357 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			357 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===- unittests/Driver/MultilibTest.cpp --- Multilib 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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| //
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| // Unit tests for Multilib and MultilibSet
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "clang/Driver/Multilib.h"
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| #include "clang/Basic/LLVM.h"
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| #include "llvm/ADT/StringRef.h"
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| #include "llvm/ADT/StringSwitch.h"
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| #include "gtest/gtest.h"
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| 
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| using namespace clang::driver;
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| using namespace clang;
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| 
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| TEST(MultilibTest, MultilibValidity) {
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| 
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|   ASSERT_TRUE(Multilib().isValid()) << "Empty multilib is not valid";
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| 
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|   ASSERT_TRUE(Multilib().flag("+foo").isValid())
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|       << "Single indicative flag is not valid";
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| 
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|   ASSERT_TRUE(Multilib().flag("-foo").isValid())
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|       << "Single contraindicative flag is not valid";
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| 
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|   ASSERT_FALSE(Multilib().flag("+foo").flag("-foo").isValid())
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|       << "Conflicting flags should invalidate the Multilib";
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| 
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|   ASSERT_TRUE(Multilib().flag("+foo").flag("+foo").isValid())
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|       << "Multilib should be valid even if it has the same flag twice";
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| 
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|   ASSERT_TRUE(Multilib().flag("+foo").flag("-foobar").isValid())
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|       << "Seemingly conflicting prefixes shouldn't actually conflict";
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| }
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| 
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| TEST(MultilibTest, OpEqReflexivity1) {
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|   Multilib M;
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|   ASSERT_TRUE(M == M) << "Multilib::operator==() is not reflexive";
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| }
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| 
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| TEST(MultilibTest, OpEqReflexivity2) {
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|   ASSERT_TRUE(Multilib() == Multilib())
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|       << "Separately constructed default multilibs are not equal";
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| }
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| 
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| TEST(MultilibTest, OpEqReflexivity3) {
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|   Multilib M1, M2;
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|   M1.flag("+foo");
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|   M2.flag("+foo");
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|   ASSERT_TRUE(M1 == M2) << "Multilibs with the same flag should be the same";
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| }
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| 
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| TEST(MultilibTest, OpEqInequivalence1) {
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|   Multilib M1, M2;
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|   M1.flag("+foo");
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|   M2.flag("-foo");
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|   ASSERT_FALSE(M1 == M2) << "Multilibs with conflicting flags are not the same";
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|   ASSERT_FALSE(M2 == M1)
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|       << "Multilibs with conflicting flags are not the same (commuted)";
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| }
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| 
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| TEST(MultilibTest, OpEqInequivalence2) {
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|   Multilib M1, M2;
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|   M2.flag("+foo");
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|   ASSERT_FALSE(M1 == M2) << "Flags make Multilibs different";
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| }
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| 
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| TEST(MultilibTest, OpEqEquivalence1) {
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|   Multilib M1, M2;
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|   M1.flag("+foo");
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|   M2.flag("+foo").flag("+foo");
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|   ASSERT_TRUE(M1 == M2) << "Flag duplication shouldn't affect equivalence";
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|   ASSERT_TRUE(M2 == M1)
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|       << "Flag duplication shouldn't affect equivalence (commuted)";
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| }
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| 
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| TEST(MultilibTest, OpEqEquivalence2) {
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|   Multilib M1("64");
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|   Multilib M2;
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|   M2.gccSuffix("/64");
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|   ASSERT_TRUE(M1 == M2)
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|       << "Constructor argument must match Multilib::gccSuffix()";
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|   ASSERT_TRUE(M2 == M1)
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|       << "Constructor argument must match Multilib::gccSuffix() (commuted)";
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| }
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| 
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| TEST(MultilibTest, OpEqEquivalence3) {
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|   Multilib M1("", "32");
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|   Multilib M2;
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|   M2.osSuffix("/32");
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|   ASSERT_TRUE(M1 == M2)
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|       << "Constructor argument must match Multilib::osSuffix()";
