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Posted to commits@commons.apache.org by mb...@apache.org on 2012/07/13 22:14:14 UTC
svn commit: r1361376 - in /commons/proper/lang/trunk/src:
main/java/org/apache/commons/lang3/EnumUtils.java
test/java/org/apache/commons/lang3/EnumUtilsTest.java
Author: mbenson
Date: Fri Jul 13 20:14:14 2012
New Revision: 1361376
URL: http://svn.apache.org/viewvc?rev=1361376&view=rev
Log:
[LANG-812] Permit bitvector generation for Enums with \> 64 values; plus some test corrections
Modified:
commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/EnumUtils.java
commons/proper/lang/trunk/src/test/java/org/apache/commons/lang3/EnumUtilsTest.java
Modified: commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/EnumUtils.java
URL: http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/EnumUtils.java?rev=1361376&r1=1361375&r2=1361376&view=diff
==============================================================================
--- commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/EnumUtils.java (original)
+++ commons/proper/lang/trunk/src/main/java/org/apache/commons/lang3/EnumUtils.java Fri Jul 13 20:14:14 2012
@@ -18,6 +18,7 @@ package org.apache.commons.lang3;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collections;
import java.util.EnumSet;
import java.util.LinkedHashMap;
import java.util.List;
@@ -33,6 +34,11 @@ import java.util.Map;
*/
public class EnumUtils {
+ private static final String NULL_ELEMENTS_NOT_PERMITTED = "null elements not permitted";
+ private static final String CANNOT_STORE_S_S_VALUES_IN_S_BITS = "Cannot store %s %s values in %s bits";
+ private static final String S_DOES_NOT_SEEM_TO_BE_AN_ENUM_TYPE = "%s does not seem to be an Enum type";
+ private static final String ENUM_CLASS_MUST_BE_DEFINED = "EnumClass must be defined.";
+
/**
* This constructor is public to permit tools that require a JavaBean
* instance to operate.
@@ -124,24 +130,59 @@ public class EnumUtils {
* would create a value greater than a long can hold.</p>
*
* @param enumClass the class of the enum we are working with, not {@code null}
- * @param values the values we want to convert, not {@code null}
+ * @param values the values we want to convert, not {@code null}, neither containing {@code null}
* @param <E> the type of the enumeration
- * @return a long whose binary value represents the given set of enum values.
+ * @return a long whose value provides a binary representation of the given set of enum values.
* @throws NullPointerException if {@code enumClass} or {@code values} is {@code null}
- * @throws IllegalArgumentException if {@code enumClass} is not an enum class or has more than 64 values
+ * @throws IllegalArgumentException if {@code enumClass} is not an enum class or has more than 64 values,
+ * or if any {@code values} {@code null}
* @since 3.0.1
+ * @see #generateBitVectors(Class, Iterable)
*/
public static <E extends Enum<E>> long generateBitVector(Class<E> enumClass, Iterable<E> values) {
checkBitVectorable(enumClass);
Validate.notNull(values);
long total = 0;
for (E constant : values) {
+ Validate.isTrue(constant != null, NULL_ELEMENTS_NOT_PERMITTED);
total |= 1 << constant.ordinal();
}
return total;
}
/**
+ * <p>Creates a bit vector representation of the given subset of an Enum using as many {@code long}s as needed.</p>
+ *
+ * <p>This generates a value that is usable by {@link EnumUtils#processBitVectors}.</p>
+ *
+ * <p>Use this method if you have more than 64 values in your Enum.</p>
+ *
+ * @param enumClass the class of the enum we are working with, not {@code null}
+ * @param values the values we want to convert, not {@code null}, neither containing {@code null}
+ * @param <E> the type of the enumeration
+ * @return a long[] whose values provide a binary representation of the given set of enum values
+ * with least significant digits rightmost.
