unittests/ADT/TripleTest.cpp

   1 //===----------- Triple.cpp - Triple unit 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 "gtest/gtest.h"
  11 #include "llvm/ADT/Triple.h"
  12
  13 using namespace llvm;
  14
  15 namespace {
  16
  17 TEST(TripleTest, BasicParsing) {
  18   Triple T;
  19
  20   T = Triple("");
  21   EXPECT_EQ("", T.getArchName().str());
  22   EXPECT_EQ("", T.getVendorName().str());
  23   EXPECT_EQ("", T.getOSName().str());
  24   EXPECT_EQ("", T.getEnvironmentName().str());
  25
  26   T = Triple("-");
  27   EXPECT_EQ("", T.getArchName().str());
  28   EXPECT_EQ("", T.getVendorName().str());
  29   EXPECT_EQ("", T.getOSName().str());
  30   EXPECT_EQ("", T.getEnvironmentName().str());
  31
  32   T = Triple("--");
  33   EXPECT_EQ("", T.getArchName().str());
  34   EXPECT_EQ("", T.getVendorName().str());
  35   EXPECT_EQ("", T.getOSName().str());
  36   EXPECT_EQ("", T.getEnvironmentName().str());
  37
  38   T = Triple("---");
  39   EXPECT_EQ("", T.getArchName().str());
  40   EXPECT_EQ("", T.getVendorName().str());
  41   EXPECT_EQ("", T.getOSName().str());
  42   EXPECT_EQ("", T.getEnvironmentName().str());
  43
  44   T = Triple("----");
  45   EXPECT_EQ("", T.getArchName().str());
  46   EXPECT_EQ("", T.getVendorName().str());
  47   EXPECT_EQ("", T.getOSName().str());
  48   EXPECT_EQ("-", T.getEnvironmentName().str());
  49
  50   T = Triple("a");
  51   EXPECT_EQ("a", T.getArchName().str());
  52   EXPECT_EQ("", T.getVendorName().str());
  53   EXPECT_EQ("", T.getOSName().str());
  54   EXPECT_EQ("", T.getEnvironmentName().str());
  55
  56   T = Triple("a-b");
  57   EXPECT_EQ("a", T.getArchName().str());
  58   EXPECT_EQ("b", T.getVendorName().str());
  59   EXPECT_EQ("", T.getOSName().str());
  60   EXPECT_EQ("", T.getEnvironmentName().str());
  61
  62   T = Triple("a-b-c");
  63   EXPECT_EQ("a", T.getArchName().str());
  64   EXPECT_EQ("b", T.getVendorName().str());
  65   EXPECT_EQ("c", T.getOSName().str());
  66   EXPECT_EQ("", T.getEnvironmentName().str());
  67
  68   T = Triple("a-b-c-d");
  69   EXPECT_EQ("a", T.getArchName().str());
  70   EXPECT_EQ("b", T.getVendorName().str());
  71   EXPECT_EQ("c", T.getOSName().str());
  72   EXPECT_EQ("d", T.getEnvironmentName().str());
  73 }
  74
  75 TEST(TripleTest, ParsedIDs) {
  76   Triple T;
  77
  78   T = Triple("i386-apple-darwin");
  79   EXPECT_EQ(Triple::x86, T.getArch());
  80   EXPECT_EQ(Triple::Apple, T.getVendor());
  81   EXPECT_EQ(Triple::Darwin, T.getOS());
  82
  83   T = Triple("x86_64-pc-linux-gnu");
  84   EXPECT_EQ(Triple::x86_64, T.getArch());
  85   EXPECT_EQ(Triple::PC, T.getVendor());
  86   EXPECT_EQ(Triple::Linux, T.getOS());
  87
  88   T = Triple("powerpc-dunno-notsure");
  89   EXPECT_EQ(Triple::ppc, T.getArch());
  90   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
  91   EXPECT_EQ(Triple::UnknownOS, T.getOS());
  92
  93   T = Triple("huh");
  94   EXPECT_EQ(Triple::UnknownArch, T.getArch());
  95 }
  96
  97 static std::string Join(StringRef A, StringRef B, StringRef C) {
  98   std::string Str = A; Str += '-'; Str += B; Str += '-'; Str += C;
  99   return Str;
 100 }
 101
 102 static std::string Join(StringRef A, StringRef B, StringRef C, StringRef D) {
 103   std::string Str = A; Str += '-'; Str += B; Str += '-'; Str += C; Str += '-';
 104   Str += D; return Str;
 105 }
 106
 107 TEST(TripleTest, Normalization) {
 108   EXPECT_EQ("", Triple::normalize(""));