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|   ASSERT_TRUE(M2 == M1)
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|       << "Constructor argument must match Multilib::osSuffix() (commuted)";
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| }
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| 
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| TEST(MultilibTest, OpEqEquivalence4) {
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|   Multilib M1("", "", "16");
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|   Multilib M2;
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|   M2.includeSuffix("/16");
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|   ASSERT_TRUE(M1 == M2)
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|       << "Constructor argument must match Multilib::includeSuffix()";
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|   ASSERT_TRUE(M2 == M1)
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|       << "Constructor argument must match Multilib::includeSuffix() (commuted)";
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| }
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| 
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| TEST(MultilibTest, OpEqInequivalence3) {
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|   Multilib M1("foo");
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|   Multilib M2("bar");
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|   ASSERT_FALSE(M1 == M2) << "Differing gccSuffixes should be different";
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|   ASSERT_FALSE(M2 == M1)
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|       << "Differing gccSuffixes should be different (commuted)";
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| }
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| 
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| TEST(MultilibTest, OpEqInequivalence4) {
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|   Multilib M1("", "foo");
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|   Multilib M2("", "bar");
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|   ASSERT_FALSE(M1 == M2) << "Differing osSuffixes should be different";
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|   ASSERT_FALSE(M2 == M1)
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|       << "Differing osSuffixes should be different (commuted)";
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| }
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| 
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| TEST(MultilibTest, OpEqInequivalence5) {
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|   Multilib M1("", "", "foo");
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|   Multilib M2("", "", "bar");
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|   ASSERT_FALSE(M1 == M2) << "Differing includeSuffixes should be different";
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|   ASSERT_FALSE(M2 == M1)
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|       << "Differing includeSuffixes should be different (commuted)";
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| }
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| 
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| TEST(MultilibTest, Construction1) {
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|   Multilib M("gcc64", "os64", "inc64");
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|   ASSERT_TRUE(M.gccSuffix() == "/gcc64");
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|   ASSERT_TRUE(M.osSuffix() == "/os64");
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|   ASSERT_TRUE(M.includeSuffix() == "/inc64");
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| }
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| 
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| TEST(MultilibTest, Construction2) {
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|   Multilib M1;
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|   Multilib M2("");
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|   Multilib M3("", "");
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|   Multilib M4("", "", "");
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|   ASSERT_TRUE(M1 == M2)
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|       << "Default arguments to Multilib constructor broken (first argument)";
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|   ASSERT_TRUE(M1 == M3)
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|       << "Default arguments to Multilib constructor broken (second argument)";
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|   ASSERT_TRUE(M1 == M4)
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|       << "Default arguments to Multilib constructor broken (third argument)";
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| }
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| 
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| TEST(MultilibTest, Construction3) {
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|   Multilib M = Multilib().flag("+f1").flag("+f2").flag("-f3");
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|   for (Multilib::flags_list::const_iterator I = M.flags().begin(),
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|                                             E = M.flags().end();
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|        I != E; ++I) {
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|     ASSERT_TRUE(llvm::StringSwitch<bool>(*I)
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|                     .Cases("+f1", "+f2", "-f3", true)
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|                     .Default(false));
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|   }
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| }
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| 
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| static bool hasFlag(const Multilib &M, StringRef Flag) {
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|   for (Multilib::flags_list::const_iterator I = M.flags().begin(),
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|                                             E = M.flags().end();
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|        I != E; ++I) {
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|     if (*I == Flag)
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|       return true;
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|     else if (StringRef(*I).substr(1) == Flag.substr(1))
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|       return false;
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|   }
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|   return false;
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| }
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| 
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| TEST(MultilibTest, SetConstruction1) {
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|   // Single maybe
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|   MultilibSet MS;
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|   ASSERT_TRUE(MS.size() == 0);
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|   MS.Maybe(Multilib("64").flag("+m64"));
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|   ASSERT_TRUE(MS.size() == 2);
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|   for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
