v1/src/test/java/com/xtremelabs/robolectric/shadows/BundleTest.java

package com.xtremelabs.robolectric.shadows;

import android.os.Build;
import android.os.Bundle;
import android.os.Parcelable;
import com.xtremelabs.robolectric.Robolectric;
import com.xtremelabs.robolectric.WithTestDefaultsRunner;
import junit.framework.AssertionFailedError;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.util.ArrayList;

import static org.junit.Assert.*;


@RunWith(WithTestDefaultsRunner.class)
public class BundleTest {

    private Bundle bundle;

    @Before public void setUp() throws Exception {
        bundle = new Bundle();
    }

    @Test
    public void testContainsKey() throws Exception {
        assertFalse(bundle.containsKey("foo"));
        bundle.putString("foo", "bar");
        assertTrue(bundle.containsKey("foo"));
    }

    @Test
    public void testInt() {
        bundle.putInt("foo", 5);
        assertEquals(5,bundle.getInt("foo"));
        assertEquals(0,bundle.getInt("bar"));
        assertEquals(7, bundle.getInt("bar", 7));
    }

    @Test
    public void testSize() {
        assertEquals(0, bundle.size());
        bundle.putInt("foo", 5);
        assertEquals(1, bundle.size());
        bundle.putInt("bar", 5);
        assertEquals(2, bundle.size());
    }

    @Test
    public void testLong() {
        bundle.putLong("foo", 5);
        assertEquals(5, bundle.getLong("foo"));
        assertEquals(0,bundle.getLong("bar"));
        assertEquals(7, bundle.getLong("bar", 7));
    }

    @Test
    public void testDouble() {
        bundle.putDouble("foo", 5);
        assertEquals(Double.valueOf(5), Double.valueOf(bundle.getDouble("foo")));
        assertEquals(Double.valueOf(0),Double.valueOf(bundle.getDouble("bar")));
        assertEquals(Double.valueOf(7), Double.valueOf(bundle.getDouble("bar", 7)));
    }

    @Test
    public void testByte() {
        bundle.putByte("foo", (byte) 0xA);
        assertEquals((byte) 0xA, bundle.getByte("foo"));
        assertEquals((byte) 0x0, bundle.getByte("bar"));
        assertEquals((byte) 0x37, bundle.getByte("bar", (byte) 0x37).byteValue());
    }

    @Test
    public void testBoolean() {
        bundle.putBoolean("foo", true);
        assertEquals(true, bundle.getBoolean("foo"));
        assertEquals(false, bundle.getBoolean("bar"));
        assertEquals(true, bundle.getBoolean("bar", true));
    }

    @Test
    public void testShort() {
        bundle.putShort("foo", (short) 0xA);
        assertEquals((short) 0xA, bundle.getShort("foo"));
        assertEquals((short) 0x0, bundle.getShort("bar"));
        assertEquals((short) 0x37, bundle.getShort("bar", (short) 0x37));
    }

    @Test
    public void testFloat() {
        bundle.putFloat("foo", 5f);
        assertEquals(Float.valueOf(5), Float.valueOf(bundle.getFloat("foo")));
        assertEquals(Float.valueOf(0),Float.valueOf(bundle.getFloat("bar")));
        assertEquals(Float.valueOf(7), Float.valueOf(bundle.getFloat("bar", 7)));
    }

    @Test
    public void testStringHasValue() {
        bundle.putString("key", "value");
        assertEquals("value", bundle.getString("key"));
    }

    @Test
    public void testStringDoesNotHaveValue() {
        assertNull(bundle.getString("key"));
    }

    @Test
    public void testStringNullKey() {
        bundle.putString(null, "value");
        assertEquals("value", bundle.getString(null));
    }

    @Test
    public void testStringNullValue() {
        bundle.putString("key", null);
        assertNull(bundle.getString("key"));
    }

    @Test
    public void testStringApi1() {
        int previousApiLevel = Build.VERSION.SDK_INT;
        Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                Build.VERSION_CODES.BASE);

        try {
            bundle.getString("value", "defaultValue");
            fail();
        } catch (RuntimeException e) {
            // Expected
        } finally {
            Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                    previousApiLevel);
        }
    }

