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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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/*
* @test
* @bug 8012650
* @summary Unit test for setAll, parallelSetAll variants
* @run testng SetAllTest
*/
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import java.util.Arrays;
import java.util.function.IntFunction;
import java.util.function.IntToDoubleFunction;
import java.util.function.IntToLongFunction;
import java.util.function.IntUnaryOperator;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.assertSame;
import static org.testng.Assert.fail;
@Test
public class SetAllTest {
private static final IntFunction<String> toString = i -> "N" + Integer.valueOf(i);
private static final IntFunction<String> fillString = i -> "X";
private static final String[] r0 = {};
private static final String[] r1 = { "N0" };
private static final String[] r10 = { "N0", "N1", "N2", "N3", "N4", "N5", "N6", "N7", "N8", "N9" };
private Object[][] stringData = new Object[][] {
{ "empty", 0, toString, r0 },
{ "one", 1, toString, r1 },
{ "ten", 10, toString, r10 },
{ "fill", 3, fillString, new String[] { "X", "X", "X" }}
};
private static final IntUnaryOperator toInt = i -> i << 1;
private static final IntUnaryOperator fillInt = i -> 99;
private static final int[] ir0 = {};
private static final int[] ir1 = { 0 };
private static final int[] ir10 = { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 };
private Object[][] intData = new Object[][] {
{ "empty", 0, toInt, ir0 },
{ "one", 1, toInt, ir1 },
{ "ten", 10, toInt, ir10 },
{ "fill", 3, fillInt, new int[] { 99, 99, 99 }}
};
private static final IntToLongFunction toLong = i -> i << 1;
private static final IntToLongFunction fillLong = i -> 9999L;
private static final long[] lr0 = {};
private static final long[] lr1 = { 0L };
private static final long[] lr10 = { 0L, 2L, 4L, 6L, 8L, 10L, 12L, 14L, 16L, 18L };
private Object[][] longData = new Object[][] {
{ "empty", 0, toLong, lr0 },
{ "one", 1, toLong, lr1 },
{ "ten", 10, toLong, lr10 },
{ "fill", 3, fillLong, new long[] { 9999L, 9999L, 9999L }}
};
private static final IntToDoubleFunction toDouble = i -> i * 1.1;
private static final IntToDoubleFunction fillDouble = i -> 3.14;
private static final double[] dr0 = {};
private static final double[] dr1 = { 0.0 };
private static final double[] dr10 = { 0.0, 1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9 };
private Object[][] doubleData = new Object[][] {
{ "empty", 0, toDouble, dr0 },
{ "one", 1, toDouble, dr1 },
{ "ten", 10, toDouble, dr10 },
{ "fill", 3, fillDouble, new double[] { 3.14, 3.14, 3.14 }}
};
@DataProvider(name="string")
public Object[][] stringTests() { return stringData; }
@DataProvider(name="int")
public Object[][] intTests() { return intData; }
@DataProvider(name="long")
public Object[][] longTests() { return longData; }
@DataProvider(name="double")
public Object[][] doubleTests() { return doubleData; }
@Test(dataProvider = "string")
public void testSetAllString(String name, int size, IntFunction<String> generator, String[] expected) {
String[] result = new String[size];
Arrays.setAll(result, generator);
assertEquals(result, expected, "setAll(String[], IntFunction<String>) case " + name + " failed.");
// ensure fresh array
result = new String[size];
Arrays.parallelSetAll(result, generator);
assertEquals(result, expected, "parallelSetAll(String[], IntFunction<String>) case " + name + " failed.");
}
@Test(dataProvider = "int")
public void testSetAllInt(String name, int size, IntUnaryOperator generator, int[] expected) {
int[] result = new int[size];
Arrays.setAll(result, generator);
assertEquals(result, expected, "setAll(int[], IntUnaryOperator) case " + name + " failed.");
// ensure fresh array
result = new int[size];
Arrays.parallelSetAll(result, generator);
assertEquals(result, expected, "parallelSetAll(int[], IntUnaryOperator) case " + name + " failed.");
}
@Test(dataProvider = "long")
public void testSetAllLong(String name, int size, IntToLongFunction generator, long[] expected) {
long[] result = new long[size];
Arrays.setAll(result, generator);
assertEquals(result, expected, "setAll(long[], IntToLongFunction) case " + name + " failed.");
// ensure fresh array
result = new long[size];
Arrays.parallelSetAll(result, generator);
assertEquals(result, expected, "parallelSetAll(long[], IntToLongFunction) case " + name + " failed.");
}
private void assertDoubleArrayEquals(double[] actual, double[] expected, double delta, String msg) {
if (actual.length != expected.length) {
fail(msg + ": length mismatch, expected " + expected.length + ", got " + actual.length);
}
for (int i = 0; i < actual.length; i++) {
assertEquals(actual[i], expected[i], delta, msg + "(mismatch at index " + i + ")");
}
}
@Test(dataProvider = "double")
public void testSetAllDouble(String name, int size, IntToDoubleFunction generator, double[] expected) {
double[] result = new double[size];
Arrays.setAll(result, generator);
assertDoubleArrayEquals(result, expected, 0.05, "setAll(double[], IntToDoubleFunction) case " + name + " failed.");
// ensure fresh array
result = new double[size];
Arrays.parallelSetAll(result, generator);
assertDoubleArrayEquals(result, expected, 0.05, "setAll(double[], IntToDoubleFunction) case " + name + " failed.");
}
@Test
public void testStringSetNulls() {
String[] ar = new String[2];
try {
Arrays.setAll(null, (IntFunction<String>) i -> "X");
fail("Arrays.setAll(null, foo) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.parallelSetAll(null, (IntFunction<String>) i -> "X");
fail("Arrays.parallelSetAll(null, foo) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.setAll(ar, null);
fail("Arrays.setAll(array, null) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.parallelSetAll(ar, null);
fail("Arrays.parallelSetAll(array, null) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
}
@Test
public void testIntSetNulls() {
int[] ar = new int[2];
try {
Arrays.setAll(null, (IntUnaryOperator) i -> i);
fail("Arrays.setAll(null, foo) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.parallelSetAll(null, (IntUnaryOperator) i -> i);
fail("Arrays.parallelSetAll(null, foo) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.setAll(ar, null);
fail("Arrays.setAll(array, null) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.parallelSetAll(ar, null);
fail("Arrays.parallelSetAll(array, null) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
}
@Test
public void testLongSetNulls() {
long[] ar = new long[2];
try {
Arrays.setAll(null, (IntToLongFunction) i -> Long.MAX_VALUE);
fail("Arrays.setAll(null, foo) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.parallelSetAll(null, (IntToLongFunction) i -> Long.MAX_VALUE);
fail("Arrays.parallelSetAll(null, foo) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.setAll(ar, null);
fail("Arrays.setAll(array, null) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.parallelSetAll(ar, null);
fail("Arrays.parallelSetAll(array, null) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
}
@Test
public void testDoubleSetNulls() {
double[] ar = new double[2];
try {
Arrays.setAll(null, (IntToDoubleFunction) i -> Math.E);
fail("Arrays.setAll(null, foo) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.parallelSetAll(null, (IntToDoubleFunction) i -> Math.E);
fail("Arrays.parallelSetAll(null, foo) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.setAll(ar, null);
fail("Arrays.setAll(array, null) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
try {
Arrays.parallelSetAll(ar, null);
fail("Arrays.parallelSetAll(array, null) should throw NPE");
} catch (NullPointerException npe) {
// expected
}
}
}