connectivity/nfc/CardReader/CardReaderSample/tests/src/com/example/android/cardreader/tests/SampleTests.java

/*
* Copyright 2013 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.
*/



/*
* Copyright (C) 2013 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 com.example.android.cardreader.tests;

import com.example.android.cardreader.*;

import android.test.ActivityInstrumentationTestCase2;

/**
* Tests for CardReader sample.
*/
public class SampleTests extends ActivityInstrumentationTestCase2<MainActivity> {

    private MainActivity mTestActivity;
    private CardReaderFragment mTestFragment;

    public SampleTests() {
        super(MainActivity.class);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        // Starts the activity under test using the default Intent with:
        // action = {@link Intent#ACTION_MAIN}
        // flags = {@link Intent#FLAG_ACTIVITY_NEW_TASK}
        // All other fields are null or empty.
        mTestActivity = getActivity();
        mTestFragment = (CardReaderFragment)
            mTestActivity.getSupportFragmentManager().getFragments().get(1);
    }

    /**
    * Test if the test fixture has been set up correctly.
    */
    public void testPreconditions() {
        //Try to add a message to add context to your assertions. These messages will be shown if
        //a tests fails and make it easy to understand why a test failed
        assertNotNull("mTestActivity is null", mTestActivity);
        assertNotNull("mTestFragment is null", mTestFragment);
    }

    /**
     * Test building SELECT APDU from AID string.
     */
    public void testBuildSelectApdu() {
        final String aid = "1234";
        final byte[] expectedResult = {(byte) 0x00, (byte) 0xA4, 04, (byte) 0x00, (byte) 0x02,
                (byte) 0x12, (byte) 0x34};
        final byte[] result = LoyaltyCardReader.BuildSelectApdu(aid);

        assertEquals(expectedResult.length, result.length);
        for (int i = 0; i < expectedResult.length; i++) {
            assertEquals(expectedResult[i], result[i]);
        }
    }

    /**
     * Test converting from a hex string to binary.
     */
    public void testHexToBinary() {
        final byte[] testData = {(byte) 0xc0, (byte) 0xff, (byte) 0xee};
        final byte[] output = LoyaltyCardReader.HexStringToByteArray("C0FFEE");
        for (int i = 0; i < testData.length; i++) {
            assertEquals(testData[i], output[i]);
        }
    }

    /**
     * Test converting from binary to a hex string
     */
    public void testBinaryToHex() {
        final byte[] input = {(byte) 0xc0, (byte) 0xff, (byte) 0xee};
        final String output = LoyaltyCardReader.ByteArrayToHexString(input);
        assertEquals("C0FFEE", output);
    }

}