        }
+}
+
+void copy2()
+{
+        Bu::String sSrc;
+        for( int c = 0; c < 1000; c++ )
+        {
+                sSrc += (char)(c%256);
+                Bu::String sTmp = sSrc;
+        }
+}
+
+void replace1()
+{
+        Bu::String s("Hey, this is a replacement test, what do you thing of it?");
+        s.replace("e", "X").replace("a", "X").replace("what","XXX");
+}
+
+int main()
+{
+        timeit( append1, "Append1", 5000 );
+        timeit( append2, "Append2", 5000 );
+        timeit( append3, "Append3", 2000 );
+        timeit( append4, "Append4", 2000 );
+        timeit( append4, "Prepend1", 2000 );
+        timeit( copy1, "Copy1", 2000 );
+        timeit( copy2, "Copy2", 2000 );
+        timeit( replace1, "Replace1", 10000 );
+}
+