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test/jdk/java/io/InputStream/NullInputStream.java
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@@ -29,11 +29,11 @@
import org.testng.annotations.Test;
import static org.testng.Assert.*;
/*
* @test
- * @bug 4358774
+ * @bug 4358774 8139206
* @run testng NullInputStream
* @summary Check for expected behavior of InputStream.nullInputStream().
*/
public class NullInputStream {
private static InputStream openStream;
@@ -105,20 +105,40 @@
fail("Unexpected IOException");
}
}
@Test(groups = "open")
- public static void testreadNBytes() {
+ public static void testReadNBytes() {
try {
assertEquals(0, openStream.readNBytes(new byte[1], 0, 1),
"readNBytes(byte[],int,int) != 0");
} catch (IOException ioe) {
fail("Unexpected IOException");
}
}
@Test(groups = "open")
+ public static void testReadNBytesWithLength() {
+ try {
+ assertEquals(0, openStream.readNBytes(-1).length,
+ "readNBytes(-1) != 0");
+ fail("Expected IllegalArgumentException not thrown");
+ } catch (IllegalArgumentException iae) {
+ } catch (IOException ioe) {
+ fail("Unexpected IOException");
+ }
+ try {
+ assertEquals(0, openStream.readNBytes(0).length,
+ "readNBytes(0, false) != 0");
+ assertEquals(0, openStream.readNBytes(1).length,
+ "readNBytes(1, false) != 0");
+ } catch (IOException ioe) {
+ fail("Unexpected IOException");
+ }
+ }
+
+ @Test(groups = "open")
public static void testSkip() {
try {
assertEquals(0, openStream.skip(1), "skip() != 0");
} catch (IOException ioe) {
fail("Unexpected IOException");
@@ -179,10 +199,19 @@
} catch (IOException e) {
}
}
@Test(groups = "closed")
+ public static void testReadNBytesWithLengthClosed() {
+ try {
+ closedStream.readNBytes(1);
+ fail("Expected IOException not thrown");
+ } catch (IOException e) {
+ }
+ }
+
+ @Test(groups = "closed")
public static void testSkipClosed() {
try {
closedStream.skip(1);
fail("Expected IOException not thrown");
} catch (IOException e) {
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