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|     if (I->gccSuffix() == "/64")
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|       ASSERT_TRUE(I->flags()[0] == "+m64");
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|     else if (I->gccSuffix() == "")
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|       ASSERT_TRUE(I->flags()[0] == "-m64");
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|     else
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|       FAIL() << "Unrecognized gccSufix: " << I->gccSuffix();
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|   }
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| }
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| 
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| TEST(MultilibTest, SetConstruction2) {
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|   // Double maybe
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|   MultilibSet MS;
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|   MS.Maybe(Multilib("sof").flag("+sof"));
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|   MS.Maybe(Multilib("el").flag("+EL"));
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|   ASSERT_TRUE(MS.size() == 4);
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|   for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
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|     ASSERT_TRUE(I->isValid()) << "Multilb " << *I << " should be valid";
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|     ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
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|                     .Cases("", "/sof", "/el", "/sof/el", true)
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|                     .Default(false))
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|         << "Multilib " << *I << " wasn't expected";
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|     ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
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|                     .Case("", hasFlag(*I, "-sof"))
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|                     .Case("/sof", hasFlag(*I, "+sof"))
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|                     .Case("/el", hasFlag(*I, "-sof"))
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|                     .Case("/sof/el", hasFlag(*I, "+sof"))
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|                     .Default(false))
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|         << "Multilib " << *I << " didn't have the appropriate {+,-}sof flag";
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|     ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
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|                     .Case("", hasFlag(*I, "-EL"))
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|                     .Case("/sof", hasFlag(*I, "-EL"))
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|                     .Case("/el", hasFlag(*I, "+EL"))
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|                     .Case("/sof/el", hasFlag(*I, "+EL"))
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|                     .Default(false))
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|         << "Multilib " << *I << " didn't have the appropriate {+,-}EL flag";
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|   }
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| }
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| 
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| TEST(MultilibTest, SetPushback) {
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|   MultilibSet MS;
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|   MS.push_back(Multilib("one"));
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|   MS.push_back(Multilib("two"));
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|   ASSERT_TRUE(MS.size() == 2);
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|   for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
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|     ASSERT_TRUE(llvm::StringSwitch<bool>(I->gccSuffix())
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|                     .Cases("/one", "/two", true)
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|                     .Default(false));
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|   }
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|   MS.clear();
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|   ASSERT_TRUE(MS.size() == 0);
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| }
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| 
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| TEST(MultilibTest, SetRegexFilter) {
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|   MultilibSet MS;
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|   MS.Maybe(Multilib("one"));
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|   MS.Maybe(Multilib("two"));
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|   MS.Maybe(Multilib("three"));
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|   ASSERT_EQ(MS.size(), (unsigned)2 * 2 * 2)
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|       << "Size before filter was incorrect. Contents:\n" << MS;
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|   MS.FilterOut("/one/two/three");
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|   ASSERT_EQ(MS.size(), (unsigned)2 * 2 * 2 - 1)
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|       << "Size after filter was incorrect. Contents:\n" << MS;
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|   for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
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|     ASSERT_TRUE(I->gccSuffix() != "/one/two/three")
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|         << "The filter should have removed " << *I;
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|   }
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| }
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| 
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| TEST(MultilibTest, SetFilterObject) {
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|   // Filter object
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|   struct StartsWithP : public MultilibSet::FilterCallback {
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|     bool operator()(const Multilib &M) const override {
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|       return StringRef(M.gccSuffix()).startswith("/p");
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|     }
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|   };
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|   MultilibSet MS;
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|   MS.Maybe(Multilib("orange"));
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|   MS.Maybe(Multilib("pear"));
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|   MS.Maybe(Multilib("plum"));
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|   ASSERT_EQ((int)MS.size(), 1 /* Default */ +
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|                             1 /* pear */ +
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|                             1 /* plum */ +
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|                             1 /* pear/plum */ +
