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string.bas
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string.bas
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#include "fbcunit.bi"
#include "fbc-int/string.bi"
'' tests for string descriptor internals and low level string functions
#ifndef NULL
#define NULL cast( const any ptr, 0 )
#endif
SUITE( fbc_tests.fbc_int.string_ )
TEST( struct )
dim sd as fbc.FBSTRING
CU_ASSERT( sizeof(sd.data) = sizeof(any ptr) )
CU_ASSERT( sizeof(sd.len) = sizeof(integer) )
CU_ASSERT( sizeof(sd.size) = sizeof(integer) )
CU_ASSERT( sizeof(fbc.FBSTRING) = sizeof(any ptr) + 2*sizeof(integer) )
END_TEST
#macro check_string( s, hasdata, expected_len )
if( s ) then
if( hasdata ) then
CU_ASSERT( s->data <> 0 )
CU_ASSERT( s->size > 0 )
CU_ASSERT( s->len = expected_len )
else
CU_ASSERT( s->data = 0 )
CU_ASSERT( s->size = 0 )
CU_ASSERT( s->len = 0 )
end if
CU_ASSERT( s->size >= s->len )
else
CU_FAIL()
end if
#endmacro
TEST( init )
dim s as string
var s1 = @s
var s2 = cast( fbc.FBSTRING ptr, @s )
CU_ASSERT( s1 = s2 )
CU_ASSERT( s2->data = NULL )
CU_ASSERT( s2->len = 0 )
CU_ASSERT( s2->size = 0 )
END_TEST
TEST( dim_ )
dim s as string
check_string( cast(fbc.FBSTRING ptr, @s), FALSE, 0 )
s = ""
check_string( cast(fbc.FBSTRING ptr, @s), FALSE, 0 )
s = "hello"
check_string( cast(fbc.FBSTRING ptr, @s), TRUE, 5 )
s = ""
check_string( cast(fbc.FBSTRING ptr, @s), FALSE, 0 )
s = "hello"
check_string( cast(fbc.FBSTRING ptr, @s), TRUE, 5 )
fbc.fb_strDelete( cast(fbc.FBSTRING ptr, @s) )
check_string( cast(fbc.FBSTRING ptr, @s), FALSE, 0 )
END_TEST
TEST( leftSelf_ )
dim s as string
var p = cast(fbc.FBSTRING ptr, @s)
dim size as integer
s = "abcdef"
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 6 )
CU_ASSERT( p->size > 0 )
CU_ASSERT( s = "abcdef" )
size = p->size
FBC.LeftSelf( s, len(s) - 1 )
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 5 )
CU_ASSERT( p->size = size )
CU_ASSERT( s = "abcde" )
FBC.LeftSelf( s, len(s) - 1 )
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 4 )
CU_ASSERT( p->size = size )
CU_ASSERT( s = "abcd" )
FBC.LeftSelf( s, len(s) - 1 )
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 3 )
CU_ASSERT( p->size = size )
CU_ASSERT( s = "abc" )
FBC.LeftSelf( s, len(s) - 1 )
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 2 )
CU_ASSERT( p->size = size )
CU_ASSERT( s = "ab" )
FBC.LeftSelf( s, len(s) - 1 )
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 1 )
CU_ASSERT( p->size = size )
CU_ASSERT( s = "a" )
FBC.LeftSelf( s, len(s) - 1 )
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 0 )
CU_ASSERT( p->size = size )
CU_ASSERT( s = "" )
FBC.LeftSelf( s, len(s) - 1 )
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 0 )
CU_ASSERT( p->size = size )
CU_ASSERT( s = "" )
FBC.LeftSelf( s, 0 )
CU_ASSERT( p->data <> NULL )
CU_ASSERT( p->len = 0 )
CU_ASSERT( p->size = size )
CU_ASSERT( s = "" )
'' delete string
s = ""
CU_ASSERT( p->data = NULL )
CU_ASSERT( p->len = 0 )
CU_ASSERT( p->size = 0 )
FBC.LeftSelf( s, 0 )
CU_ASSERT( p->data = NULL )
CU_ASSERT( p->len = 0 )
CU_ASSERT( p->size = 0 )
END_TEST
TEST( concat_no_resize )
END_TEST
END_SUITE