 109   EXPECT_EQ("-", Triple::normalize("-"));
 110   EXPECT_EQ("--", Triple::normalize("--"));
 111   EXPECT_EQ("---", Triple::normalize("---"));
 112   EXPECT_EQ("----", Triple::normalize("----"));
 113
 114   EXPECT_EQ("a", Triple::normalize("a"));
 115   EXPECT_EQ("a-b", Triple::normalize("a-b"));
 116   EXPECT_EQ("a-b-c", Triple::normalize("a-b-c"));
 117   EXPECT_EQ("a-b-c-d", Triple::normalize("a-b-c-d"));
 118
 119   EXPECT_EQ("i386-b-c", Triple::normalize("i386-b-c"));
 120   EXPECT_EQ("i386-a-c", Triple::normalize("a-i386-c"));
 121   EXPECT_EQ("i386-a-b", Triple::normalize("a-b-i386"));
 122
 123   EXPECT_EQ("a-pc-c", Triple::normalize("a-pc-c"));
 124   EXPECT_EQ("-pc-b-c", Triple::normalize("pc-b-c"));
 125   EXPECT_EQ("a-pc-b", Triple::normalize("a-b-pc"));
 126
 127   EXPECT_EQ("a-b-linux", Triple::normalize("a-b-linux"));
 128   EXPECT_EQ("--linux-b-c", Triple::normalize("linux-b-c"));
 129   EXPECT_EQ("a--linux-c", Triple::normalize("a-linux-c"));
 130
 131   EXPECT_EQ("i386-pc-a", Triple::normalize("a-pc-i386"));
 132   EXPECT_EQ("i386-pc-", Triple::normalize("-pc-i386"));
 133   EXPECT_EQ("-pc-linux-c", Triple::normalize("linux-pc-c"));
 134   EXPECT_EQ("-pc-linux", Triple::normalize("linux-pc-"));
 135
 136   EXPECT_EQ("i386", Triple::normalize("i386"));
 137   EXPECT_EQ("-pc", Triple::normalize("pc"));
 138   EXPECT_EQ("--linux", Triple::normalize("linux"));
 139
 140   // Check that normalizing a permutated set of valid components returns a
 141   // triple with the unpermuted components.
 142   StringRef C[4];
 143   C[3] = "environment";
 144   for (int Arch = 1+Triple::UnknownArch; Arch < Triple::InvalidArch; ++Arch) {
 145     C[0] = Triple::getArchTypeName(Triple::ArchType(Arch));
 146     for (int Vendor = 1+Triple::UnknownVendor; Vendor <= Triple::PC;
 147          ++Vendor) {
 148       C[1] = Triple::getVendorTypeName(Triple::VendorType(Vendor));
 149       for (int OS = 1+Triple::UnknownOS; OS <= Triple::Minix; ++OS) {
 150         C[2] = Triple::getOSTypeName(Triple::OSType(OS));
 151
 152         std::string E = Join(C[0], C[1], C[2]);
 153         std::string F = Join(C[0], C[1], C[2], C[3]);
 154         EXPECT_EQ(E, Triple::normalize(Join(C[0], C[1], C[2])));
 155         EXPECT_EQ(F, Triple::normalize(Join(C[0], C[1], C[2], C[3])));
 156
 157         // If a value has multiple interpretations, then the permutation
 158         // test will inevitably fail.  Currently this is only the case for
 159         // "psp" which parses as both an architecture and an O/S.
 160         if (OS == Triple::Psp)
 161           continue;
 162
 163         EXPECT_EQ(E, Triple::normalize(Join(C[0], C[2], C[1])));
 164         EXPECT_EQ(E, Triple::normalize(Join(C[1], C[2], C[0])));
 165         EXPECT_EQ(E, Triple::normalize(Join(C[1], C[0], C[2])));
 166         EXPECT_EQ(E, Triple::normalize(Join(C[2], C[0], C[1])));
 167         EXPECT_EQ(E, Triple::normalize(Join(C[2], C[1], C[0])));
 168
 169         EXPECT_EQ(F, Triple::normalize(Join(C[0], C[1], C[3], C[2])));
 170         EXPECT_EQ(F, Triple::normalize(Join(C[0], C[2], C[3], C[1])));
 171         EXPECT_EQ(F, Triple::normalize(Join(C[0], C[2], C[1], C[3])));
 172         EXPECT_EQ(F, Triple::normalize(Join(C[0], C[3], C[1], C[2])));
 173         EXPECT_EQ(F, Triple::normalize(Join(C[0], C[3], C[2], C[1])));
 174         EXPECT_EQ(F, Triple::normalize(Join(C[1], C[2], C[3], C[0])));