+ * @throws NullPointerException if {@code enumClass} or {@code values} is {@code null}
+ * @throws IllegalArgumentException if {@code enumClass} is not an enum class, or if any {@code values} {@code null}
+ * @since 3.2
+ */
+ public static <E extends Enum<E>> long[] generateBitVectors(Class<E> enumClass, Iterable<E> values) {
+ asEnum(enumClass);
+ Validate.notNull(values);
+ final EnumSet<E> condensed = EnumSet.noneOf(enumClass);
+ for (E constant : values) {
+ Validate.isTrue(constant != null, NULL_ELEMENTS_NOT_PERMITTED);
+ condensed.add(constant);
+ }
+ final long[] result = new long[(enumClass.getEnumConstants().length - 1) / Long.SIZE + 1];
+ for (E value : condensed) {
+ result[value.ordinal() / Long.SIZE] |= 1 << (value.ordinal() % Long.SIZE);
+ }
+ ArrayUtils.reverse(result);
+ return result;
+ }
+
+ /**
* <p>Creates a long bit vector representation of the given array of Enum values.</p>
*
* <p>This generates a value that is usable by {@link EnumUtils#processBitVector}.</p>
@@ -152,10 +193,11 @@ public class EnumUtils {
* @param enumClass the class of the enum we are working with, not {@code null}
* @param values the values we want to convert, not {@code null}
* @param <E> the type of the enumeration
- * @return a long whose binary value represents the given set of enum values.
+ * @return a long whose value provides a binary representation of the given set of enum values.
* @throws NullPointerException if {@code enumClass} or {@code values} is {@code null}
* @throws IllegalArgumentException if {@code enumClass} is not an enum class or has more than 64 values
* @since 3.0.1
+ * @see #generateBitVectors(Class, Iterable)
*/
public static <E extends Enum<E>> long generateBitVector(Class<E> enumClass, E... values) {
Validate.noNullElements(values);
@@ -163,6 +205,35 @@ public class EnumUtils {
}
/**
+ * <p>Creates a bit vector representation of the given subset of an Enum using as many {@code long}s as needed.</p>
+ *
+ * <p>This generates a value that is usable by {@link EnumUtils#processBitVectors}.</p>
+ *
+ * <p>Use this method if you have more than 64 values in your Enum.</p>
+ *
+ * @param enumClass the class of the enum we are working with, not {@code null}
+ * @param values the values we want to convert, not {@code null}, neither containing {@code null}
+ * @param <E> the type of the enumeration
+ * @return a long[] whose values provide a binary representation of the given set of enum values
+ * with least significant digits rightmost.
+ * @throws NullPointerException if {@code enumClass} or {@code values} is {@code null}
+ * @throws IllegalArgumentException if {@code enumClass} is not an enum class, or if any {@code values} {@code null}
+ * @since 3.2
+ */
+ public static <E extends Enum<E>> long[] generateBitVectors(Class<E> enumClass, E... values) {
+ asEnum(enumClass);
+ Validate.noNullElements(values);
+ final EnumSet<E> condensed = EnumSet.noneOf(enumClass);
+ Collections.addAll(condensed, values);
+ final long[] result = new long[(enumClass.getEnumConstants().length - 1) / Long.SIZE + 1];
+ for (E value : condensed) {
+ result[value.ordinal() / Long.SIZE] |= 1 << (value.ordinal() % Long.SIZE);
+ }
+ ArrayUtils.reverse(result);
+ return result;
+ }
+
+ /**
* <p>Convert a long value created by {@link EnumUtils#generateBitVector} into the set of
* enum values that it represents.</p>
*
@@ -176,10 +247,30 @@ public class EnumUtils {
* @since 3.0.1
*/
public static <E extends Enum<E>> EnumSet<E> processBitVector(Class<E> enumClass, long value) {
- final E[] constants = checkBitVectorable(enumClass).getEnumConstants();
- final EnumSet<E> results = EnumSet.noneOf(enumClass);
- for (E constant : constants) {
- if ((value & 1 << constant.ordinal()) != 0) {
+ checkBitVectorable(enumClass).getEnumConstants();
+ return processBitVectors(enumClass, value);
+ }
+
+ /**
+ * <p>Convert a {@code long[]} created by {@link EnumUtils#generateBitVectors} into the set of
+ * enum values that it represents.</p>
+ *
+ * <p>If you store this value, beware any changes to the enum that would affect ordinal values.</p>
+ * @param enumClass the class of the enum we are working with, not {@code null}
+ * @param values the long[] bearing the representation of a set of enum values, least significant digits rightmost, not {@code null}
+ * @param <E> the type of the enumeration
+ * @return a set of enum values
+ * @throws NullPointerException if {@code enumClass} is {@code null}
+ * @throws IllegalArgumentException if {@code enumClass} is not an enum class
+ * @since 3.2
+ */
+ public static <E extends Enum<E>> EnumSet<E> processBitVectors(Class<E> enumClass, long... values) {
+ final EnumSet<E> results = EnumSet.noneOf(asEnum(enumClass));
+ values = ArrayUtils.clone(Validate.notNull(values));
+ ArrayUtils.reverse(values);
+ for (E constant : enumClass.getEnumConstants()) {
+ int block = constant.ordinal() / Long.SIZE;
+ if (block < values.length && (values[block] & 1 << (constant.ordinal() % Long.SIZE)) != 0) {
results.add(constant);
}
}
@@ -196,13 +287,25 @@ public class EnumUtils {
* @since 3.0.1
*/
private static <E extends Enum<E>> Class<E> checkBitVectorable(Class<E> enumClass) {
- Validate.notNull(enumClass, "EnumClass must be defined.");
-
- final E[] constants = enumClass.getEnumConstants();
- Validate.isTrue(constants != null, "%s does not seem to be an Enum type", enumClass);
- Validate.isTrue(constants.length <= Long.SIZE, "Cannot store %s %s values in %s bits", constants.length,
+ final E[] constants = asEnum(enumClass).getEnumConstants();
+ Validate.isTrue(constants.length <= Long.SIZE, CANNOT_STORE_S_S_VALUES_IN_S_BITS, constants.length,
enumClass.getSimpleName(), Long.SIZE);
return enumClass;
}
+
+ /**
+ * Validate {@code enumClass}.
