| //===- StringExtrasTest.cpp - Unit tests for String extras ----------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ADT/StringExtras.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| |
| TEST(StringExtrasTest, isPrint) { |
| EXPECT_FALSE(isPrint('\0')); |
| EXPECT_FALSE(isPrint('\t')); |
| EXPECT_TRUE(isPrint('0')); |
| EXPECT_TRUE(isPrint('a')); |
| EXPECT_TRUE(isPrint('A')); |
| EXPECT_TRUE(isPrint(' ')); |
| EXPECT_TRUE(isPrint('~')); |
| EXPECT_TRUE(isPrint('?')); |
| } |
| |
| TEST(StringExtrasTest, Join) { |
| std::vector<std::string> Items; |
| EXPECT_EQ("", join(Items.begin(), Items.end(), " <sep> ")); |
| |
| Items = {"foo"}; |
| EXPECT_EQ("foo", join(Items.begin(), Items.end(), " <sep> ")); |
| |
| Items = {"foo", "bar"}; |
| EXPECT_EQ("foo <sep> bar", join(Items.begin(), Items.end(), " <sep> ")); |
| |
| Items = {"foo", "bar", "baz"}; |
| EXPECT_EQ("foo <sep> bar <sep> baz", |
| join(Items.begin(), Items.end(), " <sep> ")); |
| } |
| |
| TEST(StringExtrasTest, JoinItems) { |
| const char *Foo = "foo"; |
| std::string Bar = "bar"; |
| llvm::StringRef Baz = "baz"; |
| char X = 'x'; |
| |
| EXPECT_EQ("", join_items(" <sep> ")); |
| EXPECT_EQ("", join_items('/')); |
| |
| EXPECT_EQ("foo", join_items(" <sep> ", Foo)); |
| EXPECT_EQ("foo", join_items('/', Foo)); |
| |
| EXPECT_EQ("foo <sep> bar", join_items(" <sep> ", Foo, Bar)); |
| EXPECT_EQ("foo/bar", join_items('/', Foo, Bar)); |
| |
| EXPECT_EQ("foo <sep> bar <sep> baz", join_items(" <sep> ", Foo, Bar, Baz)); |
| EXPECT_EQ("foo/bar/baz", join_items('/', Foo, Bar, Baz)); |
| |
| EXPECT_EQ("foo <sep> bar <sep> baz <sep> x", |
| join_items(" <sep> ", Foo, Bar, Baz, X)); |
| |
| EXPECT_EQ("foo/bar/baz/x", join_items('/', Foo, Bar, Baz, X)); |
| } |
| |
| TEST(StringExtrasTest, ToAndFromHex) { |
| std::vector<uint8_t> OddBytes = {0x5, 0xBD, 0x0D, 0x3E, 0xCD}; |
| std::string OddStr = "05BD0D3ECD"; |
| StringRef OddData(reinterpret_cast<const char *>(OddBytes.data()), |
| OddBytes.size()); |
| EXPECT_EQ(OddStr, toHex(OddData)); |
| EXPECT_EQ(OddData, fromHex(StringRef(OddStr).drop_front())); |
| EXPECT_EQ(StringRef(OddStr).lower(), toHex(OddData, true)); |
| |
| std::vector<uint8_t> EvenBytes = {0xA5, 0xBD, 0x0D, 0x3E, 0xCD}; |
| std::string EvenStr = "A5BD0D3ECD"; |
| StringRef EvenData(reinterpret_cast<const char *>(EvenBytes.data()), |
| EvenBytes.size()); |
| EXPECT_EQ(EvenStr, toHex(EvenData)); |
| EXPECT_EQ(EvenData, fromHex(EvenStr)); |
| EXPECT_EQ(StringRef(EvenStr).lower(), toHex(EvenData, true)); |
| } |
| |
| TEST(StringExtrasTest, to_float) { |
| float F; |
| EXPECT_TRUE(to_float("4.7", F)); |
| EXPECT_FLOAT_EQ(4.7f, F); |
| |
| double D; |
| EXPECT_TRUE(to_float("4.7", D)); |
| EXPECT_DOUBLE_EQ(4.7, D); |
| |
| long double LD; |
| EXPECT_TRUE(to_float("4.7", LD)); |
| EXPECT_DOUBLE_EQ(4.7, LD); |
| |
| EXPECT_FALSE(to_float("foo", F)); |
| EXPECT_FALSE(to_float("7.4 foo", F)); |
| EXPECT_FLOAT_EQ(4.7f, F); // F should be unchanged |
| } |
| |
| TEST(StringExtrasTest, printLowerCase) { |
| std::string str; |
| raw_string_ostream OS(str); |
| printLowerCase("ABCdefg01234.,&!~`'}\"", OS); |
| EXPECT_EQ("abcdefg01234.,&!~`'}\"", OS.str()); |
| } |
| |
| TEST(StringExtrasTest, printEscapedString) { |
| std::string str; |
| raw_string_ostream OS(str); |
| printEscapedString("ABCdef123&<>\\\"'\t", OS); |
| EXPECT_EQ("ABCdef123&<>\\5C\\22'\\09", OS.str()); |
| } |
| |
| TEST(StringExtrasTest, printHTMLEscaped) { |
| std::string str; |
| raw_string_ostream OS(str); |
| printHTMLEscaped("ABCdef123&<>\"'", OS); |
| EXPECT_EQ("ABCdef123&<>"'", OS.str()); |
| } |