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| //===- unittests/Driver/MultilibTest.cpp --- Multilib 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 Multilib and MultilibSet
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/Multilib.h"
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "gtest/gtest.h"
using namespace clang::driver;
using namespace clang;
TEST(MultilibTest, MultilibValidity) {
ASSERT_TRUE(Multilib().isValid()) << "Empty multilib is not valid";
ASSERT_TRUE(Multilib().flag("+foo").isValid())
<< "Single indicative flag is not valid";
ASSERT_TRUE(Multilib().flag("-foo").isValid())
<< "Single contraindicative flag is not valid";
ASSERT_FALSE(Multilib().flag("+foo").flag("-foo").isValid())
<< "Conflicting flags should invalidate the Multilib";
ASSERT_TRUE(Multilib().flag("+foo").flag("+foo").isValid())
<< "Multilib should be valid even if it has the same flag twice";
ASSERT_TRUE(Multilib().flag("+foo").flag("-foobar").isValid())
<< "Seemingly conflicting prefixes shouldn't actually conflict";
}
TEST(MultilibTest, OpEqReflexivity1) {
Multilib M;
ASSERT_TRUE(M == M) << "Multilib::operator==() is not reflexive";
}
TEST(MultilibTest, OpEqReflexivity2) {
ASSERT_TRUE(Multilib() == Multilib())
<< "Separately constructed default multilibs are not equal";
}
TEST(MultilibTest, OpEqReflexivity3) {
Multilib M1, M2;
M1.flag("+foo");
M2.flag("+foo");
ASSERT_TRUE(M1 == M2) << "Multilibs with the same flag should be the same";
}
TEST(MultilibTest, OpEqInequivalence1) {
Multilib M1, M2;
M1.flag("+foo");
M2.flag("-foo");
ASSERT_FALSE(M1 == M2) << "Multilibs with conflicting flags are not the same";
ASSERT_FALSE(M2 == M1)
<< "Multilibs with conflicting flags are not the same (commuted)";
}
TEST(MultilibTest, OpEqInequivalence2) {
Multilib M1, M2;
M2.flag("+foo");
ASSERT_FALSE(M1 == M2) << "Flags make Multilibs different";
}
TEST(MultilibTest, OpEqEquivalence1) {
Multilib M1, M2;
M1.flag("+foo");
M2.flag("+foo").flag("+foo");
ASSERT_TRUE(M1 == M2) << "Flag duplication shouldn't affect equivalence";
ASSERT_TRUE(M2 == M1)
<< "Flag duplication shouldn't affect equivalence (commuted)";
}
TEST(MultilibTest, OpEqEquivalence2) {
Multilib M1("64");
Multilib M2;
M2.gccSuffix("/64");
ASSERT_TRUE(M1 == M2)
<< "Constructor argument must match Multilib::gccSuffix()";
ASSERT_TRUE(M2 == M1)
<< "Constructor argument must match Multilib::gccSuffix() (commuted)";
}
TEST(MultilibTest, OpEqEquivalence3) {
Multilib M1("", "32");
Multilib M2;
M2.osSuffix("/32");
ASSERT_TRUE(M1 == M2)
<< "Constructor argument must match Multilib::osSuffix()";
ASSERT_TRUE(M2 == M1)
<< "Constructor argument must match Multilib::osSuffix() (commuted)";
}
TEST(MultilibTest, OpEqEquivalence4) {
Multilib M1("", "", "16");
Multilib M2;
M2.includeSuffix("/16");
ASSERT_TRUE(M1 == M2)
<< "Constructor argument must match Multilib::includeSuffix()";
ASSERT_TRUE(M2 == M1)
<< "Constructor argument must match Multilib::includeSuffix() (commuted)";
}
TEST(MultilibTest, OpEqInequivalence3) {
Multilib M1("foo");
Multilib M2("bar");
