From 903e7a1e3d4fe99e9de7f4adc1e401ba871caec9 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Tue, 10 Apr 2007 17:23:35 +0000
Subject: Wrote some cute file unit tests, and added some more error reporting
 to SFile. Also fixed the stream system to use void * pointers instead of char
 *.

---
 src/unit/sfile.cpp | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 81 insertions(+), 3 deletions(-)

(limited to 'src/unit')

diff --git a/src/unit/sfile.cpp b/src/unit/sfile.cpp
index 7b19942..3f52272 100644
--- a/src/unit/sfile.cpp
+++ b/src/unit/sfile.cpp
@@ -1,4 +1,10 @@
 #include "unitsuite.h"
+#include "sfile.h"
+#include "exceptions.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 class Unit : public Bu::UnitSuite
 {
@@ -6,7 +12,10 @@ public:
 	Unit()
 	{
 		setName("SFile");
-		addTest( Unit::test );
+		addTest( Unit::writeFull );
+		addTest( Unit::readBlocks );
+		addTest( Unit::readError1 );
+		addTest( Unit::readError2 );
 	}
 
 	virtual ~Unit() { }
@@ -14,9 +23,78 @@ public:
 	//
 	// Tests go here
 	//
-	void test()
+	void writeFull()
+	{
+		Bu::SFile sf("testfile1", "wb");
+		for( int c = 0; c < 256; c++ )
+		{
+			unsigned char ch = (unsigned char)c;
+			sf.write( &ch, 1 );
+			unitTest( sf.tell() == c+1 );
+		}
+		//unitTest( sf.canRead() == false );
+		//unitTest( sf.canWrite() == true );
+		//unitTest( sf.canSeek() == true );
+		sf.close();
+		struct stat sdat;
+		stat("testfile1", &sdat );
+		unitTest( sdat.st_size == 256 );
+	}
+
+	void readBlocks()
+	{
+		Bu::SFile sf("testfile1", "rb");
+		unsigned char buf[50];
+		size_t total = 0;
+		for(;;)
+		{
+			size_t s = sf.read( buf, 50 );
+			for( size_t c = 0; c < s; c++ )
+			{
+				unitTest( buf[c] == (unsigned char)(c+total) );
+			}
+			total += s;
+			if( s < 50 )
+			{
+				unitTest( total == 256 );
+				unitTest( sf.isEOS() == true );
+				break;
+			}
+		}
+		sf.close();
+	}
+
+	void readError1()
+	{
+		try
+		{
+			Bu::SFile sf("doesn'texist", "rb");
+			unitFailed("No exception thrown");
+		}
+		catch( Bu::FileException &e )
+		{
+			return;
+		}
+	}
+
+	void readError2()
 	{
-		unitTest( 1 == 1 );
+		Bu::SFile sf("testfile1", "rb");
+		char buf[256];
+		int r = sf.read( buf, 256 );
+		unitTest( r == 256 );
+		// You have to read past the end to set the EOS flag.
+		unitTest( sf.isEOS() == false );
+		try
+		{
+			int r = sf.read( buf, 5 );
+			unitFailed("No exception thrown");
+		}
+		catch( Bu::FileException &e )
+		{
+			sf.close();
+			return;
+		}
 	}
 };
 
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