102 строки
3.7 KiB
Objective-C
102 строки
3.7 KiB
Objective-C
/*
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* Author: Mike Ash <mikeash@plausiblelabs.com>
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*
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* Copyright (c) 2012-2013 Plausible Labs Cooperative, Inc.
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#import "SenTestCompat.h"
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#import <dlfcn.h>
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#import <mach-o/dyld.h>
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#import <mach-o/getsect.h>
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#import "PLCrashAsyncMachOImage.h"
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#import "PLCrashAsyncMachOString.h"
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@interface PLCrashAsyncMachOStringTests : SenTestCase {
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/** The image containing our class. */
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plcrash_async_macho_t _image;
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}
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@end
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@implementation PLCrashAsyncMachOStringTests
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- (void) setUp {
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/* Fetch our containing image's dyld info */
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Dl_info info;
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STAssertTrue(dladdr((__bridge void *)([self class]), &info) > 0, @"Could not fetch dyld info for %p", [self class]);
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/* Look up the vmaddr slide for our image */
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pl_vm_off_t vmaddr_slide = 0;
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bool found_image = false;
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for (uint32_t i = 0; i < _dyld_image_count(); i++) {
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if (_dyld_get_image_header(i) == info.dli_fbase) {
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vmaddr_slide = _dyld_get_image_vmaddr_slide(i);
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found_image = true;
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break;
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}
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}
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STAssertTrue(found_image, @"Could not find dyld image record");
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plcrash_nasync_macho_init(&_image, mach_task_self(), info.dli_fname, (pl_vm_address_t) info.dli_fbase);
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/* Basic test of the initializer */
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STAssertEqualCStrings(_image.name, info.dli_fname, @"Incorrect name");
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STAssertEquals(_image.header_addr, (pl_vm_address_t) info.dli_fbase, @"Incorrect header address");
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STAssertEquals(_image.vmaddr_slide, (pl_vm_off_t) vmaddr_slide, @"Incorrect vmaddr_slide value");
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unsigned long text_size;
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STAssertNotNULL(getsegmentdata(info.dli_fbase, SEG_TEXT, &text_size), @"Failed to find segment");
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STAssertEquals(_image.text_size, (pl_vm_size_t) text_size, @"Incorrect text segment size computed");
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}
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- (void) tearDown {
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plcrash_nasync_macho_free(&_image);
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}
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- (void) testStringReading {
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char *str = "one two three four five";
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plcrash_error_t err;
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plcrash_async_macho_string_t strObj;
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err = plcrash_async_macho_string_init(&strObj, &_image, (pl_vm_address_t)str);
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STAssertEquals(err, PLCRASH_ESUCCESS, @"Error initializing string object. (How did you even manage to pull that off?)");
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pl_vm_size_t len;
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const char *ptr;
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err = plcrash_async_macho_string_get_length(&strObj, &len);
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STAssertEquals(err, PLCRASH_ESUCCESS, @"Error getting string length");
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err = plcrash_async_macho_string_get_pointer(&strObj, &ptr);
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STAssertEquals(err, PLCRASH_ESUCCESS, @"Error getting string pointer");
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STAssertEquals(strlen(str), (unsigned long)len, @"String length does not match");
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STAssertEquals(strncmp(str, ptr, len), 0, @"String contents do not match");
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}
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@end
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