ASSERT_FALSE(M1 == M2) << "Differing gccSuffixes should be different";
ASSERT_FALSE(M2 == M1)
<< "Differing gccSuffixes should be different (commuted)";
}
TEST(MultilibTest, OpEqInequivalence4) {
Multilib M1("", "foo");
Multilib M2("", "bar");
ASSERT_FALSE(M1 == M2) << "Differing osSuffixes should be different";
ASSERT_FALSE(M2 == M1)
<< "Differing osSuffixes should be different (commuted)";
}
TEST(MultilibTest, OpEqInequivalence5) {
Multilib M1("", "", "foo");
Multilib M2("", "", "bar");
ASSERT_FALSE(M1 == M2) << "Differing includeSuffixes should be different";
ASSERT_FALSE(M2 == M1)
<< "Differing includeSuffixes should be different (commuted)";
}
TEST(MultilibTest, Construction1) {
Multilib M("gcc64", "os64", "inc64");
ASSERT_TRUE(M.gccSuffix() == "/gcc64");
ASSERT_TRUE(M.osSuffix() == "/os64");
ASSERT_TRUE(M.includeSuffix() == "/inc64");
}
TEST(MultilibTest, Construction2) {
Multilib M1;
Multilib M2("");
Multilib M3("", "");
Multilib M4("", "", "");
ASSERT_TRUE(M1 == M2)
<< "Default arguments to Multilib constructor broken (first argument)";
ASSERT_TRUE(M1 == M3)
<< "Default arguments to Multilib constructor broken (second argument)";
ASSERT_TRUE(M1 == M4)
<< "Default arguments to Multilib constructor broken (third argument)";
}
TEST(MultilibTest, Construction3) {
Multilib M = Multilib().flag("+f1").flag("+f2").flag("-f3");
for (Multilib::flags_list::const_iterator I = M.flags().begin(),
E = M.flags().end();
I != E; ++I) {
ASSERT_TRUE(llvm::StringSwitch<bool>(*I)
.Cases("+f1", "+f2", "-f3", true)
.Default(false));
}
}
static bool hasFlag(const Multilib &M, StringRef Flag) {
for (Multilib::flags_list::const_iterator I = M.flags().begin(),
E = M.flags().end();
I != E; ++I) {
if (*I == Flag)
return true;
else if (StringRef(*I).substr(1) == Flag.substr(1))
return false;
}
return false;
}
TEST(MultilibTest, SetConstruction1) {
// Single maybe
MultilibSet MS;
ASSERT_TRUE(MS.size() == 0);
MS.Maybe(Multilib("64").flag("+m64"));
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()[0] == "+m64");
else if (I->gccSuffix() == "")
ASSERT_TRUE(I->flags()[0] == "-m64");
else
FAIL() << "Unrecognized gccSufix: " << I->gccSuffix();
}
}
TEST(MultilibTest, SetConstruction2) {
// Double maybe
MultilibSet MS;
MS.Maybe(Multilib("sof").flag("+sof"));
MS.Maybe(Multilib("el").flag("+EL"));
ASSERT_TRUE(MS.size() == 4);
for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
ASSERT_TRUE(I->isValid()) << "Multilb " << *I << " should be valid";
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("", hasFlag(*I, "-sof"))
.Case("/sof", hasFlag(*I, "+sof"))
.Case("/el", hasFlag(*I, "-sof"))
.Case("/sof/el", hasFlag(*I, "+sof"))
.Default(false))
<< "Multilib " << *I << " didn't have the appropriate {+,-}sof flag";
ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
.Case("", hasFlag(*I, "-EL"))
.Case("/sof", hasFlag(*I, "-EL"))
.Case("/el", hasFlag(*I, "+EL"))
.Case("/sof/el", hasFlag(*I, "+EL"))
.Default(false))
<< "Multilib " << *I << " didn't have the appropriate {+,-}EL flag";
}
}
TEST(MultilibTest, SetPushback) {
MultilibSet MS;
