Added a unit test for r173983 that verifies that Target.isiOS() works correctly.

As a bonus I put in some extra checks to make sure that we are identifying the
machine word of various Mac OS X/iOS targets appropriately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173994 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ADT/TripleTest.cpp b/unittests/ADT/TripleTest.cpp
index 7c3ab97..b402896 100644
--- a/unittests/ADT/TripleTest.cpp
+++ b/unittests/ADT/TripleTest.cpp
@@ -407,6 +407,11 @@
   unsigned Major, Minor, Micro;
 
   T = Triple("i386-apple-darwin9");
+  EXPECT_TRUE(T.isMacOSX());
+  EXPECT_FALSE(T.isiOS());
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_TRUE(T.isArch32Bit());
+  EXPECT_FALSE(T.isArch64Bit());
   T.getMacOSXVersion(Major, Minor, Micro);
   EXPECT_EQ((unsigned)10, Major);
   EXPECT_EQ((unsigned)5, Minor);
@@ -417,6 +422,11 @@
   EXPECT_EQ((unsigned)0, Micro);
 
   T = Triple("x86_64-apple-darwin9");
+  EXPECT_TRUE(T.isMacOSX());
+  EXPECT_FALSE(T.isiOS());
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_FALSE(T.isArch32Bit());
+  EXPECT_TRUE(T.isArch64Bit());
   T.getMacOSXVersion(Major, Minor, Micro);
   EXPECT_EQ((unsigned)10, Major);
   EXPECT_EQ((unsigned)5, Minor);
@@ -427,6 +437,11 @@
   EXPECT_EQ((unsigned)0, Micro);
 
   T = Triple("x86_64-apple-macosx");
+  EXPECT_TRUE(T.isMacOSX());
+  EXPECT_FALSE(T.isiOS());
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_FALSE(T.isArch32Bit());
+  EXPECT_TRUE(T.isArch64Bit());
   T.getMacOSXVersion(Major, Minor, Micro);
   EXPECT_EQ((unsigned)10, Major);
   EXPECT_EQ((unsigned)4, Minor);
@@ -437,6 +452,11 @@
   EXPECT_EQ((unsigned)0, Micro);
 
   T = Triple("x86_64-apple-macosx10.7");
+  EXPECT_TRUE(T.isMacOSX());
+  EXPECT_FALSE(T.isiOS());
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_FALSE(T.isArch32Bit());
+  EXPECT_TRUE(T.isArch64Bit());
   T.getMacOSXVersion(Major, Minor, Micro);
   EXPECT_EQ((unsigned)10, Major);
   EXPECT_EQ((unsigned)7, Minor);
@@ -447,6 +467,11 @@
   EXPECT_EQ((unsigned)0, Micro);
 
   T = Triple("armv7-apple-ios");
+  EXPECT_FALSE(T.isMacOSX());
+  EXPECT_TRUE(T.isiOS());
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_TRUE(T.isArch32Bit());
+  EXPECT_FALSE(T.isArch64Bit());
   T.getMacOSXVersion(Major, Minor, Micro);
   EXPECT_EQ((unsigned)10, Major);
   EXPECT_EQ((unsigned)4, Minor);
@@ -457,6 +482,11 @@
   EXPECT_EQ((unsigned)0, Micro);
 
   T = Triple("armv7-apple-ios5.0");
+  EXPECT_FALSE(T.isMacOSX());
+  EXPECT_TRUE(T.isiOS());
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_TRUE(T.isArch32Bit());
+  EXPECT_FALSE(T.isArch64Bit());
   T.getMacOSXVersion(Major, Minor, Micro);
   EXPECT_EQ((unsigned)10, Major);
   EXPECT_EQ((unsigned)4, Minor);