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Copy pathAsComposeTest.java
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54 lines (46 loc) · 1.64 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 org.junit.*;
public class AsComposeTest {
@Test
public void normal() {
Integer value = Ix.range(1, 5).as(new IxFunction<Ix<Integer>, Integer>() {
@Override
public Integer apply(Ix<Integer> ix) {
return ix.first();
}
});
Assert.assertEquals(1, value.intValue());
}
@Test
public void compose() {
Ix<String> source = Ix.range(1, 5).compose(new IxFunction<Ix<Integer>, Iterable<String>>() {
@Override
public Iterable<String> apply(Ix<Integer> ix) {
final int[] index = { 1 };
return ix.map(new IxFunction<Integer, String>() {
@Override
public String apply(Integer v) {
return v + "-" + (index[0]++);
}
});
}
});
IxTestHelper.assertValues(source, "1-1", "2-2", "3-3", "4-4", "5-5");
IxTestHelper.assertValues(source, "1-1", "2-2", "3-3", "4-4", "5-5");
}
}