commit 4b8c252dbd34d0b8d1d5defe7bbe5da288eed677
author clementbera <clementbera@google.com> Fri Jul 05 10:02:25 2019 +0200
committer clementbera <clementbera@google.com> Fri Jul 05 10:02:25 2019 +0200
tree 391c8377472f50ac6522824653a32d44920f3e0a
parent af29ed7f5c5d233afdee9b6a60d417cde0aea24f

Backport Java 9 Byte/Short compareUnsigned methods

Change-Id: Iffc29a824b37a5710cce370e43580a5091a4447c

src/test/examplesJava9/backport/ShortBackportJava9Main.java

diff --git a/src/test/examplesJava9/backport/ShortBackportJava9Main.java b/src/test/examplesJava9/backport/ShortBackportJava9Main.java
new file mode 100644
index 0000000..63764dd
--- /dev/null
+++ b/src/test/examplesJava9/backport/ShortBackportJava9Main.java
@@ -0,0 +1,38 @@
+package backport;
+
+public final class ShortBackportJava9Main {
+  private static final byte MIN_UNSIGNED_VALUE = (short) 0;
+  private static final byte MAX_UNSIGNED_VALUE = (short) -1;
+
+  public static void main(String[] args) {
+    testCompareUnsigned();
+  }
+
+  private static void testCompareUnsigned() {
+    assertTrue(Short.compareUnsigned(MIN_UNSIGNED_VALUE, MIN_UNSIGNED_VALUE) == 0);
+    assertTrue(Short.compareUnsigned(MIN_UNSIGNED_VALUE, Short.MAX_VALUE) < 0);
+    assertTrue(Short.compareUnsigned(MIN_UNSIGNED_VALUE, Short.MIN_VALUE) < 0);
+    assertTrue(Short.compareUnsigned(MIN_UNSIGNED_VALUE, MAX_UNSIGNED_VALUE) < 0);
+
+    assertTrue(Short.compareUnsigned(Short.MAX_VALUE, MIN_UNSIGNED_VALUE) > 0);
+    assertTrue(Short.compareUnsigned(Short.MAX_VALUE, Short.MAX_VALUE) == 0);
+    assertTrue(Short.compareUnsigned(Short.MAX_VALUE, Short.MIN_VALUE) < 0);
+    assertTrue(Short.compareUnsigned(Short.MAX_VALUE, MAX_UNSIGNED_VALUE) < 0);
+
+    assertTrue(Short.compareUnsigned(Short.MIN_VALUE, MIN_UNSIGNED_VALUE) > 0);
+    assertTrue(Short.compareUnsigned(Short.MIN_VALUE, Short.MAX_VALUE) > 0);
+    assertTrue(Short.compareUnsigned(Short.MIN_VALUE, Short.MIN_VALUE) == 0);
+    assertTrue(Short.compareUnsigned(Short.MIN_VALUE, MAX_UNSIGNED_VALUE) < 0);
+
+    assertTrue(Short.compareUnsigned(MAX_UNSIGNED_VALUE, MIN_UNSIGNED_VALUE) > 0);
+    assertTrue(Short.compareUnsigned(MAX_UNSIGNED_VALUE, Short.MAX_VALUE) > 0);
+    assertTrue(Short.compareUnsigned(MAX_UNSIGNED_VALUE, Short.MIN_VALUE) > 0);
+    assertTrue(Short.compareUnsigned(MAX_UNSIGNED_VALUE, MAX_UNSIGNED_VALUE) == 0);
+  }
+
+  private static void assertTrue(boolean value) {
+    if (!value) {
+      throw new AssertionError("Expected <true> but was <false>");
+    }
+  }
+}