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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.mojo.bindings;
import android.support.test.filters.SmallTest;
import junit.framework.TestCase;
import java.nio.charset.Charset;
/**
* Testing {@link BindingsHelper}.
*/
public class BindingsHelperTest extends TestCase {
/**
* Testing {@link BindingsHelper#utf8StringSizeInBytes(String)}.
*/
@SmallTest
public void testUTF8StringLength() {
String[] stringsToTest = {
"",
"a",
"hello world",
"éléphant",
"𠜎𠜱𠝹𠱓𠱸𠲖𠳏𠳕",
"你午饭想吃什么",
"你午饭想吃什么\0éléphant",
};
for (String s : stringsToTest) {
assertEquals(s.getBytes(Charset.forName("utf8")).length,
BindingsHelper.utf8StringSizeInBytes(s));
}
assertEquals(1, BindingsHelper.utf8StringSizeInBytes("\0"));
String s = new StringBuilder().appendCodePoint(0x0).appendCodePoint(0x80)
.appendCodePoint(0x800).appendCodePoint(0x10000).toString();
assertEquals(10, BindingsHelper.utf8StringSizeInBytes(s));
assertEquals(10, s.getBytes(Charset.forName("utf8")).length);
}
/**
* Testing {@link BindingsHelper#align(int)}.
*/
@SmallTest
public void testAlign() {
for (int i = 0; i < 3 * BindingsHelper.ALIGNMENT; ++i) {
int j = BindingsHelper.align(i);
assertTrue(j >= i);
assertTrue(j % BindingsHelper.ALIGNMENT == 0);
assertTrue(j - i < BindingsHelper.ALIGNMENT);
}
}
}
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