@import ObjectiveGit;

@import Nimble;

@import Quick;

#import "QuickSpec+GTFixtures.h"

QuickSpecBegin(NSDataGit)

const void *testData = "hello world";

const size_t testDataSize = strlen(testData) + 1;

describe(@"+git_dataWithBuffer:", ^{

__block git_buf buffer;

beforeEach(^{

buffer = (git_buf)GIT_BUF_INIT_CONST(NULL, 0);

expect(@(git_buf_set(&buffer, testData, testDataSize))).to(equal(@(GIT_OK)));

expect([NSValue valueWithPointer:buffer.ptr]).notTo(equal([NSValue valueWithPointer:NULL]));

expect([NSValue valueWithPointer:buffer.ptr]).notTo(equal([NSValue valueWithPointer:testData]));

expect(@(buffer.size)).to(equal(@(testDataSize)));

expect(@(buffer.asize)).to(beGreaterThanOrEqualTo(@(testDataSize)));

});

afterEach(^{

git_buf_free(&buffer);

});

it(@"should create matching NSData", ^{

NSData *data = [NSData git_dataWithBuffer:&buffer];

expect(data).notTo(beNil());

expect(@(data.length)).to(equal(@(testDataSize)));

expect(@(memcmp(data.bytes, testData, testDataSize))).to(equal(@0));

});

it(@"should invalidate the buffer", ^{

[NSData git_dataWithBuffer:&buffer];

expect(@(buffer.size)).to(equal(@0));

expect(@(buffer.asize)).to(equal(@0));

expect([NSValue valueWithPointer:buffer.ptr]).to(equal([NSValue valueWithPointer:NULL]));

});

});

describe(@"git_buf", ^{

__block NSData *data;

beforeEach(^{

data = [NSData dataWithBytes:testData length:testDataSize];

expect(data).notTo(beNil());

});

it(@"should return a constant buffer of the data's bytes", ^{

git_buf buffer = data.git_buf;

expect([NSValue valueWithPointer:buffer.ptr]).to(equal([NSValue valueWithPointer:data.bytes]));

expect(@(buffer.size)).to(equal(@(data.length)));

expect(@(buffer.asize)).to(equal(@0));

});

});

afterEach(^{

[self tearDown];

});

QuickSpecEnd