tools/vm-tests/src/dot/junit/opcodes/neg_int/Test_neg_int.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.neg_int;

import dot.junit.DxTestCase;
import dot.junit.DxUtil;
import dot.junit.opcodes.neg_int.d.T_neg_int_1;
import dot.junit.opcodes.neg_int.d.T_neg_int_2;
import dot.junit.opcodes.neg_int.d.T_neg_int_7;

public class Test_neg_int extends DxTestCase {

    /**
     * @title Argument = 1
     */
    public void testN1() {
        T_neg_int_1 t = new T_neg_int_1();
        assertEquals(-1, t.run(1));
    }

    /**
     * @title Argument = -1
     */
    public void testN2() {
        T_neg_int_1 t = new T_neg_int_1();
        assertEquals(1, t.run(-1));
    }

    /**
     * @title Argument = 32768
     */
    public void testN3() {
        T_neg_int_1 t = new T_neg_int_1();
        assertEquals(-32768, t.run(32768));
    }

    /**
     * @title Argument = 0
     */
    public void testN4() {
        T_neg_int_1 t = new T_neg_int_1();
        assertEquals(0, t.run(0));
    }

    /**
     * @title Check that -x == (~x + 1)
     */
    public void testN5() {
        T_neg_int_2 t = new T_neg_int_2();
        assertTrue(t.run(5));
    }
    
    /**
     * @title Types of arguments - float, int. Dalvik doens't distinguish 32-bits types internally,
     * so this operation of float and int makes no sense but shall not crash the VM.  
     */
    public void testN6() {
        T_neg_int_7 t = new T_neg_int_7();
        try {
            t.run(3.14f);
        } catch (Throwable e) {
        }
    }

    /**
     * @title Argument = Integer.MAX_VALUE
     */
    public void testB1() {
        T_neg_int_1 t = new T_neg_int_1();
        assertEquals(0x80000001, t.run(Integer.MAX_VALUE));
    }

    /**
     * @title Argument = Integer.MIN_VALUE
     */
    public void testB2() {
        T_neg_int_1 t = new T_neg_int_1();
        assertEquals(Integer.MIN_VALUE, t.run(Integer.MIN_VALUE));
    }

    /**
     * @constraint A23 
     * @title  number of registers
     */
    public void testVFE1() {
        try {
            Class.forName("dot.junit.opcodes.neg_int.d.T_neg_int_3");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }



    /**
     * 
     * @constraint B1 
     * @title  type of argument - double
     */
    public void testVFE2() {
        try {
            Class.forName("dot.junit.opcodes.neg_int.d.T_neg_int_4");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * 
     * @constraint B1 
     * @title  type of argument - long
     */
    public void testVFE3() {
        try {
            Class.forName("dot.junit.opcodes.neg_int.d.T_neg_int_5");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * 
     * @constraint B1 
     * @title  type of argument - reference
     */
    public void testVFE4() {
        try {
            Class.forName("dot.junit.opcodes.neg_int.d.T_neg_int_6");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }
}