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//===- unittests/Driver/MultilibBuilderTest.cpp --- MultilibBuilder tests
//---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Unit tests for MultilibBuilder and MultilibSetBuilder
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/MultilibBuilder.h"
#include "../../lib/Driver/ToolChains/CommonArgs.h"
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "gtest/gtest.h"
using llvm::is_contained;
using namespace clang;
using namespace driver;
TEST(MultilibBuilderTest, MultilibValidity) {
ASSERT_TRUE(MultilibBuilder().isValid()) << "Empty multilib is not valid";
ASSERT_TRUE(MultilibBuilder().flag("-foo").isValid())
<< "Single indicative flag is not valid";
ASSERT_TRUE(MultilibBuilder().flag("-foo", /*Disallow=*/true).isValid())
<< "Single contraindicative flag is not valid";
ASSERT_FALSE(
MultilibBuilder().flag("-foo").flag("-foo", /*Disallow=*/true).isValid())
<< "Conflicting flags should invalidate the Multilib";
ASSERT_TRUE(MultilibBuilder().flag("-foo").flag("-foo").isValid())
<< "Multilib should be valid even if it has the same flag "
"twice";
ASSERT_TRUE(MultilibBuilder()
.flag("-foo")
.flag("-foobar", /*Disallow=*/true)
.isValid())
<< "Seemingly conflicting prefixes shouldn't actually conflict";
}
TEST(MultilibBuilderTest, Construction1) {
MultilibBuilder M("gcc64", "os64", "inc64");
ASSERT_TRUE(M.gccSuffix() == "/gcc64");
ASSERT_TRUE(M.osSuffix() == "/os64");
ASSERT_TRUE(M.includeSuffix() == "/inc64");
}
TEST(MultilibBuilderTest, Construction3) {
MultilibBuilder M =
MultilibBuilder().flag("-f1").flag("-f2").flag("-f3", /*Disallow=*/true);
for (const std::string &A : M.flags()) {
ASSERT_TRUE(llvm::StringSwitch<bool>(A)
.Cases("-f1", "-f2", "!f3", true)
.Default(false));
}
}
TEST(MultilibBuilderTest, SetConstruction1) {
// Single maybe
MultilibSet MS = MultilibSetBuilder()
.Maybe(MultilibBuilder("64").flag("-m64"))
.makeMultilibSet();
ASSERT_TRUE(MS.size() == 2);
for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
if (I->gccSuffix() == "/64")
ASSERT_TRUE(*I->flags().begin() == "-m64");
else if (I->gccSuffix() == "")
ASSERT_TRUE(*I->flags().begin() == "!m64");
else
FAIL() << "Unrecognized gccSufix: " << I->gccSuffix();
}
}
TEST(MultilibBuilderTest, SetConstruction2) {
// Double maybe
MultilibSet MS = MultilibSetBuilder()
.Maybe(MultilibBuilder("sof").flag("-sof"))
.Maybe(MultilibBuilder("el").flag("-EL"))
.makeMultilibSet();
ASSERT_TRUE(MS.size() == 4);
for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
.Cases("", "/sof", "/el", "/sof/el", true)
.Default(false))
<< "Multilib " << *I << " wasn't expected";
ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
.Case("", is_contained(I->flags(), "!sof"))
.Case("/sof", is_contained(I->flags(), "-sof"))
.Case("/el", is_contained(I->flags(), "!sof"))
.Case("/sof/el", is_contained(I->flags(), "-sof"))
.Default(false))
<< "Multilib " << *I << " didn't have the appropriate {-,!}sof flag";
ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
.Case("", is_contained(I->flags(), "!EL"))
.Case("/sof", is_contained(I->flags(), "!EL"))
.Case("/el", is_contained(I->flags(), "-EL"))
.Case("/sof/el", is_contained(I->flags(), "-EL"))
.Default(false))
