pitest
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parent
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commit
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artist.txt
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.idea/
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target/
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*.iml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.usi.sq</groupId>
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<artifactId>SQ-2021-H6</artifactId>
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<version>1.0</version>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<junit.platform.version>1.7.0-M1</junit.platform.version>
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<junit.jupiter.version>5.6.2</junit.jupiter.version>
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<junit.vintage.version>5.6.2</junit.vintage.version>
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<junit.version>4.13.1</junit.version>
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</properties>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>3.0.0-M5</version>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.1</version>
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<configuration>
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<source>8</source>
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<target>8</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.jacoco</groupId>
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<artifactId>jacoco-maven-plugin</artifactId>
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<version>0.8.5</version>
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<executions>
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<execution>
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<goals>
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<goal>prepare-agent</goal>
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</goals>
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</execution>
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<!-- attached to Maven test phase -->
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<execution>
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<id>report</id>
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<phase>test</phase>
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<goals>
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<goal>report</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.pitest</groupId>
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<artifactId>pitest-maven</artifactId>
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<version>1.5.2</version>
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<configuration>
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<targetClasses>
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<param>org.usi.sq.util*</param>
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</targetClasses>
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<targetTests>
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<param>org.usi.sq.util*</param>
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<param>*</param>
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</targetTests>
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</configuration>
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<dependencies>
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<dependency>
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<groupId>org.pitest</groupId>
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<artifactId>pitest-junit5-plugin</artifactId>
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<version>0.12</version>
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</dependency>
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</dependencies>
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</plugin>
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</plugins>
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</build>
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<dependencies>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-api</artifactId>
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<version>${junit.jupiter.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-engine</artifactId>
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<version>${junit.jupiter.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.vintage</groupId>
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<artifactId>junit-vintage-engine</artifactId>
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<version>${junit.vintage.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<reporting>
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<plugins>
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<plugin>
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<groupId>org.jacoco</groupId>
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<artifactId>jacoco-maven-plugin</artifactId>
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<reportSets>
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<reportSet>
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<reports>
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<!-- select non-aggregate reports -->
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<report>report</report>
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</reports>
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</reportSet>
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</reportSets>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-report-plugin</artifactId>
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<version>3.0.0-M5</version>
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<configuration>
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<!-- place configuration here if required-->
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jxr-plugin</artifactId>
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<version>2.1</version>
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</plugin>
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</plugins>
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</reporting>
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</project>
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package org.usi.sq.util;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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public class CollectionUtils {
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private static final double EPSILON = 1e-6;
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/**
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* Implementation of insertion sort. Insertion sort can be used in cases
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* where the input list is almost sorted or small. The list implementation
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* should provide fast indexed access. Due to its quadratic worst-case
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* runtime complexity, other sorting algorithms should be used in the
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* general case.
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*
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* @param list the list to be sorted in-place
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* @param <T> the type of the elements in the list (need to be comparable)
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* @throws IllegalArgumentException if called with null pointer
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*/
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static <T extends Comparable<T>> void sort(List<T> list){
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if(list == null)
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throw new IllegalArgumentException("Sort must not be called with " +
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"null");
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for(int i = 1; i < list.size(); i++){
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T key = list.get(i);
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int j = 0;
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for(j = i-1; j >= 0; j--){
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T elem = list.get(j);
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if(elem.compareTo(key) > 0){ // check if elem > key
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list.set(j+1, elem);
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} else{
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break;
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}
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}
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list.set(j+1,key);
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}
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}
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}
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@ -0,0 +1,33 @@
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package org.usi.sq.util;
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import org.junit.jupiter.api.Test;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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class CollectionUtilsTest {
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private static <T extends Comparable<T>> void checkSort(List<T> source, List<T> expected) {
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List<T> target = new ArrayList<>(source);
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CollectionUtils.sort(target);
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assertEquals(expected, target);
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}
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private static <T> List<T> list(T... elements) {
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return Arrays.asList(elements);
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}
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private static <T> ArrayList<T> empty() {
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return new ArrayList<T>();
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}
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@Test
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public void checkSorted() {
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checkSort(empty(), empty());
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checkSort(list(0, 1, 2, 3, 4), list(0, 1, 2, 3, 4));
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checkSort(list(8, 4, 5, 6, 7), list(4, 5, 6, 7, 8));
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}
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}
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