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add some byte swapping tests based on mySTEP

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@36141 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2013-02-15 09:35:45 +00:00
parent 862da70b18
commit 778ec037c4
1 changed files with 56 additions and 0 deletions
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56
Tests/base/Functions/NSByteSwapping.m Normal file
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@ -0,0 +1,56 @@
#import <Foundation/Foundation.h>
#import "Testing.h"
int main()
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
id o;
float flt=M_PI;
double dbl=M_PI;
PASS(NSSwapShort(0x1234) == (unsigned short)0x3412, "NSSwapShort works");
if (sizeof(long) == 4)
{
PASS(NSSwapLong(0x12345678L) == 0x78563412UL, "NSSwapLong works");
}
else if (sizeof(long) == 8)
{
PASS(NSSwapLongLong(0x123456789abcdef0LL) == 0xf0debc9a78563412LL,
"NSSwapLongLong works");
}
if (sizeof(long long) == 8)
{
PASS(NSSwapLongLong(0x123456789abcdef0LL) == 0xf0debc9a78563412LL,
"NSSwapLongLong works");
}
PASS(NSSwapBigFloatToHost(*((NSSwappedFloat *)&flt))
== ((NSHostByteOrder() == NS_LittleEndian)
? (float)-40331460896358400.0
: (float)M_PI),
"NSSwapBigFloatToHost works");
PASS(NSSwapLittleFloatToHost(*((NSSwappedFloat *)&flt))
== ((NSHostByteOrder() == NS_BigEndian)
? (float)-40331460896358400.0
: (float)M_PI),
"NSSwapLittleFloatToHost works");
PASS(NSSwapBigDoubleToHost(*((NSSwappedDouble *)&dbl))
== ((NSHostByteOrder() == NS_LittleEndian)
? 3.20737563067636581208678536384e-192
: M_PI),
"NSSwapBigDoubleToHost works");
PASS(NSSwapLittleDoubleToHost(*((NSSwappedDouble *)&dbl))
== ((NSHostByteOrder() == NS_BigEndian)
? 3.20737563067636581208678536384e-192
: M_PI),
"NSSwapLittleDoubleToHost wworks");
[pool release]; pool = nil;
return 0;
}