diff -r b0e82dcf51fb -r b9bf26ea0118 vmtest/src/test/java/org/apidesign/bck2brwsr/tck/IntegerArithmeticTest.java
--- a/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/IntegerArithmeticTest.java	Tue Jan 15 12:26:19 2013 +0100
+++ b/vmtest/src/test/java/org/apidesign/bck2brwsr/tck/IntegerArithmeticTest.java	Thu Feb 07 17:41:41 2013 +0100
@@ -47,6 +47,10 @@
         return x % y;
     }
     
+    private static int neg(int x) {
+        return (-x);
+    }
+    
     @Compare public int addOverflow() {
         return add(Integer.MAX_VALUE, 1);
     }
@@ -91,6 +95,18 @@
         return mod(1, 2);
     }
     
+    @Compare public int negate() {
+        return neg(123456);
+    }
+    
+    @Compare public int negateMaxInt() {
+        return neg(Integer.MAX_VALUE);
+    }
+    
+    @Compare public int negateMinInt() {
+        return neg(Integer.MIN_VALUE);
+    }
+    
     @Compare public int sumTwoDimensions() {
         int[][] matrix = createMatrix(4, 3);
         matrix[0][0] += 10;