tools/vm-tests/src/dot/junit/opcodes/sub_double/Test_sub_double.java

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package dot.junit.opcodes.sub_double;

import dot.junit.DxTestCase;
import dot.junit.DxUtil;
import dot.junit.opcodes.sub_double.d.T_sub_double_1;
import dot.junit.opcodes.sub_double.d.T_sub_double_3;

public class Test_sub_double extends DxTestCase {

    /**
     * @title Arguments = 2.7d, 3.14d
     */
    public void testN1() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(-0.43999999999999995d, t.run(2.7d, 3.14d));
    }

    /**
     * @title Arguments = 0, -3.14d
     */
    public void testN2() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(3.14d, t.run(0, -3.14d));
    }

    /**
     * @title 
     */
    public void testN3() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(-0.43999999999999995d, t.run(-3.14d, -2.7d));
    }
    
    /**
     * @title Types of arguments - long, double. Dalvik doens't distinguish 64-bits types internally,
     * so this subtraction of double and long makes no sense but shall not crash the VM.  
     */
    public void testN4() {
        T_sub_double_3 t = new T_sub_double_3();
        try {
            t.run(12345l, 3.14d);
        } catch (Throwable e) {
        }
    }  

    /**
     * @title Arguments = Double.MAX_VALUE, Double.NaN
     */
    public void testB1() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(Double.NaN, t.run(Double.MAX_VALUE, Double.NaN));
    }

    /**
     * @title Arguments = Double.POSITIVE_INFINITY,
     * Double.NEGATIVE_INFINITY
     */
    public void testB2() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(Double.POSITIVE_INFINITY, t.run(Double.POSITIVE_INFINITY,
                Double.NEGATIVE_INFINITY));
    }

    /**
     * @title Arguments = Double.POSITIVE_INFINITY,
     * Double.POSITIVE_INFINITY
     */
    public void testB3() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(Double.NaN, t.run(Double.POSITIVE_INFINITY,
                Double.POSITIVE_INFINITY));
    }

    /**
     * @title Arguments = Double.POSITIVE_INFINITY, -2.7d
     */
    public void testB4() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(Double.POSITIVE_INFINITY, t.run(Double.POSITIVE_INFINITY,
                -2.7d));
    }

    /**
     * @title Arguments = +0, -0d
     */
    public void testB5() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(+0d, t.run(+0d, -0d));
    }

    /**
     * @title Arguments = -0d, -0d
     */
    public void testB6() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(0d, t.run(-0d, -0d));
    }

    /**
     * @title Arguments = +0d, +0d
     */
    public void testB7() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(+0d, t.run(+0d, +0d));
    }

    /**
     * @title Arguments = 2.7d, 2.7d
     */
    public void testB8() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(0d, t.run(2.7d, 2.7d));
    }

    /**
     * @title Arguments = Double.MAX_VALUE, Double.MAX_VALUE
     */
    public void testB9() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(0d, t.run(Double.MAX_VALUE, Double.MAX_VALUE));
    }

    /**
     * @title Arguments = Double.MIN_VALUE, 4.9E-324
     */
    public void testB10() {
        T_sub_double_1 t = new T_sub_double_1();
        assertEquals(0d, t.run(Double.MIN_VALUE, 4.9E-324));
    }


    

    /**
     * @constraint B1 
     * @title types of arguments - float, double
     */
    public void testVFE1() {
        try {
            Class.forName("dot.junit.opcodes.sub_double.d.T_sub_double_2");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint A24 
     * @title  number of registers
     */
    public void testVFE2() {
        try {
            Class.forName("dot.junit.opcodes.sub_double.d.T_sub_double_5");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint B1 
     * @title types of arguments - double, reference
     */
    public void testVFE3() {
        try {
            Class.forName("dot.junit.opcodes.sub_double.d.T_sub_double_4");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint B1 
     * @title types of arguments - int, int
     */
    public void testVFE4() {
        try {
            Class.forName("dot.junit.opcodes.sub_double.d.T_sub_double_6");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }
    
}