MS.push_back(Multilib("one"));
MS.push_back(Multilib("two"));
ASSERT_TRUE(MS.size() == 2);
for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
.Cases("/one", "/two", true)
.Default(false));
}
MS.clear();
ASSERT_TRUE(MS.size() == 0);
}
TEST(MultilibTest, SetRegexFilter) {
MultilibSet MS;
MS.Maybe(Multilib("one"));
MS.Maybe(Multilib("two"));
MS.Maybe(Multilib("three"));
ASSERT_EQ(MS.size(), (unsigned)2 * 2 * 2)
<< "Size before filter was incorrect. Contents:\n" << MS;
MS.FilterOut("/one/two/three");
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(MultilibTest, SetFilterObject) {
MultilibSet MS;
MS.Maybe(Multilib("orange"));
MS.Maybe(Multilib("pear"));
MS.Maybe(Multilib("plum"));
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()).startswith("/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()).startswith("/p"))
<< "The filter should have removed " << *I;
}
}
TEST(MultilibTest, SetSelection1) {
MultilibSet MS1 = MultilibSet()
.Maybe(Multilib("64").flag("+m64"));
Multilib::flags_list FlagM64;
FlagM64.push_back("+m64");
Multilib SelectionM64;
ASSERT_TRUE(MS1.select(FlagM64, SelectionM64))
<< "Flag set was {\"+m64\"}, but selection not found";
ASSERT_TRUE(SelectionM64.gccSuffix() == "/64")
<< "Selection picked " << SelectionM64 << " which was not expected";
Multilib::flags_list FlagNoM64;
FlagNoM64.push_back("-m64");
Multilib SelectionNoM64;
ASSERT_TRUE(MS1.select(FlagNoM64, SelectionNoM64))
<< "Flag set was {\"-m64\"}, but selection not found";
ASSERT_TRUE(SelectionNoM64.gccSuffix() == "")
<< "Selection picked " << SelectionNoM64 << " which was not expected";
}
TEST(MultilibTest, SetSelection2) {
MultilibSet MS2 = MultilibSet()
.Maybe(Multilib("el").flag("+EL"))
.Maybe(Multilib("sf").flag("+SF"));
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");
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.gccSuffix(), Suffix) << "Selection picked " << Selection
<< " which was not expected ";
}
}
TEST(MultilibTest, SetCombineWith) {
MultilibSet Coffee;
Coffee.push_back(Multilib("coffee"));
MultilibSet Milk;
Milk.push_back(Multilib("milk"));
MultilibSet Latte;
ASSERT_EQ(Latte.size(), (unsigned)0);
Latte.combineWith(Coffee);
ASSERT_EQ(Latte.size(), (unsigned)1);
Latte.combineWith(Milk);
ASSERT_EQ(Latte.size(), (unsigned)2);
}
TEST(MultilibTest, SetPriority) {
MultilibSet MS;
MS.push_back(Multilib("foo", {}, {}, 1).flag("+foo"));
MS.push_back(Multilib("bar", {}, {}, 2).flag("+bar"));
Multilib::flags_list Flags1;
Flags1.push_back("+foo");
Flags1.push_back("-bar");
Multilib Selection1;
ASSERT_TRUE(MS.select(Flags1, Selection1))
<< "Flag set was {\"+foo\"}, but selection not found";
ASSERT_TRUE(Selection1.gccSuffix() == "/foo")
<< "Selection picked " << Selection1 << " which was not expected";
Multilib::flags_list Flags2;
Flags2.push_back("+foo");
Flags2.push_back("+bar");
Multilib Selection2;
ASSERT_TRUE(MS.select(Flags2, Selection2))
<< "Flag set was {\"+bar\"}, but selection not found";
ASSERT_TRUE(Selection2.gccSuffix() == "/bar")
<< "Selection picked " << Selection2 << " which was not expected";
}
|