Sort the #include lines for unittest/...

[oota-llvm.git] / unittests / ADT / APIntTest.cpp

diff --git a/unittests/ADT/APIntTest.cpp b/unittests/ADT/APIntTest.cpp
index d5d2bc175fa9c17c2c68d0b4d9ac5a4515fba70c..2a4c5b4c494de1f8c9d8538866461417569de44a 100644 (file)
--- a/unittests/ADT/APIntTest.cpp
+++ b/unittests/ADT/APIntTest.cpp
@@ -7,10 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include <ostream>
-#include "gtest/gtest.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/SmallString.h"
+#include "gtest/gtest.h"
+#include <ostream>
 
 using namespace llvm;
 
@@ -171,6 +171,34 @@ TEST(APIntTest, i1) {
   EXPECT_EQ(zero, neg_one.srem(one));
   EXPECT_EQ(zero, neg_one.urem(one));
   EXPECT_EQ(zero, one.srem(neg_one));
+
+  // sdivrem
+  {
+  APInt q(8, 0);
+  APInt r(8, 0);
+  APInt one(8, 1);
+  APInt two(8, 2);
+  APInt nine(8, 9);
+  APInt four(8, 4);
+
+  EXPECT_EQ(nine.srem(two), one);
+  EXPECT_EQ(nine.srem(-two), one);
+  EXPECT_EQ((-nine).srem(two), -one);
+  EXPECT_EQ((-nine).srem(-two), -one);
+
+  APInt::sdivrem(nine, two, q, r);
+  EXPECT_EQ(four, q);
+  EXPECT_EQ(one, r);
+  APInt::sdivrem(-nine, two, q, r);
+  EXPECT_EQ(-four, q);
+  EXPECT_EQ(-one, r);
+  APInt::sdivrem(nine, -two, q, r);
+  EXPECT_EQ(-four, q);
+  EXPECT_EQ(one, r);
+  APInt::sdivrem(-nine, -two, q, r);
+  EXPECT_EQ(four, q);
+  EXPECT_EQ(-one, r);
+  }
 }
 
 TEST(APIntTest, fromString) {
@@ -480,6 +508,10 @@ TEST(APIntTest, Rotate) {
   EXPECT_EQ(APInt(8, 64),  APInt(8, 1).rotr(2));
   EXPECT_EQ(APInt(8, 16),  APInt(8, 1).rotr(4));
   EXPECT_EQ(APInt(8, 1),   APInt(8, 1).rotr(8));
+
+  APInt Big(256, "00004000800000000000000000003fff8000000000000000", 16);
+  APInt Rot(256, "3fff80000000000000000000000000000000000040008000", 16);
+  EXPECT_EQ(Rot, Big.rotr(144));
 }
 
 }