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BufRangeTest.java
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BufRangeTest.java
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/*-
* #%L
* rapidoid-networking
* %%
* Copyright (C) 2014 - 2018 Nikolche Mihajlovski and contributors
* %%
* 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.
* #L%
*/
package org.rapidoid.buffer;
import org.junit.Test;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.data.BufRange;
import org.rapidoid.test.TestRnd;
@Authors("Nikolche Mihajlovski")
@Since("2.0.0")
public class BufRangeTest extends BufferTestCommons {
@Test
public void shouldBackupAndRestore() {
BufRange range = new BufRange(10, 3);
eq(range, 10, 3);
long backup = range.backup();
range.set(7, 17);
eq(range, 7, 17);
range.restore(backup);
eq(range, 10, 3);
}
@Test
public void statisticalTest() {
BufRange rng = new BufRange();
isTrue(rng.isEmpty());
int[] borders = {Integer.MIN_VALUE, -1111, -1, 0, 1, 1111, Integer.MAX_VALUE};
for (int i = 0; i < borders.length; i++) {
for (int j = 0; j < borders.length; j++) {
check(rng, borders[i], borders[j]);
}
}
for (int i = 0; i < 1000000; i++) {
check(rng, TestRnd.rnd(), TestRnd.rnd());
}
}
private void check(BufRange rng, int a, int b) {
rng.set(a, b);
eq(rng, a, b);
eq(rng.limit(), rng.start + rng.length);
long backup = rng.backup();
rng.set(TestRnd.rnd(), TestRnd.rnd());
rng.restore(backup);
eq(rng, a, b);
}
}