How to use

SortLabelsTest

in

weka.filters.unsupervised.attribute

/**
 * Tests the case-sensitive sorting on all attributes.
 */
public void testCaseSensitive() {
 m_Filter = getFilter(SortLabels.SORT_CASESENSITIVE, "first-last");
 testBuffered();
 Instances result = performTest();
 String[] sorted = new String[]{"b", "g", "r"};
 for (int i = 0; i < sorted.length; i++)
  assertEquals("Values differ for index #" + (i+1), result.attribute(0).value(i), sorted[i]);
}

 /**
  * Runs the test from commandline.
  * 
  * @param args    ignored
  */
 public static void main(String[] args){
  TestRunner.run(suite());
 }
}

 fail("Exception thrown on setInputFormat(): \n" + ex.getMessage());
 assertNotNull(result);
 fail("Exception thrown on useFilter(): \n" + ex.getMessage());
assertEquals("Number of attributes", icopy.numAttributes(), result.numAttributes());
assertEquals("Number of instances", icopy.numInstances(), m_Instances.numInstances());
for (int i = 0; i < result.numAttributes(); i++) {
 assertEquals("Number of values differ for attribute #" + (i+1), icopy.attribute(i).numValues(), result.attribute(i).numValues());
valuesResult.add(result.attribute(i).value(n));
 assertEquals("Values differ for attribute #" + (i+1), valuesOriginal, valuesResult);

 fail("Exception thrown on setInputFormat(): \n" + ex.getMessage());
 assertNotNull(result);
 fail("Exception thrown on useFilter(): \n" + ex.getMessage());
assertEquals("Number of attributes", icopy.numAttributes(), result.numAttributes());
assertEquals("Number of instances", icopy.numInstances(), m_Instances.numInstances());
for (int i = 0; i < result.numAttributes(); i++) {
 assertEquals("Number of values differ for attribute #" + (i+1), icopy.attribute(i).numValues(), result.attribute(i).numValues());
valuesResult.add(result.attribute(i).value(n));
 assertEquals("Values differ for attribute #" + (i+1), valuesOriginal, valuesResult);

/**
 * Tests the case-insensitive sorting on all attributes.
 */
public void testCaseInsensitive() {
 m_Filter = getFilter(SortLabels.SORT_CASEINSENSITIVE, "first-last");
 testBuffered();
 Instances result = performTest();
 String[] sorted = new String[]{"b", "g", "r"};
 for (int i = 0; i < sorted.length; i++)
  assertEquals("Values differ for index #" + (i+1), sorted[i], result.attribute(0).value(i));
}

 /**
  * Runs the test from commandline.
  * 
  * @param args    ignored
  */
 public static void main(String[] args){
  TestRunner.run(suite());
 }
}

/**
 * Tests the case-insensitive sorting on all attributes.
 */
public void testCaseInsensitive() {
 m_Filter = getFilter(SortLabels.SORT_CASEINSENSITIVE, "first-last");
 testBuffered();
 Instances result = performTest();
 String[] sorted = new String[]{"b", "g", "r"};
 for (int i = 0; i < sorted.length; i++)
  assertEquals("Values differ for index #" + (i+1), sorted[i], result.attribute(0).value(i));
}

/**
 * Tests the case-sensitive sorting on all attributes.
 */
public void testCaseSensitive() {
 m_Filter = getFilter(SortLabels.SORT_CASESENSITIVE, "first-last");
 testBuffered();
 Instances result = performTest();
 String[] sorted = new String[]{"b", "g", "r"};
 for (int i = 0; i < sorted.length; i++)
  assertEquals("Values differ for index #" + (i+1), result.attribute(0).value(i), sorted[i]);
}

/**
 * Tests that ordering didn't change.
 */
public void testUnchangedOrder() {
 m_Filter = getFilter(SortLabels.SORT_CASESENSITIVE, "first-last");
 testBuffered();
 Instances result = performTest();
 for (int i = 0; i < m_Instances.attribute(2).numValues(); i++)
  assertEquals("Values differ for index #" + (i+1), m_Instances.attribute(2).value(i), result.attribute(2).value(i));
}

/**
 * Tests that ordering didn't change.
 */
public void testUnchangedOrder() {
 m_Filter = getFilter(SortLabels.SORT_CASESENSITIVE, "first-last");
 testBuffered();
 Instances result = performTest();
 for (int i = 0; i < m_Instances.attribute(2).numValues(); i++)
  assertEquals("Values differ for index #" + (i+1), m_Instances.attribute(2).value(i), result.attribute(2).value(i));
}