1 //===- unittest/Support/OptionParsingTest.cpp - OptTable tests ------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/ADT/OwningPtr.h" 11 #include "llvm/ADT/STLExtras.h" 12 #include "llvm/Option/Arg.h" 13 #include "llvm/Option/ArgList.h" 14 #include "llvm/Option/Option.h" 15 #include "gtest/gtest.h" 16 17 using namespace llvm; 18 using namespace llvm::opt; 19 20 enum ID { 21 OPT_INVALID = 0, // This is not an option ID. 22 #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \ 23 HELPTEXT, METAVAR) OPT_##ID, 24 #include "Opts.inc" 25 LastOption 26 #undef OPTION 27 }; 28 29 #define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE; 30 #include "Opts.inc" 31 #undef PREFIX 32 33 enum OptionFlags { 34 OptFlag1 = (1 << 4), 35 OptFlag2 = (1 << 5), 36 OptFlag3 = (1 << 6) 37 }; 38 39 static const OptTable::Info InfoTable[] = { 40 #define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \ 41 HELPTEXT, METAVAR) \ 42 { PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, Option::KIND##Class, PARAM, \ 43 FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS }, 44 #include "Opts.inc" 45 #undef OPTION 46 }; 47 48 namespace { 49 class TestOptTable : public OptTable { 50 public: 51 TestOptTable() 52 : OptTable(InfoTable, array_lengthof(InfoTable)) {} 53 }; 54 } 55 56 const char *Args[] = { 57 "-A", 58 "-Bhi", 59 "--C=desu", 60 "-C", "bye", 61 "-D,adena", 62 "-E", "apple", "bloom", 63 "-Fblarg", 64 "-F", "42", 65 "-Gchuu", "2" 66 }; 67 68 TEST(Option, OptionParsing) { 69 TestOptTable T; 70 unsigned MAI, MAC; 71 OwningPtr<InputArgList> AL(T.ParseArgs(Args, array_endof(Args), MAI, MAC)); 72 73 // Check they all exist. 74 EXPECT_TRUE(AL->hasArg(OPT_A)); 75 EXPECT_TRUE(AL->hasArg(OPT_B)); 76 EXPECT_TRUE(AL->hasArg(OPT_C)); 77 EXPECT_TRUE(AL->hasArg(OPT_D)); 78 EXPECT_TRUE(AL->hasArg(OPT_E)); 79 EXPECT_TRUE(AL->hasArg(OPT_F)); 80 EXPECT_TRUE(AL->hasArg(OPT_G)); 81 82 // Check the values. 83 EXPECT_EQ(AL->getLastArgValue(OPT_B), "hi"); 84 EXPECT_EQ(AL->getLastArgValue(OPT_C), "bye"); 85 EXPECT_EQ(AL->getLastArgValue(OPT_D), "adena"); 86 std::vector<std::string> Es = AL->getAllArgValues(OPT_E); 87 EXPECT_EQ(Es[0], "apple"); 88 EXPECT_EQ(Es[1], "bloom"); 89 EXPECT_EQ(AL->getLastArgValue(OPT_F), "42"); 90 std::vector<std::string> Gs = AL->getAllArgValues(OPT_G); 91 EXPECT_EQ(Gs[0], "chuu"); 92 EXPECT_EQ(Gs[1], "2"); 93 94 // Check the help text. 95 std::string Help; 96 raw_string_ostream RSO(Help); 97 T.PrintHelp(RSO, "test", "title!"); 98 EXPECT_NE(Help.find("-A"), std::string::npos); 99 100 // Test aliases. 101 arg_iterator Cs = AL->filtered_begin(OPT_C); 102 ASSERT_NE(Cs, AL->filtered_end()); 103 EXPECT_EQ(StringRef((*Cs)->getValue()), "desu"); 104 ArgStringList ASL; 105 (*Cs)->render(*AL, ASL); 106 ASSERT_EQ(ASL.size(), 2u); 107 EXPECT_EQ(StringRef(ASL[0]), "-C"); 108 EXPECT_EQ(StringRef(ASL[1]), "desu"); 109 } 110 111 TEST(Option, ParseWithFlagExclusions) { 112 TestOptTable T; 113 unsigned MAI, MAC; 114 OwningPtr<InputArgList> AL; 115 116 // Exclude flag3 to avoid parsing as OPT_SLASH_C. 117 AL.reset(T.ParseArgs(Args, array_endof(Args), MAI, MAC, 118 /*FlagsToInclude=*/0, 119 /*FlagsToExclude=*/OptFlag3)); 120 EXPECT_TRUE(AL->hasArg(OPT_A)); 121 EXPECT_TRUE(AL->hasArg(OPT_C)); 122 EXPECT_FALSE(AL->hasArg(OPT_SLASH_C)); 123 124 // Exclude flag1 to avoid parsing as OPT_C. 125 AL.reset(T.ParseArgs(Args, array_endof(Args), MAI, MAC, 126 /*FlagsToInclude=*/0, 127 /*FlagsToExclude=*/OptFlag1)); 128 EXPECT_TRUE(AL->hasArg(OPT_B)); 129 EXPECT_FALSE(AL->hasArg(OPT_C)); 130 EXPECT_TRUE(AL->hasArg(OPT_SLASH_C)); 131 132 const char *NewArgs[] = { "/C", "foo", "--C=bar" }; 133 AL.reset(T.ParseArgs(NewArgs, array_endof(NewArgs), MAI, MAC)); 134 EXPECT_TRUE(AL->hasArg(OPT_SLASH_C)); 135 EXPECT_TRUE(AL->hasArg(OPT_C)); 136 EXPECT_EQ(AL->getLastArgValue(OPT_SLASH_C), "foo"); 137 EXPECT_EQ(AL->getLastArgValue(OPT_C), "bar"); 138 } 139 140 TEST(Option, ParseAliasInGroup) { 141 TestOptTable T; 142 unsigned MAI, MAC; 143 144 const char *MyArgs[] = { "-I" }; 145 OwningPtr<InputArgList> AL(T.ParseArgs(MyArgs, array_endof(MyArgs), MAI, MAC)); 146 EXPECT_TRUE(AL->hasArg(OPT_H)); 147 } 148 149 TEST(Option, AliasArgs) { 150 TestOptTable T; 151 unsigned MAI, MAC; 152 153 const char *MyArgs[] = { "-J", "-Joo" }; 154 OwningPtr<InputArgList> AL(T.ParseArgs(MyArgs, array_endof(MyArgs), MAI, MAC)); 155 EXPECT_TRUE(AL->hasArg(OPT_B)); 156 EXPECT_EQ(AL->getAllArgValues(OPT_B)[0], "foo"); 157 EXPECT_EQ(AL->getAllArgValues(OPT_B)[1], "bar"); 158 } 159 160 TEST(Option, DashDash) { 161 TestOptTable T; 162 unsigned MAI, MAC; 163 164 const char *MyArgs[] = { "-A", "--", "-B", "--" }; 165 OwningPtr<InputArgList> AL(T.ParseArgs(MyArgs, array_endof(MyArgs), MAI, MAC)); 166 EXPECT_TRUE(AL->hasArg(OPT_A)); 167 EXPECT_FALSE(AL->hasArg(OPT_B)); 168 EXPECT_EQ(AL->getAllArgValues(OPT_INPUT).size(), 2U); 169 EXPECT_EQ(AL->getAllArgValues(OPT_INPUT)[0], "-B"); 170 EXPECT_EQ(AL->getAllArgValues(OPT_INPUT)[1], "--"); 171 } 172