<< "Multilib " << *I << " didn't have the appropriate {-,!}EL flag";
}
}
TEST(MultilibBuilderTest, SetRegexFilter) {
MultilibSetBuilder MB;
MB.Maybe(MultilibBuilder("one"))
.Maybe(MultilibBuilder("two"))
.Maybe(MultilibBuilder("three"))
.makeMultilibSet();
MultilibSet MS = MB.makeMultilibSet();
ASSERT_EQ(MS.size(), (unsigned)2 * 2 * 2)
<< "Size before filter was incorrect. Contents:\n"
<< MS;
MB.FilterOut("/one/two/three");
MS = MB.makeMultilibSet();
ASSERT_EQ(MS.size(), (unsigned)2 * 2 * 2 - 1)
<< "Size after filter was incorrect. Contents:\n"
<< MS;
for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
ASSERT_TRUE(I->gccSuffix() != "/one/two/three")
<< "The filter should have removed " << *I;
}
}
TEST(MultilibBuilderTest, SetFilterObject) {
MultilibSet MS = MultilibSetBuilder()
.Maybe(MultilibBuilder("orange"))
.Maybe(MultilibBuilder("pear"))
.Maybe(MultilibBuilder("plum"))
.makeMultilibSet();
ASSERT_EQ((int)MS.size(), 1 /* Default */ + 1 /* pear */ + 1 /* plum */ +
1 /* pear/plum */ + 1 /* orange */ +
1 /* orange/pear */ + 1 /* orange/plum */ +
1 /* orange/pear/plum */)
<< "Size before filter was incorrect. Contents:\n"
<< MS;
MS.FilterOut([](const Multilib &M) {
return StringRef(M.gccSuffix()).starts_with("/p");
});
ASSERT_EQ((int)MS.size(), 1 /* Default */ + 1 /* orange */ +
1 /* orange/pear */ + 1 /* orange/plum */ +
1 /* orange/pear/plum */)
<< "Size after filter was incorrect. Contents:\n"
<< MS;
for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
ASSERT_FALSE(StringRef(I->gccSuffix()).starts_with("/p"))
<< "The filter should have removed " << *I;
}
}
TEST(MultilibBuilderTest, SetSelection1) {
MultilibSet MS1 = MultilibSetBuilder()
.Maybe(MultilibBuilder("64").flag("-m64"))
.makeMultilibSet();
Multilib::flags_list FlagM64 = {"-m64"};
llvm::SmallVector<Multilib> SelectionM64;
ASSERT_TRUE(MS1.select(FlagM64, SelectionM64))
<< "Flag set was {\"-m64\"}, but selection not found";
ASSERT_TRUE(SelectionM64.back().gccSuffix() == "/64")
<< "Selection picked " << SelectionM64.back()
<< " which was not expected";
Multilib::flags_list FlagNoM64 = {"!m64"};
llvm::SmallVector<Multilib> SelectionNoM64;
ASSERT_TRUE(MS1.select(FlagNoM64, SelectionNoM64))
<< "Flag set was {\"!m64\"}, but selection not found";
ASSERT_TRUE(SelectionNoM64.back().gccSuffix() == "")
<< "Selection picked " << SelectionNoM64.back()
<< " which was not expected";
}
TEST(MultilibBuilderTest, SetSelection2) {
MultilibSet MS2 = MultilibSetBuilder()
.Maybe(MultilibBuilder("el").flag("-EL"))
.Maybe(MultilibBuilder("sf").flag("-SF"))
.makeMultilibSet();
for (unsigned I = 0; I < 4; ++I) {
bool IsEL = I & 0x1;
bool IsSF = I & 0x2;
Multilib::flags_list Flags;
if (IsEL)
Flags.push_back("-EL");
else
Flags.push_back("!EL");
if (IsSF)
Flags.push_back("-SF");
else
Flags.push_back("!SF");
llvm::SmallVector<Multilib> Selection;
ASSERT_TRUE(MS2.select(Flags, Selection))
<< "Selection failed for " << (IsEL ? "-EL" : "!EL") << " "
<< (IsSF ? "-SF" : "!SF");
std::string Suffix;
if (IsEL)
Suffix += "/el";
if (IsSF)
Suffix += "/sf";
ASSERT_EQ(Selection.back().gccSuffix(), Suffix)
<< "Selection picked " << Selection.back()
<< " which was not expected ";
}
}
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