opcodes/iput/Test_iput.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.iput;

import dot.junit.DxTestCase;
import dot.junit.DxUtil;
import dot.junit.opcodes.iput.d.T_iput_1;
import dot.junit.opcodes.iput.d.T_iput_11;
import dot.junit.opcodes.iput.d.T_iput_12;
import dot.junit.opcodes.iput.d.T_iput_13;
import dot.junit.opcodes.iput.d.T_iput_14;
import dot.junit.opcodes.iput.d.T_iput_19;
import dot.junit.opcodes.iput.d.T_iput_5;

public class Test_iput extends DxTestCase {

    /**
     * @title type - int
     */
    public void testN1() {
        T_iput_1 t = new T_iput_1();
        assertEquals(0, t.st_i1);
        t.run();
        assertEquals(1000000, t.st_i1);
    }

    /**
     * @title type - float
     */
    public void testN2() {
        T_iput_19 t = new T_iput_19();
        assertEquals(0.0f, t.st_f1);
        t.run();
        assertEquals(3.14f, t.st_f1);
    }


    /**
     * @title modification of final field
     */
    public void testN3() {
        T_iput_12 t = new T_iput_12();
        assertEquals(0, t.st_i1);
        t.run();
        assertEquals(1000000, t.st_i1);
    }

    /**
     * @title modification of protected field from subclass
     */
    public void testN4() {
        //@uses dot.junit.opcodes.iput.d.T_iput_1
        //@uses dot.junit.opcodes.iput.d.T_iput_14
        T_iput_14 t = new T_iput_14();
        assertEquals(0, t.getProtectedField());
        t.run();
        assertEquals(1000000, t.getProtectedField());
    }

    /**
     * @title Trying to put float into integer field. Dalvik doens't distinguish 32-bits types
     * internally, so this operation makes no sense but shall not crash the VM.
     */
    public void testN6() {
        T_iput_5 t = new  T_iput_5();
        try {
            t.run(3.14f);
        } catch (Throwable e) {
        }
    }


    /**
     * @title expected NullPointerException
     */
    public void testE2() {
        T_iput_13 t = new T_iput_13();
        try {
            t.run();
            fail("expected NullPointerException");
        } catch (NullPointerException e) {
            // expected
        }
    }

    /**
     * @constraint A11
     * @title constant pool index
     */
    public void testVFE1() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_3");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     *
     * @constraint A23
     * @title number of registers
     */
    public void testVFE2() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_4");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }


    /**
     *
     * @constraint B14
     * @title put integer into long field - only field with same name but
     * different type exists
     */
    public void testVFE5() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_17");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     *
     * @constraint B14
     * @title type of field doesn't match opcode - attempt to modify double field
     * with single-width register
     */
    public void testVFE7() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_18");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint A11
     * @title Attempt to set static field. Java throws IncompatibleClassChangeError
     * on first access but Dalvik throws VerifyError on class loading.
     */
    public void testVFE8() {
         try {
             Class.forName("dot.junit.opcodes.iput.d.T_iput_7");
             fail("expected a verification exception");
         } catch (Throwable t) {
             DxUtil.checkVerifyException(t);
         }
    }

    /**
     * @constraint B12
     * @title Attempt to modify inaccessible protected field. Java throws IllegalAccessError
     * on first access but Dalvik throws VerifyError on class loading.
     */
    public void testVFE9() {
        //@uses dot.junit.opcodes.iput.TestStubs
        //@uses dot.junit.opcodes.iput.d.T_iput_8
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_8");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint n/a
     * @title Attempt to modify field of undefined class. Java throws NoClassDefFoundError
     * on first access but Dalvik throws VerifyError on class loading.
     */
    public void testVFE10() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_9");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint n/a
     * @title Attempt to modify undefined field. Java throws NoSuchFieldError
     * on first access but Dalvik throws VerifyError on class loading.
     */
    public void testVFE11() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_10");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }


    /**
     * @constraint n/a
     * @title Attempt to modify superclass' private field from subclass. Java
     * throws IllegalAccessError on first access but Dalvik throws VerifyError on class loading.
     */
    public void testVFE12() {
        //@uses dot.junit.opcodes.iput.d.T_iput_1
        //@uses dot.junit.opcodes.iput.d.T_iput_15
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_15");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }


    /**
     * @constraint B1
     * @title iput shall not work for wide numbers
     */
    public void testVFE13() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_2");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     *
     * @constraint B1
     * @title iput shall not work for reference fields
     */
    public void testVFE14() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_20");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     *
     * @constraint B1
     * @title iput shall not work for short fields
     */
    public void testVFE15() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_21");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     *
     * @constraint B1
     * @title iput shall not work for boolean fields
     */
    public void testVFE16() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_22");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     *
     * @constraint B1
     * @title iput shall not work for char fields
     */
    public void testVFE17() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_23");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     *
     * @constraint B1
     * @title iput shall not work for byte fields
     */
    public void testVFE18() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_24");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }


    /**
     * @constraint B6
     * @title instance fields may only be accessed on already initialized instances.
     */
    public void testVFE30() {
        try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_30");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }

    /**
     * @constraint n/a
     * @title Modification of final field in other class
     */
    public void testE5() {
        //@uses dot.junit.opcodes.iput.TestStubs
        //@uses dot.junit.opcodes.iput.d.T_iput_11
    	try {
            Class.forName("dot.junit.opcodes.iput.d.T_iput_11");
            fail("expected a verification exception");
        } catch (Throwable t) {
            DxUtil.checkVerifyException(t);
        }
    }
}