llvm/unittests/TableGen/ParserEntryPointTest.cpp

   1 //===- unittest/TableGen/ParserEntryPointTest.cpp - Parser tests ----------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/ADT/ArrayRef.h"
  10 #include "llvm/ADT/STLExtras.h"
  11 #include "llvm/Support/MemoryBuffer.h"
  12 #include "llvm/Support/SourceMgr.h"
  13 #include "llvm/TableGen/Parser.h"
  14 #include "llvm/TableGen/Record.h"
  15 #include "gmock/gmock.h"
  16 #include "gtest/gtest.h"
  17
  18 using namespace llvm;
  19
  20 TEST(Parser, SanityTest) {
  21   // Simple TableGen source file with a single record.
  22   const char *SimpleTdSource = R"td(
  23     def Foo {
  24       string strField = "value";
  25     }
  26   )td";
  27
  28   SourceMgr SrcMgr;
  29   SrcMgr.AddNewSourceBuffer(
  30       MemoryBuffer::getMemBuffer(SimpleTdSource, "test_buffer"), SMLoc());
  31
  32   RecordKeeper Records;
  33   bool ProcessResult = TableGenParseFile(SrcMgr, Records);
  34   EXPECT_FALSE(ProcessResult);
  35
  36   Record *Foo = Records.getDef("Foo");
  37   Optional<StringRef> Field = Foo->getValueAsOptionalString("strField");
  38   EXPECT_TRUE(Field.has_value());
  39   EXPECT_EQ(Field.value(), "value");
  40 }