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 * conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
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 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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package com.oracle.truffle.llvm.types.floating.test;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

import com.oracle.truffle.llvm.runtime.floating.LLVM80BitFloat;

public class LLVM80BitCompareTest extends LLVM80BitTest {

    @Test
    public void testEquals() {
        assertTrue(LLVM80BitFloat.compare(zero(), zero()) == 0);
        assertTrue(LLVM80BitFloat.compare(one(), one()) == 0);
        assertTrue(LLVM80BitFloat.compare(minusOne(), minusOne()) == 0);
    }

    @Test
    public void testOrdered() {
        assertTrue(zero().isOrdered());
        assertTrue(one().isOrdered());
        assertTrue(minusOne().isOrdered());
        assertTrue(positiveInfinity().isOrdered());
        assertTrue(negativeInfinity().isOrdered());
        assertFalse(nan().isOrdered());
    }

    @Test
    public void testInfinities() {
        assertTrue(LLVM80BitFloat.compare(positiveInfinity(), positiveInfinity()) == 0);
        assertTrue(LLVM80BitFloat.compare(negativeInfinity(), positiveInfinity()) < 0);
        assertTrue(LLVM80BitFloat.compare(positiveInfinity(), negativeInfinity()) > 0);
        assertTrue(LLVM80BitFloat.compare(negativeInfinity(), negativeInfinity()) == 0);
    }

    @Test
    public void testPositiveInfinitiesNumber1() {
        assertTrue(LLVM80BitFloat.compare(positiveInfinity(), one()) > 0);
        assertTrue(LLVM80BitFloat.compare(positiveInfinity(), zero()) > 0);
        assertTrue(LLVM80BitFloat.compare(positiveInfinity(), minusOne()) > 0);
        assertTrue(LLVM80BitFloat.compare(positiveInfinity(), val(Long.MAX_VALUE)) > 0);
    }

    @Test
    public void testPositiveInfinitiesNumber2() {
        assertTrue(LLVM80BitFloat.compare(one(), positiveInfinity()) < 0);
        assertTrue(LLVM80BitFloat.compare(zero(), positiveInfinity()) < 0);
        assertTrue(LLVM80BitFloat.compare(minusOne(), positiveInfinity()) < 0);
        assertTrue(LLVM80BitFloat.compare(val(Long.MAX_VALUE), positiveInfinity()) < 0);
    }

    @Test
    public void testNegativeInfinitiesNumber1() {
        assertTrue(LLVM80BitFloat.compare(negativeInfinity(), one()) < 0);
        assertTrue(LLVM80BitFloat.compare(negativeInfinity(), zero()) < 0);
        assertTrue(LLVM80BitFloat.compare(negativeInfinity(), minusOne()) < 0);
        assertTrue(LLVM80BitFloat.compare(negativeInfinity(), val(Long.MIN_VALUE)) < 0);
    }

    @Test
    public void testNegativeInfinitiesNumber2() {
        assertTrue(LLVM80BitFloat.compare(one(), negativeInfinity()) > 0);
        assertTrue(LLVM80BitFloat.compare(zero(), negativeInfinity()) > 0);
        assertTrue(LLVM80BitFloat.compare(minusOne(), negativeInfinity()) > 0);
        assertTrue(LLVM80BitFloat.compare(val(Long.MIN_VALUE), negativeInfinity()) > 0);
    }

}