TripleTest.cpp revision 335db223926931db204bf54d4accac6677b8e6b1 
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
13using namespace llvm;
14
15namespace {
16
17TEST(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
75TEST(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
97static 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
102static 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
107TEST(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
208TEST(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}
249