Artifact 4df4ada152f6f43c3911cbee1741fc43f8c59e2307f1c913002ea21149f5827e:
- File
tests/ForwardingTests.m
— part of check-in
[14f1e22d79]
at
2021-05-08 23:22:59
on branch trunk
— tests: Align more with ObjFW style
ObjFW's style changed over the years, but the tests were never adjusted
to it. (user: js, size: 6591) [annotate] [blame] [check-ins using] [more...]
/* * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" #include <string.h> #import "TestsAppDelegate.h" #define FORMAT @"%@ %@ %@ %@ %@ %@ %@ %@ %@ %g %g %g %g %g %g %g %g %g" #define ARGS @"a", @"b", @"c", @"d", @"e", @"f", @"g", @"h", @"i", \ 1.5, 2.25, 3.125, 4.0625, 5.03125, 6.5, 7.25, 8.0, 9.0 #define RESULT @"a b c d e f g h i 1.5 2.25 3.125 4.0625 5.03125 6.5 7.25 8 9" static OFString *const module = @"Forwarding"; static size_t forwardingsCount = 0; static bool success = false; static id target = nil; struct StretTest { char buffer[1024]; }; @interface ForwardingTest: OFObject @end @interface ForwardingTest (Test) + (void)test; - (void)test; - (uint32_t)forwardingTargetTest: (intptr_t)a0 : (intptr_t)a1 : (double)a2 : (double)a3; - (OFString *)forwardingTargetVarArgTest: (OFConstantString *)format, ...; - (long double)forwardingTargetFPRetTest; - (struct StretTest)forwardingTargetStRetTest; - (void)forwardingTargetNilTest; - (void)forwardingTargetSelfTest; - (struct StretTest)forwardingTargetNilStRetTest; - (struct StretTest)forwardingTargetSelfStRetTest; @end @interface ForwardingTarget: OFObject @end static void test(id self, SEL _cmd) { success = true; } @implementation ForwardingTest + (bool)resolveClassMethod: (SEL)selector { forwardingsCount++; if (sel_isEqual(selector, @selector(test))) { class_replaceMethod(object_getClass(self), @selector(test), (IMP)test, "v#:"); return YES; } return NO; } + (bool)resolveInstanceMethod: (SEL)selector { forwardingsCount++; if (sel_isEqual(selector, @selector(test))) { class_replaceMethod(self, @selector(test), (IMP)test, "v@:"); return YES; } return NO; } - (id)forwardingTargetForSelector: (SEL)selector { /* * Do some useless calculations in as many registers as possible to * check if the arguments are properly saved and restored. */ volatile register intptr_t r0 = 0, r1 = 1, r2 = 2, r3 = 3, r4 = 4, r5 = 5, r6 = 6, r7 = 7, r8 = 8, r9 = 9, r10 = 10, r11 = 11; volatile register double f0 = 0.5, f1 = 1.5, f2 = 2.5, f3 = 3.5, f4 = 4.5, f5 = 5.5, f6 = 6.5, f7 = 7.5, f8 = 8.5, f9 = 9.5, f10 = 10.5, f11 = 11.5; double add = r0 * r1 * r2 * r3 * r4 * r5 * r6 * r7 * r8 * r9 * r10 * r11 * f0 * f1 * f2 * f3 * f4 * f5 * f6 * f7 * f8 * f9 * f10 * f11; if (sel_isEqual(selector, @selector(forwardingTargetTest::::)) || sel_isEqual(selector, @selector(forwardingTargetVarArgTest:)) || sel_isEqual(selector, @selector(forwardingTargetFPRetTest)) || sel_isEqual(selector, @selector(forwardingTargetStRetTest))) return (id)((char *)target + (ptrdiff_t)add); if (sel_isEqual(selector, @selector(forwardingTargetNilTest)) || sel_isEqual(selector, @selector(forwardingTargetNilStRetTest))) return nil; if (sel_isEqual(selector, @selector(forwardingTargetSelfTest)) || sel_isEqual(selector, @selector(forwardingTargetSelfStRetTest))) return self; abort(); OF_UNREACHABLE } @end @implementation ForwardingTarget - (uint32_t)forwardingTargetTest: (intptr_t)a0 : (intptr_t)a1 : (double)a2 : (double)a3 { OFEnsure(self == target); if (a0 != (intptr_t)0xDEADBEEF) return 0; if (a1 != -1) return 0; if (a2 != 1.25) return 0; if (a3 != 2.75) return 0; return 0x12345678; } - (OFString *)forwardingTargetVarArgTest: (OFConstantString *)format, ... { va_list args; OFString *ret; OFEnsure(self == target); va_start(args, format); ret = [[[OFString alloc] initWithFormat: format arguments: args] autorelease]; va_end(args); return ret; } - (long double)forwardingTargetFPRetTest { OFEnsure(self == target); return 12345678.00006103515625; } - (struct StretTest)forwardingTargetStRetTest { struct StretTest ret = { { 0 } }; OFEnsure(self == target); memcpy(ret.buffer, "abcdefghijklmnopqrstuvwxyz", 27); return ret; } @end @implementation TestsAppDelegate (ForwardingTests) - (void)forwardingTests { void *pool = objc_autoreleasePoolPush(); TEST(@"Forwarding a message and adding a class method", R([ForwardingTest test]) && success && R([ForwardingTest test]) && forwardingsCount == 1); ForwardingTest *testObject = [[[ForwardingTest alloc] init] autorelease]; success = false; forwardingsCount = 0; TEST(@"Forwarding a message and adding an instance method", R([testObject test]) && success && R([testObject test]) && forwardingsCount == 1); #ifdef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR target = [[[ForwardingTarget alloc] init] autorelease]; TEST(@"-[forwardingTargetForSelector:]", [testObject forwardingTargetTest: 0xDEADBEEF : -1 : 1.25 : 2.75] == 0x12345678) TEST(@"-[forwardingTargetForSelector:] variable arguments", [[testObject forwardingTargetVarArgTest: FORMAT, ARGS] isEqual: RESULT]) /* * Don't try fpret on Win64 if we don't have stret forwarding, as * long double is handled as a struct there. */ # if !defined(OF_WINDOWS) || !defined(OF_X86_64) || \ defined(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET) TEST(@"-[forwardingTargetForSelector:] fp return", [testObject forwardingTargetFPRetTest] == 12345678.00006103515625) # endif # ifdef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET TEST(@"-[forwardingTargetForSelector:] struct return", !memcmp([testObject forwardingTargetStRetTest].buffer, "abcdefghijklmnopqrstuvwxyz", 27)) # endif EXPECT_EXCEPTION(@"-[forwardingTargetForSelector:] nil target", OFNotImplementedException, [testObject forwardingTargetNilTest]) EXPECT_EXCEPTION(@"-[forwardingTargetForSelector:] self target", OFNotImplementedException, [testObject forwardingTargetSelfTest]) # ifdef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET EXPECT_EXCEPTION(@"-[forwardingTargetForSelector:] nil target + " @"stret", OFNotImplementedException, [testObject forwardingTargetNilStRetTest]) EXPECT_EXCEPTION(@"-[forwardingTargetForSelector:] self target + " @"stret", OFNotImplementedException, [testObject forwardingTargetSelfStRetTest]) # endif #endif objc_autoreleasePoolPop(pool); } @end