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111 lines (92 loc) · 2.93 KB
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/*
* Copyright 2011-2016 David Karnok
*
* 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 ix;
import java.io.IOException;
import java.util.concurrent.Callable;
import org.junit.*;
public class IxTest {
@Test(expected = RuntimeException.class)
public void checkedCallWraps() {
Ix.checkedCall(new Callable<Integer>() {
@Override
public Integer call() throws Exception {
throw new IOException();
}
});
}
@Test(expected = InternalError.class)
public void checkedCallNoWrapsError() {
Ix.checkedCall(new Callable<Integer>() {
@Override
public Integer call() throws Exception {
throw new InternalError();
}
});
}
@Test(expected = IllegalArgumentException.class)
public void checkedCallNoWrapping() {
Ix.checkedCall(new Callable<Integer>() {
@Override
public Integer call() throws Exception {
throw new IllegalArgumentException();
}
});
}
@Test
public void nullCheck() {
Ix.nullCheck(1, "Should not fail");
try {
Ix.nullCheck(null, "Failure");
Assert.fail("Failed to throw NPE");
} catch (NullPointerException ex) {
Assert.assertEquals("Failure", ex.getMessage());
}
}
@Test
public void nonNegativeLong() {
Ix.nonNegative(0L, "n");
Ix.nonNegative(1L, "n");
try {
Ix.nonNegative(-99L, "n");
} catch (IllegalArgumentException ex) {
Assert.assertEquals("n >= 0 required but it was -99", ex.getMessage());
}
}
@Test
public void nonNegativeInt() {
Ix.nonNegative(0, "n");
Ix.nonNegative(1, "n");
try {
Ix.nonNegative(-99, "n");
} catch (IllegalArgumentException ex) {
Assert.assertEquals("n >= 0 required but it was -99", ex.getMessage());
}
}
@Test
public void positiveInt() {
Ix.nonNegative(1, "n");
try {
Ix.positive(0, "n");
} catch (IllegalArgumentException ex) {
Assert.assertEquals("n > 0 required but it was 0", ex.getMessage());
}
try {
Ix.positive(-99, "n");
} catch (IllegalArgumentException ex) {
Assert.assertEquals("n > 0 required but it was -99", ex.getMessage());
}
}
}