Changeset 1587

Timestamp:

28/04/2007 18:14:27 (21 months ago)

Author:

chris

Message:

Test that PartialReadStream? and ReadGatherStream? can handle streams
over 2GB in size. (refs #3)

Files:

• box/chris/merge/test/common/testcommon.cpp (modified) (2 diffs)

box/chris/merge/test/common/testcommon.cpp

@@ -32 +32 @@
 #include "Timer.h"
 #include "Logging.h"
+#include "ZeroStream.h"
+#include "PartialReadStream.h"
 
 #include "MemLeakFindOn.h"
@@ -174 +176 @@
 int test(int argc, const char *argv[])
 {
+        // Test PartialReadStream and ReadGatherStream handling of files
+        // over 2GB (refs #2)
+        {
+                char buffer[8];
+
+                ZeroStream zero(0x80000003);
+                zero.Seek(0x7ffffffe, IOStream::SeekType_Absolute);
+                TEST_THAT(zero.GetPosition() == 0x7ffffffe);
+                TEST_THAT(zero.Read(buffer, 8) == 5);
+                TEST_THAT(zero.GetPosition() == 0x80000003);
+                TEST_THAT(zero.Read(buffer, 8) == 0);
+                zero.Seek(0, IOStream::SeekType_Absolute);
+                TEST_THAT(zero.GetPosition() == 0);
+
+                char* buffer2 = new char [0x1000000];
+                TEST_THAT(buffer2 != NULL);
+
+                PartialReadStream part(zero, 0x80000002);
+                for (int i = 0; i < 0x80; i++)
+                {
+                        int read = part.Read(buffer2, 0x1000000);
+                        TEST_THAT(read == 0x1000000);
+                }
+                TEST_THAT(part.Read(buffer, 8) == 2);
+                TEST_THAT(part.Read(buffer, 8) == 0);
+
+                delete [] buffer2;
+
+                ReadGatherStream gather(false);
+                zero.Seek(0, IOStream::SeekType_Absolute);
+                int component = gather.AddComponent(&zero);
+                gather.AddBlock(component, 0x80000002);
+                TEST_THAT(gather.Read(buffer, 8) == 8);
+        }
+
         // Test self-deleting temporary file streams
         {