src/llvm/unittests/Support/SpecialCaseListTest.cpp

   1 //===- SpecialCaseListTest.cpp - Unit tests for SpecialCaseList -----------===//
   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/Support/MemoryBuffer.h"
  11 #include "llvm/Support/SpecialCaseList.h"
  12 #include "gtest/gtest.h"
  13
  14 using namespace llvm;
  15
  16 namespace {
  17
  18 class SpecialCaseListTest : public ::testing::Test {
  19 protected:
  20   std::unique_ptr<SpecialCaseList> makeSpecialCaseList(StringRef List,
  21                                                        std::string &Error) {
  22     std::unique_ptr<MemoryBuffer> MB = MemoryBuffer::getMemBuffer(List);
  23     return SpecialCaseList::create(MB.get(), Error);
  24   }
  25
  26   std::unique_ptr<SpecialCaseList> makeSpecialCaseList(StringRef List) {
  27     std::string Error;
  28     auto SCL = makeSpecialCaseList(List, Error);
  29     assert(SCL);
  30     assert(Error == "");
  31     return SCL;
  32   }
  33 };
  34
  35 TEST_F(SpecialCaseListTest, Basic) {
  36   std::unique_ptr<SpecialCaseList> SCL =
  37       makeSpecialCaseList("# This is a comment.\n"
  38                           "\n"
  39                           "src:hello\n"
  40                           "src:bye\n"
  41                           "src:hi=category\n"
  42                           "src:z*=category\n");
  43   EXPECT_TRUE(SCL->inSection("src", "hello"));
  44   EXPECT_TRUE(SCL->inSection("src", "bye"));
  45   EXPECT_TRUE(SCL->inSection("src", "hi", "category"));
  46   EXPECT_TRUE(SCL->inSection("src", "zzzz", "category"));
  47   EXPECT_FALSE(SCL->inSection("src", "hi"));
  48   EXPECT_FALSE(SCL->inSection("fun", "hello"));
  49   EXPECT_FALSE(SCL->inSection("src", "hello", "category"));
  50 }
  51
  52 TEST_F(SpecialCaseListTest, GlobalInit) {
  53   std::unique_ptr<SpecialCaseList> SCL =
  54       makeSpecialCaseList("global:foo=init\n");
  55   EXPECT_FALSE(SCL->inSection("global", "foo"));
  56   EXPECT_FALSE(SCL->inSection("global", "bar"));
  57   EXPECT_TRUE(SCL->inSection("global", "foo", "init"));
  58   EXPECT_FALSE(SCL->inSection("global", "bar", "init"));
  59
  60   SCL = makeSpecialCaseList("type:t2=init\n");
  61   EXPECT_FALSE(SCL->inSection("type", "t1"));
  62   EXPECT_FALSE(SCL->inSection("type", "t2"));
  63   EXPECT_FALSE(SCL->inSection("type", "t1", "init"));
  64   EXPECT_TRUE(SCL->inSection("type", "t2", "init"));
  65
  66   SCL = makeSpecialCaseList("src:hello=init\n");
  67   EXPECT_FALSE(SCL->inSection("src", "hello"));
  68   EXPECT_FALSE(SCL->inSection("src", "bye"));
  69   EXPECT_TRUE(SCL->inSection("src", "hello", "init"));
  70   EXPECT_FALSE(SCL->inSection("src", "bye", "init"));
  71 }
  72
  73 TEST_F(SpecialCaseListTest, Substring) {
  74   std::unique_ptr<SpecialCaseList> SCL = makeSpecialCaseList("src:hello\n"
  75                                                              "fun:foo\n"
  76                                                              "global:bar\n");
  77   EXPECT_FALSE(SCL->inSection("src", "othello"));
  78   EXPECT_FALSE(SCL->inSection("fun", "tomfoolery"));
  79   EXPECT_FALSE(SCL->inSection("global", "bartender"));
  80
  81   SCL = makeSpecialCaseList("fun:*foo*\n");
  82   EXPECT_TRUE(SCL->inSection("fun", "tomfoolery"));
  83   EXPECT_TRUE(SCL->inSection("fun", "foobar"));
  84 }
  85
  86 TEST_F(SpecialCaseListTest, InvalidSpecialCaseList) {
  87   std::string Error;
  88   EXPECT_EQ(nullptr, makeSpecialCaseList("badline", Error));
  89   EXPECT_EQ("Malformed line 1: 'badline'", Error);
  90   EXPECT_EQ(nullptr, makeSpecialCaseList("src:bad[a-", Error));
  91   EXPECT_EQ("Malformed regex in line 1: 'bad[a-': invalid character range",
  92             Error);
  93   EXPECT_EQ(nullptr, makeSpecialCaseList("src:a.c\n"
  94                                    "fun:fun(a\n",
  95                                    Error));
  96   EXPECT_EQ("Malformed regex in line 2: 'fun(a': parentheses not balanced",
  97             Error);
  98   EXPECT_EQ(nullptr, SpecialCaseList::create("unexisting", Error));
  99   EXPECT_EQ(0U, Error.find("Can't open file 'unexisting':"));
 100 }
 101
 102 TEST_F(SpecialCaseListTest, EmptySpecialCaseList) {
 103   std::unique_ptr<SpecialCaseList> SCL = makeSpecialCaseList("");
 104   EXPECT_FALSE(SCL->inSection("foo", "bar"));
 105 }
 106
 107 }
 108
 109