/*
 * arrayviewtest.cpp
 *
 *  Created on: Mar 18, 2017
 *      Author: gregor
 */


#include <gtest/gtest.h>

#include <GLTB/arrayview.h>

TEST(ArrayView, NoStrideNoOffset) {
	int data[10];
	for(int i = 0; i < 10; i++) {
		data[i] = 0;
	}

	gltb::ArrayView<int> dataView(data, 0, 0);
	for(int i = 0; i < 5; i++) {
		dataView[i] = 1;
	}

	for(int i = 0; i < 5; i++) {
		ASSERT_EQ(data[i], 1);
		ASSERT_EQ(data[5 + i], 0);
	}
}

TEST(ArrayView, StrideNoOffset) {
	int data[10];
	for(int i = 0; i < 10; i++) {
		data[i] = 0;
	}

	gltb::ArrayView<int> dataView(data, 0, 8);
	for(int i = 0; i < 5; i++) {
		dataView[i] = 1;
	}

	ASSERT_EQ(data[0], 1);
	ASSERT_EQ(data[1], 0);
	ASSERT_EQ(data[2], 1);
	ASSERT_EQ(data[3], 0);
	ASSERT_EQ(data[4], 1);
	ASSERT_EQ(data[5], 0);
	ASSERT_EQ(data[6], 1);
	ASSERT_EQ(data[7], 0);
	ASSERT_EQ(data[8], 1);
	ASSERT_EQ(data[9], 0);
}

TEST(ArrayView, NoStrideAndOffset)
{
	int data[10];
	for(int i = 0; i < 10; i++) {
		data[i] = 0;
	}

	gltb::ArrayView<int> dataView(data, 4, 0);
	for(int i = 0; i < 5; i++) {
		dataView[i] = 1;
	}

	ASSERT_EQ(data[0], 0);
	for(int i = 0; i < 5; i++) {
		ASSERT_EQ(data[1 + i], 1);
	}
	ASSERT_EQ(data[6], 0);
	ASSERT_EQ(data[7], 0);
	ASSERT_EQ(data[8], 0);
	ASSERT_EQ(data[9], 0);
}

TEST(ArrayView, StrideAndOffset)
{
	int data[10];
	for(int i = 0; i < 10; i++) {
		data[i] = 0;
	}

	gltb::ArrayView<int> dataView(data, 4, 8);
	for(int i = 0; i < 4; i++) {
		dataView[i] = 1;
	}

	ASSERT_EQ(data[0], 0);
	ASSERT_EQ(data[1], 1);
	ASSERT_EQ(data[2], 0);
	ASSERT_EQ(data[3], 1);
	ASSERT_EQ(data[4], 0);
	ASSERT_EQ(data[5], 1);
	ASSERT_EQ(data[6], 0);
	ASSERT_EQ(data[7], 1);
	ASSERT_EQ(data[8], 0);
	ASSERT_EQ(data[9], 0);
}

int main(int argc, char *argv[])
{
    ::testing::InitGoogleTest(&argc, argv);

    return RUN_ALL_TESTS();
}