    @Test
    public void testStringApi12HasKey() {
        int previousApiLevel = Build.VERSION.SDK_INT;
        Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                Build.VERSION_CODES.HONEYCOMB_MR1);

        try {
            bundle.putString("key", "value");
            assertEquals("value", bundle.getString("key", "defaultValue"));
        } finally {
            Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                    previousApiLevel);
        }
    }

    @Test
    public void testStringApi12DoesNotHaveKey() {
        int previousApiLevel = Build.VERSION.SDK_INT;
        Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                Build.VERSION_CODES.HONEYCOMB_MR1);

        try {
            bundle.putString("key", "value");
            assertEquals("defaultValue", bundle.getString("foo", "defaultValue"));
        } finally {
            Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                    previousApiLevel);
        }
    }

    @Test
    public void testStringApi12NullKey() {
        int previousApiLevel = Build.VERSION.SDK_INT;
        Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                Build.VERSION_CODES.HONEYCOMB_MR1);

        try {
            bundle.putString(null, "value");
            assertEquals("value", bundle.getString(null, "defaultValue"));
        } finally {
            Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                    previousApiLevel);
        }
    }

    @Test
    public void testStringApi12NullValue() {
        int previousApiLevel = Build.VERSION.SDK_INT;
        Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                Build.VERSION_CODES.HONEYCOMB_MR1);

        try {
            bundle.putString("key", null);
            assertEquals("defaultValue", bundle.getString("key", "defaultValue"));
        } finally {
            Robolectric.Reflection.setFinalStaticField(Build.VERSION.class, "SDK_INT",
                    previousApiLevel);
        }
    }

    @Test
    public void testGetOfWrongType() {
        bundle.putFloat("foo", 5f);
        assertEquals(0, bundle.getChar("foo"));
        assertEquals(null, bundle.getCharArray("foo"));
        assertEquals(0, bundle.getInt("foo"));
        assertEquals(null, bundle.getIntArray("foo"));
        assertEquals(null, bundle.getIntegerArrayList("foo"));
        assertEquals(0, bundle.getShort("foo"));
        assertEquals(null, bundle.getShortArray("foo"));
        assertEquals(false, bundle.getBoolean("foo"));
        assertEquals(null, bundle.getBooleanArray("foo"));
        assertEquals(0, bundle.getLong("foo"));
        assertEquals(null, bundle.getLongArray("foo"));
        assertEquals(null, bundle.getFloatArray("foo"));
        assertEquals(0, bundle.getDouble("foo"), 0.005);
        assertEquals(null, bundle.getDoubleArray("foo"));
        assertEquals(null, bundle.getString("foo"));
        assertEquals(null, bundle.getStringArray("foo"));
        assertEquals(null, bundle.getStringArrayList("foo"));
        assertEquals(null, bundle.getBundle("foo"));
        assertEquals(null, bundle.getParcelable("foo"));
        assertEquals(null, bundle.getParcelableArray("foo"));
        assertEquals(null, bundle.getParcelableArrayList("foo"));

        bundle.putInt("foo", 1);
        assertEquals(0, bundle.getFloat("foo"), 0.005f);
    }

    @Test
    public void testRemove() {
        bundle.putFloat("foo", 5f);
        bundle.putFloat("foo2", 5f);

        bundle.remove("foo");

        assertFalse(bundle.containsKey("foo"));
        assertTrue(bundle.containsKey("foo2"));
    }

    @Test
    public void testClear() {
        bundle.putFloat("foo", 5f);

        bundle.clear();

        assertEquals(0, bundle.size());
    }

    @Test
    public void testIsEmpty() {
        assertTrue(bundle.isEmpty());
        bundle.putBoolean("foo", true);
        assertFalse(bundle.isEmpty());
    }

    @Test
    public void testStringArray() {
        bundle.putStringArray("foo", new String[] { "a" });
        Assert.assertArrayEquals(new String[] { "a" }, bundle.getStringArray("foo"));
        assertNull(bundle.getStringArray("bar"));
    }

    @Test
    public void testStringArrayList() {
        ArrayList<String> list = new ArrayList<String>();
        list.add("a");

        bundle.putStringArrayList("foo", new ArrayList<String>(list));
        Assert.assertEquals(list, bundle.getStringArrayList("foo"));
        assertNull(bundle.getStringArrayList("bar"));
    }

