From bff1b480953c080e45f31bbaaec96cc1539acc0d Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Thu, 30 May 2013 00:18:47 +0000
Subject: [PATCH] Added a unittest for APFloat::getSmallestNormalized.

llvm-svn: 182897
---
 unittests/ADT/APFloatTest.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/unittests/ADT/APFloatTest.cpp b/unittests/ADT/APFloatTest.cpp
index fce79941ff2..87744d547f5 100644
--- a/unittests/ADT/APFloatTest.cpp
+++ b/unittests/ADT/APFloatTest.cpp
@@ -824,6 +824,36 @@ TEST(APFloatTest, getSmallest) {
   EXPECT_TRUE(test.bitwiseIsEqual(expected));  
 }
 
+TEST(APFloatTest, getSmallestNormalized) {
+  APFloat test = APFloat::getSmallestNormalized(APFloat::IEEEsingle, false);
+  APFloat expected = APFloat(APFloat::IEEEsingle, "0x1p-126");
+  EXPECT_FALSE(test.isNegative());
+  EXPECT_TRUE(test.isNormal());
+  EXPECT_FALSE(test.isDenormal());
+  EXPECT_TRUE(test.bitwiseIsEqual(expected));
+
+  test = APFloat::getSmallestNormalized(APFloat::IEEEsingle, true);
+  expected = APFloat(APFloat::IEEEsingle, "-0x1p-126");
+  EXPECT_TRUE(test.isNegative());
+  EXPECT_TRUE(test.isNormal());
+  EXPECT_FALSE(test.isDenormal());
+  EXPECT_TRUE(test.bitwiseIsEqual(expected));
+
+  test = APFloat::getSmallestNormalized(APFloat::IEEEquad, false);
+  expected = APFloat(APFloat::IEEEquad, "0x1p-16382");
+  EXPECT_FALSE(test.isNegative());
+  EXPECT_TRUE(test.isNormal());
+  EXPECT_FALSE(test.isDenormal());
+  EXPECT_TRUE(test.bitwiseIsEqual(expected));
+
+  test = APFloat::getSmallestNormalized(APFloat::IEEEquad, true);
+  expected = APFloat(APFloat::IEEEquad, "-0x1p-16382");
+  EXPECT_TRUE(test.isNegative());
+  EXPECT_TRUE(test.isNormal());
+  EXPECT_FALSE(test.isDenormal());
+  EXPECT_TRUE(test.bitwiseIsEqual(expected));  
+}
+
 TEST(APFloatTest, convert) {
   bool losesInfo;
   APFloat test(APFloat::IEEEdouble, "1.0");