ObjFW  Check-in [a2effa2a7f]

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Comment:Check for fast enumeration support in compiler and run tests.
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SHA3-256: a2effa2a7feaec3afdddb359d2cd4317fb2df60e4029994e656afee3b73eed99
User & Date: js on 2010-01-03 18:39:49
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Context
2010-01-03
18:48
Check for objc_enumerationMutation and provide it if it's missing. check-in: 2c40c95434 user: js tags: trunk
18:39
Check for fast enumeration support in compiler and run tests. check-in: a2effa2a7f user: js tags: trunk
18:28
Implement fast enumeration for OFArray. check-in: 45869ac8ac user: js tags: trunk
Changes
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Modified configure.ac from [0b6d5ca915] to [9b2731e7d3].

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AX_CHECK_COMPILER_FLAGS(-pipe, [OBJCFLAGS="$OBJCFLAGS -pipe"])
AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"])
AX_CHECK_COMPILER_FLAGS(-fno-constant-cfstrings, [
	NO_CONST_CFSTRINGS="-fno-constant-cfstrings"
	OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings"])
AC_SUBST(NO_CONST_CFSTRINGS)

AC_MSG_CHECKING(whether Objective C compiler supports fast enumeration)
AC_TRY_COMPILE([
	#import <objc/objc.h>
	], [
	id n = nil;
	for (id i in n);
	], [
	AC_DEFINE(OF_HAVE_FAST_ENUMERATION, 1, [Fast Enumeration support])
	AC_MSG_RESULT(yes)
	], [
	AC_MSG_RESULT(no)])

AC_MSG_CHECKING(which Objective C runtime we use)
dnl TODO: This is ugly. Let's think of a better check.
AC_EGREP_CPP(gnu, [
	#import <objc/objc.h>
	#ifdef __objc_INCLUDE_GNU
	gnu
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	#ifndef _WIN32
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <netdb.h>
	#else
	#define _WIN32_WINNT 0x0501
	#include <ws2tcpip.h>
	#endif], [
	#endif
	], [
	struct addrinfo ai;
	getaddrinfo(NULL, NULL, NULL, NULL);
	], [
	AC_MSG_RESULT(yes)
	AC_DEFINE(HAVE_GETADDRINFO, 1, [Whether we have getaddrinfo])

	if test x"$enable_threads" != x"no"; then
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Modified tests/OFArray.m from [dad59ff475] to [927bb4293a].

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	    [[a[2] objectAtIndex: 1] isEqual: c_ary[1]] &&
	    [[a[2] objectAtIndex: 2] isEqual: c_ary[2]])

	TEST(@"-[indexOfObject:]", [a[0] indexOfObject: c_ary[1]] == 1)

	TEST(@"-[indexOfObjectIdenticalTo:]",
	    [a[0] indexOfObjectIdenticalTo: c_ary[1]] == 1)

#ifdef OF_HAVE_FAST_ENUMERATION
	size_t i = 0;
	BOOL ok = YES;

	for (OFString *s in a[0]) {
		if (![s isEqual: c_ary[i]])
			ok = NO;
		i++;
	}

	TEST(@"Fast Enumeration", ok)
#endif

	TEST(@"-[replaceObject:withObject:]",
	    [a[0] replaceObject: c_ary[1]
		     withObject: c_ary[0]] &&
	    [[a[0] objectAtIndex: 0] isEqual: c_ary[0]] &&
	    [[a[0] objectAtIndex: 1] isEqual: c_ary[0]] &&
	    [[a[0] objectAtIndex: 2] isEqual: c_ary[2]])
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