+ * @param <E> the type of the enumeration
+ * @param enumClass to check
+ * @return {@code enumClass}
+ * @throws NullPointerException if {@code enumClass} is {@code null}
+ * @throws IllegalArgumentException if {@code enumClass} is not an enum class
+ * @since 3.2
+ */
+ private static <E extends Enum<E>> Class<E> asEnum(Class<E> enumClass) {
+ Validate.notNull(enumClass, ENUM_CLASS_MUST_BE_DEFINED);
+ Validate.isTrue(enumClass.isEnum(), S_DOES_NOT_SEEM_TO_BE_AN_ENUM_TYPE, enumClass);
+ return enumClass;
+ }
}
Modified: commons/proper/lang/trunk/src/test/java/org/apache/commons/lang3/EnumUtilsTest.java
URL: http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/test/java/org/apache/commons/lang3/EnumUtilsTest.java?rev=1361376&r1=1361375&r2=1361376&view=diff
==============================================================================
--- commons/proper/lang/trunk/src/test/java/org/apache/commons/lang3/EnumUtilsTest.java (original)
+++ commons/proper/lang/trunk/src/test/java/org/apache/commons/lang3/EnumUtilsTest.java Fri Jul 13 20:14:14 2012
@@ -23,10 +23,12 @@ import static org.junit.Assert.assertFal
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.EnumSet;
import java.util.List;
import java.util.Map;
+import org.junit.Assert;
import org.junit.Test;
/**
@@ -98,20 +100,60 @@ public class EnumUtilsTest {
}
@Test(expected=NullPointerException.class)
+ public void test_generateBitVectors_nullClass() {
+ EnumUtils.generateBitVectors(null, EnumSet.of(Traffic.RED));
+ }
+
+ @Test(expected=NullPointerException.class)
public void test_generateBitVector_nullIterable() {
- EnumUtils.generateBitVector(null, (Iterable<Traffic>) null);
+ EnumUtils.generateBitVector(Traffic.class, (Iterable<Traffic>) null);
}
@Test(expected=NullPointerException.class)
+ public void test_generateBitVectors_nullIterable() {
+ EnumUtils.generateBitVectors(null, (Iterable<Traffic>) null);
+ }
+
+ @Test(expected=IllegalArgumentException.class)
+ public void test_generateBitVector_nullElement() {
+ EnumUtils.generateBitVector(Traffic.class, Arrays.asList(Traffic.RED, null));
+ }
+
+ @Test(expected=IllegalArgumentException.class)
+ public void test_generateBitVectors_nullElement() {
+ EnumUtils.generateBitVectors(Traffic.class, Arrays.asList(Traffic.RED, null));
+ }
+
+ @Test(expected=NullPointerException.class)
public void test_generateBitVector_nullClassWithArray() {
EnumUtils.generateBitVector(null, Traffic.RED);
}
@Test(expected=NullPointerException.class)
+ public void test_generateBitVectors_nullClassWithArray() {
+ EnumUtils.generateBitVectors(null, Traffic.RED);
+ }
+
+ @Test(expected=NullPointerException.class)
public void test_generateBitVector_nullArray() {
- EnumUtils.generateBitVector(null, (Traffic[]) null);
+ EnumUtils.generateBitVector(Traffic.class, (Traffic[]) null);
}
+ @Test(expected=NullPointerException.class)
+ public void test_generateBitVectors_nullArray() {
+ EnumUtils.generateBitVectors(Traffic.class, (Traffic[]) null);
+ }
+
+ @Test(expected=IllegalArgumentException.class)
+ public void test_generateBitVector_nullArrayElement() {
+ EnumUtils.generateBitVector(Traffic.class, Traffic.RED, null);
+ }
+
+ @Test(expected=IllegalArgumentException.class)
+ public void test_generateBitVectors_nullArrayElement() {
+ EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, null);
+ }
+
@Test(expected=IllegalArgumentException.class)
public void test_generateBitVector_longClass() {
EnumUtils.generateBitVector(TooMany.class, EnumSet.of(TooMany.A1));
@@ -134,11 +176,29 @@ public class EnumUtilsTest {
@SuppressWarnings("unchecked")
@Test(expected=IllegalArgumentException.class)
+ public void test_generateBitVectors_nonEnumClass() {
+ @SuppressWarnings("rawtypes")
+ Class rawType = Object.class;
+ @SuppressWarnings("rawtypes")
+ List rawList = new ArrayList();
+ EnumUtils.generateBitVectors(rawType, rawList);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Test(expected=IllegalArgumentException.class)
public void test_generateBitVector_nonEnumClassWithArray() {
@SuppressWarnings("rawtypes")
Class rawType = Object.class;
EnumUtils.generateBitVector(rawType);