    @Test
    public void testIntegerArrayList() {
        ArrayList<Integer> list = new ArrayList<Integer>();
        list.add(100);

        bundle.putIntegerArrayList("foo", new ArrayList<Integer>(list));
        Assert.assertEquals(list, bundle.getIntegerArrayList("foo"));
        assertNull(bundle.getIntegerArrayList("bar"));
    }

    @Test
    public void testBundle() {
        Bundle innerBundle = new Bundle();
        innerBundle.putInt("int", 7);
        bundle.putBundle("bundle", innerBundle);

        assertEquals(innerBundle, bundle.getBundle("bundle"));
        assertNull(bundle.getBundle("bar"));
    }

    @Test
    public void testBooleanArray() {
        boolean [] arr = new boolean[] { false, true };
        bundle.putBooleanArray("foo", arr);

        assertArrayEquals(arr, bundle.getBooleanArray("foo"));
        assertNull(bundle.getBooleanArray("bar"));
    }

    @Test
    public void testByteArray() {
        byte [] arr = new byte[] { 12, 24 };
        bundle.putByteArray("foo", arr);

        Assert.assertArrayEquals(arr, bundle.getByteArray("foo"));
        assertNull(bundle.getByteArray("bar"));
    }

    @Test
    public void testCharArray() {
        char [] arr = new char[] { 'c', 'j' };
        bundle.putCharArray("foo", arr);

        Assert.assertArrayEquals(arr, bundle.getCharArray("foo"));
        assertNull(bundle.getCharArray("bar"));
    }

    @Test
    public void testDoubleArray() {
        double [] arr = new double[] { 1.2, 3.4 };
        bundle.putDoubleArray("foo", arr);

        assertArrayEquals(arr, bundle.getDoubleArray("foo"));
        assertNull(bundle.getDoubleArray("bar"));
    }

    @Test
    public void testIntArray() {
        int [] arr = new int[] { 87, 65 };
        bundle.putIntArray("foo", arr);

        Assert.assertArrayEquals(arr, bundle.getIntArray("foo"));
        assertNull(bundle.getIntArray("bar"));
    }

    @Test
    public void testLongArray() {
        long [] arr = new long[] { 23, 11 };
        bundle.putLongArray("foo", arr);

        Assert.assertArrayEquals(arr, bundle.getLongArray("foo"));
        assertNull(bundle.getLongArray("bar"));
    }

    @Test
    public void testShortArray() {
        short [] arr = new short[] { 89, 37 };
        bundle.putShortArray("foo", arr);

        Assert.assertArrayEquals(arr, bundle.getShortArray("foo"));
        assertNull(bundle.getShortArray("bar"));
    }

    @Test
    public void testParcelableArray() {
        Bundle innerBundle = new Bundle();
        innerBundle.putInt("value", 1);
        Parcelable[] arr = new Parcelable[] { innerBundle };
        bundle.putParcelableArray("foo", arr);

        Assert.assertArrayEquals(arr, bundle.getParcelableArray("foo"));
        assertNull(bundle.getParcelableArray("bar"));
    }

    @Test
    public void testCopyConstructor() {
        bundle.putInt("value", 1);
        Bundle copiedBundle = new Bundle(bundle);

        Assert.assertEquals(copiedBundle, bundle);
    }

    private void assertArrayEquals(double[] expected, double[] actual) {
        if (expected != null && actual == null) {
            throw new AssertionFailedError();
        } else if (expected == null && actual != null) {
            throw new AssertionFailedError();
        } else {
            for (int i = 0; i < expected.length; i++) {
                if (expected[i] != actual[i])
                    throw new AssertionFailedError();
            }

            if (expected.length != actual.length)
                throw new AssertionFailedError();
        }
    }

    private void assertArrayEquals(boolean[] expected, boolean[] actual) {
        if (expected != null && actual == null) {
            throw new AssertionFailedError();
        } else if (expected == null && actual != null) {
            throw new AssertionFailedError();
        } else {
            for (int i = 0; i < expected.length; i++) {
                if (expected[i] != actual[i])
                    throw new AssertionFailedError();
            }

            if (expected.length != actual.length)
                throw new AssertionFailedError();
        }
    }
}