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#include <gtest/gtest.h>
#include "all.h"
using namespace dvl;
TEST(Missiles, GetDirection8)
{
EXPECT_EQ(0, GetDirection8(0, 0, 15, 15));
EXPECT_EQ(1, GetDirection8(0, 0, 0, 15));
EXPECT_EQ(0, GetDirection8(0, 0, 8, 15));
EXPECT_EQ(0, GetDirection8(0, 0, 8, 8));
EXPECT_EQ(0, GetDirection8(0, 0, 15, 8));
EXPECT_EQ(0, GetDirection8(0, 0, 15, 7));
EXPECT_EQ(0, GetDirection8(0, 0, 11, 7));
EXPECT_EQ(0, GetDirection8(0, 0, 8, 11));
EXPECT_EQ(4, GetDirection8(15, 15, 0, 0));
EXPECT_EQ(5, GetDirection8(0, 15, 0, 0));
EXPECT_EQ(4, GetDirection8(8, 15, 0, 0));
EXPECT_EQ(4, GetDirection8(8, 8, 0, 0));
EXPECT_EQ(4, GetDirection8(15, 8, 0, 0));
EXPECT_EQ(4, GetDirection8(15, 7, 0, 0));
EXPECT_EQ(4, GetDirection8(11, 7, 0, 0));
EXPECT_EQ(4, GetDirection8(8, 11, 0, 0));
EXPECT_EQ(6, GetDirection8(0, 15, 15, 0));
EXPECT_EQ(7, GetDirection8(0, 0, 15, 0));
EXPECT_EQ(6, GetDirection8(0, 8, 15, 0));
EXPECT_EQ(6, GetDirection8(0, 8, 8, 0));
EXPECT_EQ(6, GetDirection8(0, 15, 8, 0));
EXPECT_EQ(6, GetDirection8(0, 15, 7, 0));
EXPECT_EQ(6, GetDirection8(0, 11, 7, 0));
EXPECT_EQ(6, GetDirection8(0, 8, 11, 0));
EXPECT_EQ(0, GetDirection8(1, 1, 2, 2));
EXPECT_EQ(1, GetDirection8(1, 1, 1, 2));
EXPECT_EQ(2, GetDirection8(1, 1, 0, 2));
EXPECT_EQ(3, GetDirection8(1, 1, 0, 1));
EXPECT_EQ(4, GetDirection8(1, 1, 0, 0));
EXPECT_EQ(5, GetDirection8(1, 1, 1, 0));
EXPECT_EQ(6, GetDirection8(1, 1, 2, 0));
EXPECT_EQ(7, GetDirection8(1, 1, 2, 1));
}
TEST(Missiles, GetDirection16)
{
EXPECT_EQ(0, GetDirection16(0, 0, 15, 15));
EXPECT_EQ(2, GetDirection16(0, 0, 0, 15));
EXPECT_EQ(1, GetDirection16(0, 0, 8, 15));
EXPECT_EQ(0, GetDirection16(0, 0, 8, 8));
EXPECT_EQ(15, GetDirection16(0, 0, 15, 8));
EXPECT_EQ(15, GetDirection16(0, 0, 15, 7));
EXPECT_EQ(15, GetDirection16(0, 0, 11, 7));
EXPECT_EQ(0, GetDirection16(0, 0, 8, 11));
EXPECT_EQ(8, GetDirection16(15, 15, 0, 0));
EXPECT_EQ(10, GetDirection16(0, 15, 0, 0));
EXPECT_EQ(9, GetDirection16(8, 15, 0, 0));
EXPECT_EQ(8, GetDirection16(8, 8, 0, 0));
EXPECT_EQ(7, GetDirection16(15, 8, 0, 0));
EXPECT_EQ(7, GetDirection16(15, 7, 0, 0));
EXPECT_EQ(7, GetDirection16(11, 7, 0, 0));
EXPECT_EQ(8, GetDirection16(8, 11, 0, 0));
EXPECT_EQ(12, GetDirection16(0, 15, 15, 0));
EXPECT_EQ(14, GetDirection16(0, 0, 15, 0));
EXPECT_EQ(13, GetDirection16(0, 8, 15, 0));
EXPECT_EQ(12, GetDirection16(0, 8, 8, 0));
EXPECT_EQ(11, GetDirection16(0, 15, 8, 0));
EXPECT_EQ(11, GetDirection16(0, 15, 7, 0));
EXPECT_EQ(11, GetDirection16(0, 11, 7, 0));
EXPECT_EQ(12, GetDirection16(0, 8, 11, 0));
EXPECT_EQ(0, GetDirection16(2, 2, 3, 3));
EXPECT_EQ(1, GetDirection16(2, 2, 3, 4));
EXPECT_EQ(2, GetDirection16(2, 2, 2, 4));
EXPECT_EQ(3, GetDirection16(2, 2, 1, 4));
EXPECT_EQ(4, GetDirection16(2, 2, 1, 3));
EXPECT_EQ(5, GetDirection16(2, 2, 0, 3));
EXPECT_EQ(6, GetDirection16(2, 2, 0, 2));
EXPECT_EQ(7, GetDirection16(2, 2, 0, 1));
EXPECT_EQ(8, GetDirection16(2, 2, 1, 1));
EXPECT_EQ(9, GetDirection16(2, 2, 1, 0));
EXPECT_EQ(10, GetDirection16(2, 2, 2, 0));
EXPECT_EQ(11, GetDirection16(2, 2, 3, 0));
EXPECT_EQ(12, GetDirection16(2, 2, 3, 1));
EXPECT_EQ(13, GetDirection16(2, 2, 4, 1));
EXPECT_EQ(14, GetDirection16(2, 2, 4, 2));
EXPECT_EQ(15, GetDirection16(2, 2, 4, 3));
}