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f6c0615b06
While there make array_lengthof constexpr if we have support for it. llvm-svn: 206112
212 lines
6.0 KiB
C++
212 lines
6.0 KiB
C++
//===- unittest/Support/OptionParsingTest.cpp - OptTable tests ------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Option/Arg.h"
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#include "llvm/Option/ArgList.h"
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#include "llvm/Option/Option.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace llvm::opt;
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enum ID {
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OPT_INVALID = 0, // This is not an option ID.
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#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
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HELPTEXT, METAVAR) OPT_##ID,
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#include "Opts.inc"
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LastOption
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#undef OPTION
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};
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#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
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#include "Opts.inc"
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#undef PREFIX
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enum OptionFlags {
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OptFlag1 = (1 << 4),
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OptFlag2 = (1 << 5),
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OptFlag3 = (1 << 6)
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};
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static const OptTable::Info InfoTable[] = {
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#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
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HELPTEXT, METAVAR) \
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{ PREFIX, NAME, HELPTEXT, METAVAR, OPT_##ID, Option::KIND##Class, PARAM, \
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FLAGS, OPT_##GROUP, OPT_##ALIAS, ALIASARGS },
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#include "Opts.inc"
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#undef OPTION
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};
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namespace {
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class TestOptTable : public OptTable {
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public:
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TestOptTable(bool IgnoreCase = false)
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: OptTable(InfoTable, array_lengthof(InfoTable), IgnoreCase) {}
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};
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}
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const char *Args[] = {
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"-A",
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"-Bhi",
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"--C=desu",
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"-C", "bye",
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"-D,adena",
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"-E", "apple", "bloom",
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"-Fblarg",
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"-F", "42",
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"-Gchuu", "2"
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};
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TEST(Option, OptionParsing) {
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TestOptTable T;
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unsigned MAI, MAC;
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std::unique_ptr<InputArgList> AL(
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T.ParseArgs(std::begin(Args), std::end(Args), MAI, MAC));
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// Check they all exist.
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EXPECT_TRUE(AL->hasArg(OPT_A));
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EXPECT_TRUE(AL->hasArg(OPT_B));
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EXPECT_TRUE(AL->hasArg(OPT_C));
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EXPECT_TRUE(AL->hasArg(OPT_D));
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EXPECT_TRUE(AL->hasArg(OPT_E));
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EXPECT_TRUE(AL->hasArg(OPT_F));
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EXPECT_TRUE(AL->hasArg(OPT_G));
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// Check the values.
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EXPECT_EQ(AL->getLastArgValue(OPT_B), "hi");
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EXPECT_EQ(AL->getLastArgValue(OPT_C), "bye");
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EXPECT_EQ(AL->getLastArgValue(OPT_D), "adena");
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std::vector<std::string> Es = AL->getAllArgValues(OPT_E);
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EXPECT_EQ(Es[0], "apple");
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EXPECT_EQ(Es[1], "bloom");
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EXPECT_EQ(AL->getLastArgValue(OPT_F), "42");
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std::vector<std::string> Gs = AL->getAllArgValues(OPT_G);
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EXPECT_EQ(Gs[0], "chuu");
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EXPECT_EQ(Gs[1], "2");
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// Check the help text.
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std::string Help;
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raw_string_ostream RSO(Help);
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T.PrintHelp(RSO, "test", "title!");
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EXPECT_NE(Help.find("-A"), std::string::npos);
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// Test aliases.
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arg_iterator Cs = AL->filtered_begin(OPT_C);
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ASSERT_NE(Cs, AL->filtered_end());
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EXPECT_EQ(StringRef((*Cs)->getValue()), "desu");
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ArgStringList ASL;
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(*Cs)->render(*AL, ASL);
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ASSERT_EQ(ASL.size(), 2u);
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EXPECT_EQ(StringRef(ASL[0]), "-C");
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EXPECT_EQ(StringRef(ASL[1]), "desu");
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}
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TEST(Option, ParseWithFlagExclusions) {
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TestOptTable T;
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unsigned MAI, MAC;
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std::unique_ptr<InputArgList> AL;
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// Exclude flag3 to avoid parsing as OPT_SLASH_C.