 175         EXPECT_EQ(F, Triple::normalize(Join(C[1], C[2], C[0], C[3])));
 176         EXPECT_EQ(F, Triple::normalize(Join(C[1], C[3], C[0], C[2])));
 177         EXPECT_EQ(F, Triple::normalize(Join(C[1], C[3], C[2], C[0])));
 178         EXPECT_EQ(F, Triple::normalize(Join(C[1], C[0], C[2], C[3])));
 179         EXPECT_EQ(F, Triple::normalize(Join(C[1], C[0], C[3], C[2])));
 180         EXPECT_EQ(F, Triple::normalize(Join(C[2], C[3], C[0], C[1])));
 181         EXPECT_EQ(F, Triple::normalize(Join(C[2], C[3], C[1], C[0])));
 182         EXPECT_EQ(F, Triple::normalize(Join(C[2], C[0], C[1], C[3])));
 183         EXPECT_EQ(F, Triple::normalize(Join(C[2], C[0], C[3], C[1])));
 184         EXPECT_EQ(F, Triple::normalize(Join(C[2], C[1], C[3], C[0])));
 185         EXPECT_EQ(F, Triple::normalize(Join(C[2], C[1], C[0], C[3])));
 186         EXPECT_EQ(F, Triple::normalize(Join(C[3], C[0], C[1], C[2])));
 187         EXPECT_EQ(F, Triple::normalize(Join(C[3], C[0], C[2], C[1])));
 188         EXPECT_EQ(F, Triple::normalize(Join(C[3], C[1], C[2], C[0])));
 189         EXPECT_EQ(F, Triple::normalize(Join(C[3], C[1], C[0], C[2])));
 190         EXPECT_EQ(F, Triple::normalize(Join(C[3], C[2], C[0], C[1])));
 191         EXPECT_EQ(F, Triple::normalize(Join(C[3], C[2], C[1], C[0])));
 192       }
 193     }
 194   }
 195
 196   EXPECT_EQ("a-b-psp", Triple::normalize("a-b-psp"));
 197   EXPECT_EQ("psp-b-c", Triple::normalize("psp-b-c"));
 198
 199   // Various real-world funky triples.  The value returned by GCC's config.sub
 200   // is given in the comment.
 201   EXPECT_EQ("i386--mingw32", Triple::normalize("i386-mingw32")); // i386-pc-mingw32
 202   EXPECT_EQ("x86_64--linux-gnu", Triple::normalize("x86_64-linux-gnu")); // x86_64-pc-linux-gnu
 203   EXPECT_EQ("i486--linux-gnu", Triple::normalize("i486-linux-gnu")); // i486-pc-linux-gnu
 204   EXPECT_EQ("i386-redhat-linux", Triple::normalize("i386-redhat-linux")); // i386-redhat-linux-gnu
 205   EXPECT_EQ("i686--linux", Triple::normalize("i686-linux")); // i686-pc-linux-gnu
 206 }
 207
 208 TEST(TripleTest, MutateName) {
 209   Triple T;
 210   EXPECT_EQ(Triple::UnknownArch, T.getArch());
 211   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
 212   EXPECT_EQ(Triple::UnknownOS, T.getOS());
 213
 214   T.setArchName("i386");
 215   EXPECT_EQ(Triple::x86, T.getArch());
 216   EXPECT_EQ("i386--", T.getTriple());
 217
 218   T.setVendorName("pc");
 219   EXPECT_EQ(Triple::x86, T.getArch());
 220   EXPECT_EQ(Triple::PC, T.getVendor());
 221   EXPECT_EQ("i386-pc-", T.getTriple());
 222
 223   T.setOSName("linux");
 224   EXPECT_EQ(Triple::x86, T.getArch());
 225   EXPECT_EQ(Triple::PC, T.getVendor());
 226   EXPECT_EQ(Triple::Linux, T.getOS());
 227   EXPECT_EQ("i386-pc-linux", T.getTriple());
 228
 229   T.setEnvironmentName("gnu");
 230   EXPECT_EQ(Triple::x86, T.getArch());
 231   EXPECT_EQ(Triple::PC, T.getVendor());
 232   EXPECT_EQ(Triple::Linux, T.getOS());
 233   EXPECT_EQ("i386-pc-linux-gnu", T.getTriple());
 234
 235   T.setOSName("freebsd");
 236   EXPECT_EQ(Triple::x86, T.getArch());
 237   EXPECT_EQ(Triple::PC, T.getVendor());
 238   EXPECT_EQ(Triple::FreeBSD, T.getOS());
 239   EXPECT_EQ("i386-pc-freebsd-gnu", T.getTriple());
 240
 241   T.setOSAndEnvironmentName("darwin");
 242   EXPECT_EQ(Triple::x86, T.getArch());
 243   EXPECT_EQ(Triple::PC, T.getVendor());
 244   EXPECT_EQ(Triple::Darwin, T.getOS());
 245   EXPECT_EQ("i386-pc-darwin", T.getTriple());
 246 }
 247
 248 }