tools/vm-tests/src/dot/junit/opcodes/sparse_switch/Test_sparse_switch.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.sparse_switch;

import dot.junit.DxTestCase;
import dot.junit.DxUtil;
import dot.junit.opcodes.sparse_switch.d.T_sparse_switch_1;
import dot.junit.opcodes.sparse_switch.d.T_sparse_switch_2
;

public class Test_sparse_switch extends DxTestCase {

    /**
     * @title try different values
     */
    public void testN1() {
        T_sparse_switch_1 t = new T_sparse_switch_1();
        assertEquals(2, t.run(-1));

        assertEquals(-1, t.run(9));
        assertEquals(20, t.run(10));
        assertEquals(-1, t.run(11));

        assertEquals(-1, t.run(14));
        assertEquals(20, t.run(15));
        assertEquals(-1, t.run(16));
    }
    
    /**
     * @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 testN2() {
        try {
            T_sparse_switch_2 t = new T_sparse_switch_2();
            t.run(-1.23f);
        } catch(Throwable t) {
        }
    }

    /**
     * @title Argument = Integer.MAX_VALUE
     */
    public void testB1() {
        T_sparse_switch_1 t = new T_sparse_switch_1();
        assertEquals(-1, t.run(Integer.MAX_VALUE));
    }

    /**
     * @title Argument = Integer.MIN_VALUE
     */
    public void testB2() {
        T_sparse_switch_1 t = new T_sparse_switch_1();
        assertEquals(-1, t.run(Integer.MIN_VALUE));
    }
    
    /**
     * @title Argument = 0
     */
    public void testB3() {
        T_sparse_switch_1 t = new T_sparse_switch_1();
        assertEquals(-1, t.run(0));
    }
    
    /**
     * @constraint A23 
     * @title number of registers
     */
    public void testVFE1() {
        try {
            Class.forName("dot.junit.opcodes.sparse_switch.d.T_sparse_switch_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.sparse_switch.d.T_sparse_switch_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.sparse_switch.d.T_sparse_switch_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.sparse_switch.d.T_sparse_switch_6");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint A8 
     * @title branch target shall be inside the method
     */
    public void testVFE5() {
        try {
            Class.forName("dot.junit.opcodes.sparse_switch.d.T_sparse_switch_7");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint A8
     * @title branch target shall not be "inside" instruction
     */
    public void testVFE6() {
        try {
            Class.forName("dot.junit.opcodes.sparse_switch.d.T_sparse_switch_8");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint A8
     * @title offset to table shall be inside method
     */
    public void testVFE7() {
        try {
            Class.forName("dot.junit.opcodes.sparse_switch.d.T_sparse_switch_9");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint A8
     * @title pairs shall be sorted in ascending order
     */
    public void testVFE9() {
        try {
            Class.forName("dot.junit.opcodes.sparse_switch.d.T_sparse_switch_11");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint A8 
     * @title number of entries in jump table
     */
    public void testVFE10() {
        try {
            Class.forName("dot.junit.opcodes.sparse_switch.d.T_sparse_switch_12");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }
    
    /**
     * @constraint B22
     * @title sparse-switch-data pseudo-instructions must not be reachable by control flow 
     */
    public void testVFE11() {
        try {
            Class.forName("dot.junit.opcodes.sparse_switch.d.T_sparse_switch_13");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }
    
    /**
     * @constraint A8
     * @title table has wrong ident code 
     */
    public void testVFE12() {
        try {
            Class.forName("dot.junit.opcodes.sparse_switch.d.T_sparse_switch_14");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }
}