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AL.reset(T.ParseArgs(std::begin(Args), std::end(Args), MAI, MAC,
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/*FlagsToInclude=*/0,
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/*FlagsToExclude=*/OptFlag3));
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EXPECT_TRUE(AL->hasArg(OPT_A));
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EXPECT_TRUE(AL->hasArg(OPT_C));
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EXPECT_FALSE(AL->hasArg(OPT_SLASH_C));
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// Exclude flag1 to avoid parsing as OPT_C.
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AL.reset(T.ParseArgs(std::begin(Args), std::end(Args), MAI, MAC,
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/*FlagsToInclude=*/0,
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/*FlagsToExclude=*/OptFlag1));
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EXPECT_TRUE(AL->hasArg(OPT_B));
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EXPECT_FALSE(AL->hasArg(OPT_C));
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EXPECT_TRUE(AL->hasArg(OPT_SLASH_C));
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const char *NewArgs[] = { "/C", "foo", "--C=bar" };
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AL.reset(T.ParseArgs(std::begin(NewArgs), std::end(NewArgs), MAI, MAC));
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EXPECT_TRUE(AL->hasArg(OPT_SLASH_C));
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EXPECT_TRUE(AL->hasArg(OPT_C));
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EXPECT_EQ(AL->getLastArgValue(OPT_SLASH_C), "foo");
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EXPECT_EQ(AL->getLastArgValue(OPT_C), "bar");
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}
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TEST(Option, ParseAliasInGroup) {
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TestOptTable T;
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unsigned MAI, MAC;
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const char *MyArgs[] = { "-I" };
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std::unique_ptr<InputArgList> AL(
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T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC));
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EXPECT_TRUE(AL->hasArg(OPT_H));
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}
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TEST(Option, AliasArgs) {
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TestOptTable T;
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unsigned MAI, MAC;
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const char *MyArgs[] = { "-J", "-Joo" };
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std::unique_ptr<InputArgList> AL(
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T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC));
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EXPECT_TRUE(AL->hasArg(OPT_B));
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EXPECT_EQ(AL->getAllArgValues(OPT_B)[0], "foo");
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EXPECT_EQ(AL->getAllArgValues(OPT_B)[1], "bar");
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}
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TEST(Option, IgnoreCase) {
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TestOptTable T(true);
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unsigned MAI, MAC;
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const char *MyArgs[] = { "-a", "-joo" };
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std::unique_ptr<InputArgList> AL(
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T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC));
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EXPECT_TRUE(AL->hasArg(OPT_A));
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EXPECT_TRUE(AL->hasArg(OPT_B));
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}
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TEST(Option, DoNotIgnoreCase) {
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TestOptTable T;
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unsigned MAI, MAC;
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const char *MyArgs[] = { "-a", "-joo" };
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std::unique_ptr<InputArgList> AL(
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T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC));
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EXPECT_FALSE(AL->hasArg(OPT_A));
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EXPECT_FALSE(AL->hasArg(OPT_B));
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}
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TEST(Option, SlurpEmpty) {
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TestOptTable T;
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unsigned MAI, MAC;
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const char *MyArgs[] = { "-A", "-slurp" };
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std::unique_ptr<InputArgList> AL(
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T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC));
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EXPECT_TRUE(AL->hasArg(OPT_A));
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EXPECT_TRUE(AL->hasArg(OPT_Slurp));
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EXPECT_EQ(AL->getAllArgValues(OPT_Slurp).size(), 0U);
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}
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TEST(Option, Slurp) {
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TestOptTable T;
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unsigned MAI, MAC;
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const char *MyArgs[] = { "-A", "-slurp", "-B", "--", "foo" };
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std::unique_ptr<InputArgList> AL(
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T.ParseArgs(std::begin(MyArgs), std::end(MyArgs), MAI, MAC));
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EXPECT_EQ(AL->size(), 2U);
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EXPECT_TRUE(AL->hasArg(OPT_A));
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EXPECT_FALSE(AL->hasArg(OPT_B));
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EXPECT_TRUE(AL->hasArg(OPT_Slurp));
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EXPECT_EQ(AL->getAllArgValues(OPT_Slurp).size(), 3U);
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EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[0], "-B");
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EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[1], "--");
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EXPECT_EQ(AL->getAllArgValues(OPT_Slurp)[2], "foo");
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}
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