import java.nio.BufferOverflowException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
+import java.nio.LongBuffer;
import java.nio.ShortBuffer;
public class Main {
public static void main(String[] args) {
- intFloatTest();
- basicShortTest();
+ ByteBuffer buf = ByteBuffer.allocateDirect(16);
+ System.out.println("Direct byte buffer has array: " + buf.hasArray());
+
+ intFloatTest();
+ basicShortTest();
+ primTest();
}
/*
int1.put (data);
int1.position (0);
}
+
+ /*
+ * Exercise all "view buffer" classes, in both byte orders.
+ */
+ public static void primTest() {
+ ByteBuffer directBuf = ByteBuffer.allocateDirect(36);
+ directBuf.order(ByteOrder.BIG_ENDIAN);
+ storeValues(directBuf);
+
+ for (int i = 0; i < 36; i++) {
+ directBuf.put(i, (byte) 0xcc);
+ }
+
+ directBuf.order(ByteOrder.LITTLE_ENDIAN);
+ storeValues(directBuf);
+ }
+
+ static void storeValues(ByteBuffer directBuf) {
+ directBuf.position(0);
+ ShortBuffer shortBuf = directBuf.asShortBuffer();
+ CharBuffer charBuf = directBuf.asCharBuffer();
+ IntBuffer intBuf = directBuf.asIntBuffer();
+ FloatBuffer floatBuf = directBuf.asFloatBuffer();
+ LongBuffer longBuf = directBuf.asLongBuffer();
+ DoubleBuffer doubleBuf = directBuf.asDoubleBuffer();
+
+ final byte byteValue = -5;
+ final short shortValue = -1234;
+ final char charValue = 49200;
+ final int intValue = 0x12345678;
+ final float floatValue = 3.14159f;
+ final long longValue = 0x1122334455667788L;
+ final double doubleValue = Double.MIN_VALUE;
+
+ if (directBuf.put(1, byteValue).get(1) != byteValue) {
+ throw new RuntimeException("byte get/store failed");
+ }
+ if (shortBuf.put(1, shortValue).get(1) != shortValue) {
+ throw new RuntimeException("short get/store failed");
+ }
+ if (charBuf.put(2, charValue).get(2) != charValue) {
+ throw new RuntimeException("char get/store failed");
+ }
+ if (intBuf.put(2, intValue).get(2) != intValue) {
+ throw new RuntimeException("int get/store failed");
+ }
+ if (floatBuf.put(3, floatValue).get(3) != floatValue) {
+ throw new RuntimeException("float get/store failed");
+ }
+ if (longBuf.put(2, longValue).get(2) != longValue) {
+ throw new RuntimeException("long get/store failed");
+ }
+ if (doubleBuf.put(3, doubleValue).get(3) != doubleValue) {
+ throw new RuntimeException("double get/store failed");
+ }
+
+ directBuf.position(0);
+ char[] outBuf = new char[directBuf.limit() * 2];
+ for (int i = 0; i < directBuf.limit(); i++) {
+ byte b = directBuf.get();
+ outBuf[i*2] = hexChar((byte) ((b >> 4) & 0x0f));
+ outBuf[i*2+1] = hexChar((byte) (b & 0x0f));
+ }
+ System.out.println(new String(outBuf));
+ }
+
+ static char hexChar(byte b) {
+ if (b < 10) {
+ return (char) ('0' + b);
+ } else {
+ return (char) ('a' + b - 10);
+ }
+ }
}
import java.util.Currency;
import java.util.Date;
import java.util.Locale;
+import java.util.MissingResourceException;
import java.util.TimeZone;
/**
}
try {
- testTimeZone();
+ testIso3();
} catch (Exception ex) {
ex.printStackTrace();
}
Locale usa = new Locale("en", "US");
Calendar usaCal = Calendar.getInstance(tz, usa);
+ usaCal.clear(); // don't want current date/time
usaCal.set(2012, Calendar.JANUARY, 1);
Date when = usaCal.getTime();
DateFormat fmt = DateFormat.getDateInstance(DateFormat.FULL, usa);
- System.out.println("USA: " + fmt.format(when));
+ fmt.setTimeZone(tz); // defaults to local TZ; force GMT
+ System.out.println("USA(" + fmt.getTimeZone().getID() + "): "
+ + fmt.format(when));
System.out.println("USA: first="
+ usaCal.getFirstDayOfWeek() + ", name="
Locale france = new Locale("fr", "FR");
Calendar franceCal = Calendar.getInstance(tz, france);
+ franceCal.clear();
franceCal.set(2012, Calendar.JANUARY, 2);
when = franceCal.getTime();
fmt = DateFormat.getDateInstance(DateFormat.FULL, usa);
- System.out.println("France: " + fmt.format(when));
+ fmt.setTimeZone(tz); // defaults to local TZ; force GMT
+ System.out.println("France(" + fmt.getTimeZone().getID() + "): "
+ + fmt.format(when));
System.out.println("France: first="
+ franceCal.getFirstDayOfWeek() + ", name="
System.out.println("Normalizer passed");
}
- static void testTimeZone() {
+ /*
+ * Test that we can set and get an ISO3 language code. Support for this
+ * is expected by the Android framework.
+ */
+ static void testIso3() {
+ Locale loc;
+ loc = new Locale("en", "US");
+ System.out.println("loc: " + loc);
+ System.out.println(" iso3=" + loc.getISO3Language());
+
+ loc = new Locale("eng", "USA");
+ System.out.println("loc: " + loc);
+ try {
+ System.out.println(" iso3=" + loc.getISO3Language());
+ } catch (MissingResourceException mre) {
+ System.err.println("couldn't get iso3 language");
+ }
}
}