llvm/unittests/Option/OptionMarshallingTest.cpp

   1 //===- OptionMarshallingTest.cpp - OptionParserEmitter 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/StringRef.h"
  10 #include "gtest/gtest.h"
  11
  12 struct OptionWithMarshallingInfo {
  13   llvm::StringLiteral PrefixedName;
  14   const char *KeyPath;
  15   const char *ImpliedCheck;
  16   const char *ImpliedValue;
  17 };
  18
  19 static const OptionWithMarshallingInfo MarshallingTable[] = {
  20 #define OPTION_WITH_MARSHALLING(                                               \
  21     PREFIX_TYPE, PREFIXED_NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS,      \
  22     VISIBILITY, PARAM, HELPTEXT, HELPTEXTSFORVARIANTS, METAVAR, VALUES,        \
  23     SHOULD_PARSE, ALWAYS_EMIT, KEYPATH, DEFAULT_VALUE, IMPLIED_CHECK,          \
  24     IMPLIED_VALUE, NORMALIZER, DENORMALIZER, MERGER, EXTRACTOR, TABLE_INDEX)   \
  25   {PREFIXED_NAME, #KEYPATH, #IMPLIED_CHECK, #IMPLIED_VALUE},
  26 #include "Opts.inc"
  27 #undef OPTION_WITH_MARSHALLING
  28 };
  29
  30 TEST(OptionMarshalling, EmittedOrderSameAsDefinitionOrder) {
  31   ASSERT_EQ(MarshallingTable[0].PrefixedName, "-marshalled-flag-d");
  32   ASSERT_EQ(MarshallingTable[1].PrefixedName, "-marshalled-flag-c");
  33   ASSERT_EQ(MarshallingTable[2].PrefixedName, "-marshalled-flag-b");
  34   ASSERT_EQ(MarshallingTable[3].PrefixedName, "-marshalled-flag-a");
  35 }
  36
  37 TEST(OptionMarshalling, EmittedSpecifiedKeyPath) {
  38   ASSERT_STREQ(MarshallingTable[0].KeyPath, "X->MarshalledFlagD");
  39   ASSERT_STREQ(MarshallingTable[1].KeyPath, "X->MarshalledFlagC");
  40   ASSERT_STREQ(MarshallingTable[2].KeyPath, "X->MarshalledFlagB");
  41   ASSERT_STREQ(MarshallingTable[3].KeyPath, "X->MarshalledFlagA");
  42 }
  43
  44 TEST(OptionMarshalling, ImpliedCheckContainsDisjunctionOfKeypaths) {
  45   ASSERT_STREQ(MarshallingTable[0].ImpliedCheck, "false");
  46
  47   ASSERT_STREQ(MarshallingTable[1].ImpliedCheck, "false || X->MarshalledFlagD");
  48   ASSERT_STREQ(MarshallingTable[1].ImpliedValue, "true");
  49
  50   ASSERT_STREQ(MarshallingTable[2].ImpliedCheck, "false || X->MarshalledFlagD");
  51   ASSERT_STREQ(MarshallingTable[2].ImpliedValue, "true");
  52
  53   ASSERT_STREQ(MarshallingTable[3].ImpliedCheck,
  54                "false || X->MarshalledFlagC || X->MarshalledFlagB");
  55   ASSERT_STREQ(MarshallingTable[3].ImpliedValue, "true");
  56 }