package org.graalvm.compiler.core.test;
import org.graalvm.compiler.core.common.util.UnsignedLong;
import org.junit.Assert;
import org.junit.Test;
public class UnsignedLongTest {
@Test
public void testEquals() {
UnsignedLong fortyTwo = new UnsignedLong(42);
Assert.assertTrue(fortyTwo.equals(42));
Assert.assertFalse(fortyTwo.equals(99));
UnsignedLong longFortyTwo = new UnsignedLong(0x42_0000_8888L);
Assert.assertTrue(longFortyTwo.equals(0x42_0000_8888L));
Assert.assertFalse(longFortyTwo.equals(0x99_0000_8888L));
UnsignedLong longUnsigned = new UnsignedLong(0x8000_7777_0000_8888L);
Assert.assertTrue(longUnsigned.equals(0x8000_7777_0000_8888L));
Assert.assertFalse(longUnsigned.equals(0xf000_7777_0000_8888L));
}
@Test
public void testIsLessThan() {
UnsignedLong fortyTwo = new UnsignedLong(42);
Assert.assertTrue(fortyTwo.isLessThan(45));
Assert.assertFalse(fortyTwo.isLessThan(42));
Assert.assertFalse(fortyTwo.isLessThan(40));
Assert.assertTrue(fortyTwo.isLessThan(0xffff_ffff_ffff_ffffL));
UnsignedLong longUnsigned = new UnsignedLong(0x8000_7777_0000_8888L);
Assert.assertTrue(longUnsigned.isLessThan(0xffff_ffff_ffff_ffffL));
Assert.assertFalse(longUnsigned.isLessThan(42));
Assert.assertFalse(longUnsigned.isLessThan(0x8000_0777_0000_8888L));
Assert.assertFalse(longUnsigned.isLessThan(0x8000_7777_0000_8888L));
}
@Test
public void testIsLessOrEqualTo() {
UnsignedLong fortyTwo = new UnsignedLong(42);
Assert.assertTrue(fortyTwo.isLessOrEqualTo(45));
Assert.assertTrue(fortyTwo.isLessOrEqualTo(42));
Assert.assertFalse(fortyTwo.isLessOrEqualTo(40));
Assert.assertTrue(fortyTwo.isLessOrEqualTo(0xffff_ffff_ffff_ffffL));
UnsignedLong longUnsigned = new UnsignedLong(0x8000_7777_0000_8888L);
Assert.assertTrue(longUnsigned.isLessOrEqualTo(0xffff_ffff_ffff_ffffL));
Assert.assertFalse(longUnsigned.isLessOrEqualTo(42));
Assert.assertFalse(longUnsigned.isLessOrEqualTo(0x8000_0777_0000_8888L));
Assert.assertTrue(longUnsigned.isLessOrEqualTo(0x8000_7777_0000_8888L));
}
@Test
public void testTimes() {
UnsignedLong fortyTwo = new UnsignedLong(42);
Assert.assertEquals(42 * 42, fortyTwo.times(42).asLong());
Assert.assertEquals(0xffff_ffff_ffff_fff0L, fortyTwo.times(0x618618618618618L).asLong());
}
@Test(expected = ArithmeticException.class)
public void testTimesException() {
UnsignedLong fortyTwo = new UnsignedLong(42);
fortyTwo.times(0x618618618618619L);
}
@Test
public void testMinus() {
UnsignedLong fortyTwo = new UnsignedLong(42);
Assert.assertEquals(0, fortyTwo.minus(42).asLong());
Assert.assertEquals(40, fortyTwo.minus(2).asLong());
UnsignedLong longUnsigned = new UnsignedLong(0xffff_ffff_ffff_fff0L);
Assert.assertEquals(0, longUnsigned.minus(0xffff_ffff_ffff_fff0L).asLong());
}
@Test(expected = ArithmeticException.class)
public void testMinusException() {
UnsignedLong fortyTwo = new UnsignedLong(42);
fortyTwo.minus(43);
}
@Test(expected = ArithmeticException.class)
public void testMinusException2() {
UnsignedLong longUnsigned = new UnsignedLong(0xffff_ffff_ffff_fff0L);
longUnsigned.minus(0xffff_ffff_ffff_fff1L);
}
@Test
public void testPlus() {
UnsignedLong fortyTwo = new UnsignedLong(42);
Assert.assertEquals(84, fortyTwo.plus(42).asLong());
Assert.assertEquals(44, fortyTwo.plus(2).asLong());
UnsignedLong longUnsigned = new UnsignedLong(0xffff_ffff_ffff_fff0L);
Assert.assertEquals(0xffff_ffff_ffff_ffffL, longUnsigned.plus(0xf).asLong());
}
@Test(expected = ArithmeticException.class)
public void testPlusException() {
UnsignedLong fortyTwo = new UnsignedLong(42);
fortyTwo.plus(0xffff_ffff_ffff_fff0L);
}
@Test(expected = ArithmeticException.class)
public void testPlusException2() {
UnsignedLong longUnsigned = new UnsignedLong(0xffff_ffff_ffff_fff0L);
longUnsigned.plus(42);
}
@Test
public void testWrappingTimes() {
UnsignedLong fortyTwo = new UnsignedLong(42);
Assert.assertEquals(0x1a, fortyTwo.wrappingTimes(0x618618618618619L).asLong());
}
@Test
public void testWrappingPlus() {
UnsignedLong fortyTwo = new UnsignedLong(42);
Assert.assertEquals(0x1a, fortyTwo.wrappingPlus(0xffff_ffff_ffff_fff0L).asLong());
UnsignedLong longUnsigned = new UnsignedLong(0xffff_ffff_ffff_fff0L);
Assert.assertEquals(0x1a, longUnsigned.wrappingPlus(42).asLong());
}
}