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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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51
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamToLoop/beforeMinMax.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.IntSupplier;
public class Main {
public static String testMaxComparator(List<String> strings) {
return strings.stream().ma<caret>x(Comparator.comparing(String::length)).orElse(null);
}
public static OptionalDouble testMaxDouble(List<String> strings) {
return strings.stream().mapToDouble(String::length).max();
}
private static Optional<String> testMaxLambda(Map<String, List<String>> dependencies, String fruits, Map<String, Integer> weights) {
return dependencies.get(fruits).stream().max((o1, o2) -> weights.get(o1)-weights.get(o2));
}
private static Optional<String> testMaxLambdaTernary(Map<String, List<String>> dependencies, String fruits, Map<String, String> weights) {
return dependencies.get(fruits).stream().max((o1, o2) -> o1.compareTo(o2) < 0 ? -1 : o1.compareTo(o2) > 0 ? 1 : 0);
}
private static Optional<String> testMaxReverseOrder(Map<String, List<String>> dependencies, String fruits, Map<String, String> weights) {
return dependencies.get(fruits).stream().max(Collections.reverseOrder());
}
public static String testMinPassedComparator(List<String> strings, Comparator<String> cmp) {
return strings.stream().min(cmp).orElse(null);
}
public static String testMinReversedComparator(List<String> strings, Comparator<CharSequence> comparator) {
return strings.stream().min(comparator.reversed()).orElseGet(strings::toString);
}
public static int testMinInt(List<String> strings, IntSupplier supplier) {
return strings.stream().mapToInt(String::length).min().orElseGet(supplier);
}
public static void main(String[] args) {
System.out.println(testMaxComparator(Arrays.asList()));
System.out.println(testMaxComparator(Arrays.asList("a", "bbb", "cc", "d", "eee")));
System.out.println(testMaxDouble(Arrays.asList()));
System.out.println(testMaxDouble(Arrays.asList("a", "bbb", "cc", "d")));
System.out.println(testMinPassedComparator(Arrays.asList(), Comparator.comparing(String::length)));
System.out.println(testMinPassedComparator(Arrays.asList("a", "bbb", "cc", "d", "eee"), Comparator.comparing(String::length)));
System.out.println(testMinReversedComparator(Arrays.asList(), Comparator.comparing(CharSequence::length)));
System.out.println(testMinReversedComparator(Arrays.asList("a", "bbb", "cc", "d", "eee"), Comparator.comparing(CharSequence::length)));
System.out.println(testMinInt(Arrays.asList(), () -> -1));
System.out.println(testMinInt(Arrays.asList("a", "bbb", "cc", "d"), () -> 2));
}
}