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13  * accompanied this code).
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23 package org.openjdk.tests.java.util.stream;
24 
25 import org.openjdk.testlib.java.util.stream.IntStreamTestDataProvider;
26 import org.openjdk.testlib.java.util.stream.LambdaTestHelpers;
27 import org.openjdk.testlib.java.util.stream.OpTestCase;
28 import org.openjdk.testlib.java.util.stream.StreamTestDataProvider;
29 import org.openjdk.testlib.java.util.stream.TestData;
30 
31 import java.util.Collection;
32 import java.util.stream.Stream;
33 import java.util.stream.IntStream;
34 
35 import org.testng.annotations.Test;
36 
37 import static org.openjdk.testlib.java.util.stream.LambdaTestHelpers.assertCountSum;
38 import static org.openjdk.testlib.java.util.stream.LambdaTestHelpers.assertUnique;
39 
40 /**
41  * UniqOpTest
42  */
43 @Test
44 public class IntUniqOpTest extends OpTestCase {
45 
testUniqOp()46     public void testUniqOp() {
47         assertCountSum(IntStream.generate(() -> 0).limit(10).distinct().boxed(), 1, 0);
48         assertCountSum(IntStream.generate(() -> 1).limit(10).distinct().boxed(), 1, 1);
49         assertCountSum(IntStream.range(0, 0).distinct().boxed(), 0, 0);
50         assertCountSum(IntStream.range(1, 11).distinct().boxed(), 10, 55);
51         assertCountSum(IntStream.range(1, 11).distinct().boxed(), 10, 55);
52     }
53 
54     @Test(dataProvider = "IntStreamTestData", dataProviderClass = IntStreamTestDataProvider.class)
testOp(String name, TestData.OfInt data)55     public void testOp(String name, TestData.OfInt data) {
56         Collection<Integer> result = exerciseOps(data, s -> s.distinct().boxed());
57 
58         assertUnique(result);
59         if (data.size() > 0)
60             assertTrue(result.size() > 0);
61         else
62             assertTrue(result.size() == 0);
63         assertTrue(result.size() <= data.size());
64     }
65 
66     @Test(dataProvider = "IntStreamTestData", dataProviderClass = IntStreamTestDataProvider.class)
testOpSorted(String name, TestData.OfInt data)67     public void testOpSorted(String name, TestData.OfInt data) {
68         Collection<Integer> result = withData(data).
69                 stream(s -> s.sorted().distinct().boxed()).
70                 exercise();
71 
72         assertUnique(result);
73         if (data.size() > 0)
74             assertTrue(result.size() > 0);
75         else
76             assertTrue(result.size() == 0);
77         assertTrue(result.size() <= data.size());
78     }
79 }
80