Mark MDNode::getOperand as readonly.

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

diff --git a/unittests/ADT/StringRefTest.cpp b/unittests/ADT/StringRefTest.cpp
index ac6582936a76dcbdee645352cedfdba37fce8a83..fa87cd0e2c8673d3f7ec4bf51f707904f480c591 100644 (file)
--- a/unittests/ADT/StringRefTest.cpp
+++ b/unittests/ADT/StringRefTest.cpp
@@ -7,11 +7,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "gtest/gtest.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Hashing.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/raw_ostream.h"
+#include "gtest/gtest.h"
 using namespace llvm;
 
 namespace llvm {
@@ -221,6 +221,30 @@ TEST(StringRefTest, Split2) {
   EXPECT_TRUE(parts == expected);
 }
 
+TEST(StringRefTest, Trim) {
+  StringRef Str0("hello");
+  StringRef Str1(" hello ");
+  StringRef Str2("  hello  ");
+
+  EXPECT_EQ(StringRef("hello"), Str0.rtrim());
+  EXPECT_EQ(StringRef(" hello"), Str1.rtrim());
+  EXPECT_EQ(StringRef("  hello"), Str2.rtrim());
+  EXPECT_EQ(StringRef("hello"), Str0.ltrim());
+  EXPECT_EQ(StringRef("hello "), Str1.ltrim());
+  EXPECT_EQ(StringRef("hello  "), Str2.ltrim());
+  EXPECT_EQ(StringRef("hello"), Str0.trim());
+  EXPECT_EQ(StringRef("hello"), Str1.trim());
+  EXPECT_EQ(StringRef("hello"), Str2.trim());
+
+  EXPECT_EQ(StringRef("ello"), Str0.trim("hhhhhhhhhhh"));
+
+  EXPECT_EQ(StringRef(""), StringRef("").trim());
+  EXPECT_EQ(StringRef(""), StringRef(" ").trim());
+  EXPECT_EQ(StringRef("\0", 1), StringRef(" \0 ", 3).trim());
+  EXPECT_EQ(StringRef("\0\0", 2), StringRef("\0\0", 2).trim());
+  EXPECT_EQ(StringRef("x"), StringRef("\0\0x\0\0", 5).trim(StringRef("\0", 1)));
+}
+
 TEST(StringRefTest, StartsWith) {
   StringRef Str("hello");
   EXPECT_TRUE(Str.startswith("he"));
@@ -267,6 +291,10 @@ TEST(StringRefTest, Find) {
   EXPECT_EQ(1U, Str.find_first_not_of('h'));
   EXPECT_EQ(4U, Str.find_first_not_of("hel"));
   EXPECT_EQ(StringRef::npos, Str.find_first_not_of("hello"));
+
+  EXPECT_EQ(3U, Str.find_last_not_of('o'));
+  EXPECT_EQ(1U, Str.find_last_not_of("lo"));
+  EXPECT_EQ(StringRef::npos, Str.find_last_not_of("helo"));
 }
 
 TEST(StringRefTest, Count) {
@@ -319,8 +347,8 @@ struct UnsignedPair {
   , {"256", 256}
   , {"65535", 65535}
   , {"65536", 65536}
-  , {"4294967295", 4294967295}
-  , {"4294967296", 4294967296}
+  , {"4294967295", 4294967295ULL}
+  , {"4294967296", 4294967296ULL}
   , {"18446744073709551615", 18446744073709551615ULL}
   , {"042", 34}
   , {"0x42", 66}
@@ -341,8 +369,8 @@ struct SignedPair {
   , {"32768", 32768}
   , {"-32768", -32768}
   , {"-32769", -32769}
-  , {"2147483647", 2147483647}
-  , {"2147483648", 2147483648}
+  , {"2147483647", 2147483647LL}
+  , {"2147483648", 2147483648LL}
   , {"-2147483648", -2147483648LL}
   , {"-2147483649", -2147483649LL}
   , {"-9223372036854775808", -(9223372036854775807LL) - 1}
@@ -428,4 +456,27 @@ TEST(StringRefTest, getAsInteger) {
   }
 }
 
+
+static const char* BadStrings[] = {
+    "18446744073709551617"  // value just over max
+  , "123456789012345678901" // value way too large
+  , "4t23v"                 // illegal decimal characters
+  , "0x123W56"              // illegal hex characters
+  , "0b2"                   // illegal bin characters
+  , "08"                    // illegal oct characters
+  , "0o8"                   // illegal oct characters
+  , "-123"                  // negative unsigned value
+};
+
+
+TEST(StringRefTest, getAsUnsignedIntegerBadStrings) {
+  unsigned long long U64;
+  for (size_t i = 0; i < array_lengthof(BadStrings); ++i) {
+    bool IsBadNumber = StringRef(BadStrings[i]).getAsInteger(0, U64);
+    ASSERT_TRUE(IsBadNumber);
+  }
+}
+
+
+
 } // end anonymous namespace