}
+
+ @SuppressWarnings("unchecked")
+ @Test(expected=IllegalArgumentException.class)
+ public void test_generateBitVectors_nonEnumClassWithArray() {
+ @SuppressWarnings("rawtypes")
+ Class rawType = Object.class;
+ EnumUtils.generateBitVectors(rawType);
+ }
@Test
public void test_generateBitVector() {
@@ -153,6 +213,18 @@ public class EnumUtilsTest {
}
@Test
+ public void test_generateBitVectors() {
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.noneOf(Traffic.class)), 0L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.RED)), 1L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.AMBER)), 2L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.GREEN)), 4L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.RED, Traffic.AMBER)), 3L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.RED, Traffic.GREEN)), 5L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.AMBER, Traffic.GREEN)), 6L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN)), 7L);
+ }
+
+ @Test
public void test_generateBitVectorFromArray() {
assertEquals(0L, EnumUtils.generateBitVector(Traffic.class));
assertEquals(1L, EnumUtils.generateBitVector(Traffic.class, Traffic.RED));
@@ -166,15 +238,34 @@ public class EnumUtilsTest {
assertEquals(7L, EnumUtils.generateBitVector(Traffic.class, Traffic.RED, Traffic.AMBER, Traffic.GREEN, Traffic.GREEN));
}
+ @Test
+ public void test_generateBitVectorsFromArray() {
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class), 0L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED), 1L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.AMBER), 2L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.GREEN), 4L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, Traffic.AMBER), 3L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, Traffic.GREEN), 5L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.AMBER, Traffic.GREEN), 6L);
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, Traffic.AMBER, Traffic.GREEN), 7L);
+ //gracefully handles duplicates:
+ assertArrayEquals(EnumUtils.generateBitVectors(Traffic.class, Traffic.RED, Traffic.AMBER, Traffic.GREEN, Traffic.GREEN), 7L);
+ }
+
+ private void assertArrayEquals(long[] actual, long... expected) {
+ Assert.assertArrayEquals(expected, actual);
+ }
+
@Test(expected=NullPointerException.class)
public void test_processBitVector_nullClass() {
final Class<Traffic> empty = null;
EnumUtils.processBitVector(empty, 0L);
}
- @Test(expected=IllegalArgumentException.class)
- public void test_processBitVector_longClass() {
- EnumUtils.processBitVector(TooMany.class, 0L);
+ @Test(expected=NullPointerException.class)
+ public void test_processBitVectors_nullClass() {
+ final Class<Traffic> empty = null;
+ EnumUtils.processBitVectors(empty, 0L);
}
@Test
@@ -188,6 +279,85 @@ public class EnumUtilsTest {
assertEquals(EnumSet.of(Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVector(Traffic.class, 6L));
assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVector(Traffic.class, 7L));
}
+
+ @Test
+ public void test_processBitVectors() {
+ assertEquals(EnumSet.noneOf(Traffic.class), EnumUtils.processBitVectors(Traffic.class, 0L));
+ assertEquals(EnumSet.of(Traffic.RED), EnumUtils.processBitVectors(Traffic.class, 1L));
+ assertEquals(EnumSet.of(Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 2L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 3L));
+ assertEquals(EnumSet.of(Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 4L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 5L));
+ assertEquals(EnumSet.of(Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 6L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 7L));
+
+ assertEquals(EnumSet.noneOf(Traffic.class), EnumUtils.processBitVectors(Traffic.class, 0L, 0L));
+ assertEquals(EnumSet.of(Traffic.RED), EnumUtils.processBitVectors(Traffic.class, 0L, 1L));
+ assertEquals(EnumSet.of(Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 0L, 2L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 0L, 3L));
+ assertEquals(EnumSet.of(Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 0L, 4L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 0L, 5L));
