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StreamToLoop tests grouped

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This commit is contained in:
Tagir Valeev
2017-01-27 17:38:37 +07:00
parent babce0b78c
commit fb6ba726e5
307 changed files with 2749 additions and 4686 deletions
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83
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/afterToArray.java Normal file
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// "Fix all 'Stream API call chain can be replaced with loop' problems in file" "true"
import java.util.*;
import java.util.function.IntFunction;
import java.util.stream.Stream;
public class Main {
private static Object[] test(int[] numbers) {
List<Integer> list = new ArrayList<>();
for (int number : numbers) {
Integer integer = number;
list.add(integer);
}
return list.toArray();
}
private static Integer[][] test2d(int[] numbers) {
List<Integer[]> list = new ArrayList<>();
for (int number : numbers) {
Integer n = number;
Integer[] integers = new Integer[]{n};
list.add(integers);
}
return list.toArray(new Integer[0][]);
}
private static Number[] testCovariant(int[] numbers) {
List<Integer> list = new ArrayList<>();
for (int number : numbers) {
Integer integer = number;
list.add(integer);
}
return list.toArray(new Integer[0]);
}
private static Number[] testCovariantLambda(int[] numbers) {
List<Integer> list = new ArrayList<>();
for (int number : numbers) {
Integer integer = number;
list.add(integer);
}
return list.toArray(new Integer[0]);
}
private static <A> A[] toArraySkippingNulls(List<?> list, IntFunction<A[]> generator) {
List<Object> result = new ArrayList<>();
for (Object o : list) {
if (o != null) {
result.add(o);
}
}
return result.toArray(generator.apply(0));
}
private static List<?>[] testGeneric(int[] numbers) {
List<List<Integer>> list = new ArrayList<>();
for (int number : numbers) {
Integer n = number;
List<Integer> integers = Collections.singletonList(n);
list.add(integers);
}
return list.toArray(new List<?>[0]);
}
private static Number[] testTypeMismatch(Object[] objects) {
List<Object> list = new ArrayList<>();
for (Object object : objects) {
if (object instanceof Number) {
list.add(object);
}
}
return list.toArray(new Number[0]);
}
public static void main(String[] args) {
System.out.println(Arrays.asList(test(new int[] {1,2,3})));
System.out.println(Arrays.asList(test2d(new int[] {1,2,3})));
System.out.println(Arrays.asList(testCovariant(new int[] {1,2,3})));
System.out.println(Arrays.asList(testCovariantLambda(new int[] {1,2,3})));
System.out.println(Arrays.asList(testGeneric(new int[] {1,2,3})));
System.out.println(Arrays.asList(testTypeMismatch(new Object[]{1, 2, 3, "string", 4})));
}
}