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|                             1 /* orange */ +
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|                             1 /* orange/pear */ +
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|                             1 /* orange/plum */ +
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|                             1 /* orange/pear/plum */ )
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|       << "Size before filter was incorrect. Contents:\n" << MS;
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|   MS.FilterOut(StartsWithP());
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|   ASSERT_EQ((int)MS.size(), 1 /* Default */ +
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|                             1 /* orange */ +
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|                             1 /* orange/pear */ +
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|                             1 /* orange/plum */ + 
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|                             1 /* orange/pear/plum */ )
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|       << "Size after filter was incorrect. Contents:\n" << MS;
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|   for (MultilibSet::const_iterator I = MS.begin(), E = MS.end(); I != E; ++I) {
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|     ASSERT_FALSE(StringRef(I->gccSuffix()).startswith("/p"))
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|         << "The filter should have removed " << *I;
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|   }
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| }
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| 
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| TEST(MultilibTest, SetSelection1) {
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|   MultilibSet MS1 = MultilibSet()
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|     .Maybe(Multilib("64").flag("+m64"));
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| 
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|   Multilib::flags_list FlagM64;
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|   FlagM64.push_back("+m64");
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|   Multilib SelectionM64;
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|   ASSERT_TRUE(MS1.select(FlagM64, SelectionM64))
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|       << "Flag set was {\"+m64\"}, but selection not found";
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|   ASSERT_TRUE(SelectionM64.gccSuffix() == "/64")
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|       << "Selection picked " << SelectionM64 << " which was not expected";
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| 
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|   Multilib::flags_list FlagNoM64;
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|   FlagNoM64.push_back("-m64");
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|   Multilib SelectionNoM64;
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|   ASSERT_TRUE(MS1.select(FlagNoM64, SelectionNoM64))
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|       << "Flag set was {\"-m64\"}, but selection not found";
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|   ASSERT_TRUE(SelectionNoM64.gccSuffix() == "")
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|       << "Selection picked " << SelectionNoM64 << " which was not expected";
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| }
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| 
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| TEST(MultilibTest, SetSelection2) {
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|   MultilibSet MS2 = MultilibSet()
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|     .Maybe(Multilib("el").flag("+EL"))
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|     .Maybe(Multilib("sf").flag("+SF"));
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| 
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|   for (unsigned I = 0; I < 4; ++I) {
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|     bool IsEL = I & 0x1;
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|     bool IsSF = I & 0x2;
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|     Multilib::flags_list Flags;
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|     if (IsEL)
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|       Flags.push_back("+EL");
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|     else
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|       Flags.push_back("-EL");
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| 
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|     if (IsSF)
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|       Flags.push_back("+SF");
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|     else
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|       Flags.push_back("-SF");
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| 
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|     Multilib Selection;
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|     ASSERT_TRUE(MS2.select(Flags, Selection)) << "Selection failed for "
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|                                               << (IsEL ? "+EL" : "-EL") << " "
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|                                               << (IsSF ? "+SF" : "-SF");
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| 
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|     std::string Suffix;
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|     if (IsEL)
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|       Suffix += "/el";
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|     if (IsSF)
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|       Suffix += "/sf";
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| 
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|     ASSERT_EQ(Selection.gccSuffix(), Suffix) << "Selection picked " << Selection
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|                                              << " which was not expected ";
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|   }
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| }
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| 
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| TEST(MultilibTest, SetCombineWith) {
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|   MultilibSet Coffee;
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|   Coffee.push_back(Multilib("coffee"));
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|   MultilibSet Milk;
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|   Milk.push_back(Multilib("milk"));
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|   MultilibSet Latte;
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|   ASSERT_EQ(Latte.size(), (unsigned)0);
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|   Latte.combineWith(Coffee);
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|   ASSERT_EQ(Latte.size(), (unsigned)1);
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|   Latte.combineWith(Milk);
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|   ASSERT_EQ(Latte.size(), (unsigned)2);
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| }
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