+ assertEquals(EnumSet.of(Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 0L, 6L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 0L, 7L));
+
+ // demonstrate tolerance of irrelevant high-order digits:
+ assertEquals(EnumSet.noneOf(Traffic.class), EnumUtils.processBitVectors(Traffic.class, 666L, 0L));
+ assertEquals(EnumSet.of(Traffic.RED), EnumUtils.processBitVectors(Traffic.class, 666L, 1L));
+ assertEquals(EnumSet.of(Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 666L, 2L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER), EnumUtils.processBitVectors(Traffic.class, 666L, 3L));
+ assertEquals(EnumSet.of(Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 666L, 4L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 666L, 5L));
+ assertEquals(EnumSet.of(Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 666L, 6L));
+ assertEquals(EnumSet.of(Traffic.RED, Traffic.AMBER, Traffic.GREEN), EnumUtils.processBitVectors(Traffic.class, 666L, 7L));
+ }
+
+ @Test(expected=IllegalArgumentException.class)
+ public void test_processBitVector_longClass() {
+ EnumUtils.processBitVector(TooMany.class, 0L);
+ }
+
+ public void test_processBitVectors_longClass() {
+ assertEquals(EnumSet.noneOf(TooMany.class), EnumUtils.processBitVectors(TooMany.class, 0L));
+ assertEquals(EnumSet.of(TooMany.A), EnumUtils.processBitVectors(TooMany.class, 1L));
+ assertEquals(EnumSet.of(TooMany.B), EnumUtils.processBitVectors(TooMany.class, 2L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B), EnumUtils.processBitVectors(TooMany.class, 3L));
+ assertEquals(EnumSet.of(TooMany.C), EnumUtils.processBitVectors(TooMany.class, 4L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 5L));
+ assertEquals(EnumSet.of(TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 6L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 7L));
+
+ assertEquals(EnumSet.noneOf(TooMany.class), EnumUtils.processBitVectors(TooMany.class, 0L, 0L));
+ assertEquals(EnumSet.of(TooMany.A), EnumUtils.processBitVectors(TooMany.class, 0L, 1L));
+ assertEquals(EnumSet.of(TooMany.B), EnumUtils.processBitVectors(TooMany.class, 0L, 2L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B), EnumUtils.processBitVectors(TooMany.class, 0L, 3L));
+ assertEquals(EnumSet.of(TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 4L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 5L));
+ assertEquals(EnumSet.of(TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 6L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 7L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C), EnumUtils.processBitVectors(TooMany.class, 0L, 7L));
+
+ assertEquals(EnumSet.of(TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 0L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 1L));
+ assertEquals(EnumSet.of(TooMany.B, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 2L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 3L));
+ assertEquals(EnumSet.of(TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 4L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 5L));
+ assertEquals(EnumSet.of(TooMany.B, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 6L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 7L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 1L, 7L));
+
+ // demonstrate tolerance of irrelevant high-order digits:
+ assertEquals(EnumSet.of(TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 0L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 1L));
+ assertEquals(EnumSet.of(TooMany.B, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 2L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 3L));
+ assertEquals(EnumSet.of(TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 4L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 5L));
+ assertEquals(EnumSet.of(TooMany.B, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 6L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 7L));
+ assertEquals(EnumSet.of(TooMany.A, TooMany.B, TooMany.C, TooMany.M2), EnumUtils.processBitVectors(TooMany.class, 9L, 7L));
+ }
+
}
enum Traffic {