commit 55b16ceff1068cce61c86f2c9ca011a97c869bd4
author Ian Rogers <irogers@google.com> Fri Feb 17 14:47:17 2012 -0800
committer Ian Rogers <irogers@google.com> Fri Feb 17 14:47:17 2012 -0800
tree 83102ef8fecdf4b68a9f8c5a1b1847bea8e0fa6b
parent cbfe6fea382328cd5a0a9906b61da5ed4ae3eaab

Test behavior of int shifts >= 32

Change-Id: I6e228418068b70447295f367ed56ff8cb86abd33

test/003-omnibus-opcodes/expected.txt

diff --git a/test/003-omnibus-opcodes/expected.txt b/test/003-omnibus-opcodes/expected.txt
index 33322eb..afb0c19 100644
--- a/test/003-omnibus-opcodes/expected.txt
+++ b/test/003-omnibus-opcodes/expected.txt
@@ -6,6 +6,7 @@
 IntMath.shiftTest1
 IntMath.shiftTest2
 IntMath.unsignedShiftTest
+IntMath.shiftTest3
 IntMath.convTest
 IntMath.charSubTest
 IntMath.intOperTest

test/003-omnibus-opcodes/src/IntMath.java

diff --git a/test/003-omnibus-opcodes/src/IntMath.java b/test/003-omnibus-opcodes/src/IntMath.java
index be883b9..292fdd3 100644
--- a/test/003-omnibus-opcodes/src/IntMath.java
+++ b/test/003-omnibus-opcodes/src/IntMath.java
@@ -85,6 +85,39 @@
         Main.assertTrue(i == 268435455);
     }
 
+    static void shiftTest3(int thirtyTwo) {
+        System.out.println("IntMath.shiftTest3");
+
+        int one = thirtyTwo / 32;
+        int sixteen = thirtyTwo / 2;
+        int thirtyThree = thirtyTwo + 1;
+        int sixtyFour = thirtyTwo * 2;
+
+        Main.assertTrue(1 << thirtyTwo == 1);
+        Main.assertTrue((1 << sixteen) << sixteen == 0);
+        Main.assertTrue(1 << thirtyThree == 2);
+        Main.assertTrue(1 << -one == -2147483648);
+        Main.assertTrue(1 << -thirtyTwo == 1);
+        Main.assertTrue(1 << -thirtyThree == -2147483648);
+        Main.assertTrue(1 << thirtyThree == 2);
+
+        Main.assertTrue(1 >> thirtyTwo == 1);
+        Main.assertTrue((1 >> sixteen) >> sixteen == 0);
+        Main.assertTrue(1 >> thirtyThree == 0);
+        Main.assertTrue(1 >> -one == 0);
+        Main.assertTrue(1 >> -thirtyTwo == 1);
+        Main.assertTrue(1 >> -thirtyThree == 0);
+        Main.assertTrue(-4 >> thirtyThree == -2);
+
+        Main.assertTrue(1 >>> thirtyTwo == 1);
+        Main.assertTrue((1 >>> sixteen) >>> sixteen == 0);
+        Main.assertTrue(1 >>> thirtyThree == 0);
+        Main.assertTrue(1 >>> -one == 0);
+        Main.assertTrue(1 >>> -thirtyTwo == 1);
+        Main.assertTrue(1 >>> -thirtyThree == 0);
+        Main.assertTrue(-4 >>> thirtyThree == 2147483646);
+    }
+
     static void convTest() {
         System.out.println("IntMath.convTest");
 
@@ -469,6 +502,7 @@
         shiftTest1();
         shiftTest2();
         unsignedShiftTest();
+        shiftTest3(32);
         convTest();
         charSubTest();