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//===-- FlagsTest.cpp -------------------===---------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "lldb/Utility/Flags.h"
using namespace lldb_private;
enum DummyFlags {
eFlag0 = 1 << 0,
eFlag1 = 1 << 1,
eFlag2 = 1 << 2,
eAllFlags = (eFlag0 | eFlag1 | eFlag2)
};
TEST(Flags, GetBitSize) {
Flags f;
// Methods like ClearCount depend on this specific value, so we test
// against it here.
EXPECT_EQ(32U, f.GetBitSize());
}
TEST(Flags, Reset) {
Flags f;
f.Reset(0x3);
EXPECT_EQ(0x3U, f.Get());
EXPECT_EQ(2U, f.SetCount());
}
TEST(Flags, Clear) {
Flags f;
f.Reset(0x3);
EXPECT_EQ(2U, f.SetCount());
f.Clear(0x5);
EXPECT_EQ(1U, f.SetCount());
f.Clear();
EXPECT_EQ(0U, f.SetCount());
}
TEST(Flags, AllSet) {
Flags f;
EXPECT_FALSE(f.AllSet(eFlag0 | eFlag1));
f.Set(eFlag0);
EXPECT_FALSE(f.AllSet(eFlag0 | eFlag1));
f.Set(eFlag1);
EXPECT_TRUE(f.AllSet(eFlag0 | eFlag1));
f.Clear(eFlag1);
EXPECT_FALSE(f.AllSet(eFlag0 | eFlag1));
f.Clear(eFlag0);
EXPECT_FALSE(f.AllSet(eFlag0 | eFlag1));
}
TEST(Flags, AnySet) {
Flags f;
EXPECT_FALSE(f.AnySet(eFlag0 | eFlag1));
f.Set(eFlag0);
EXPECT_TRUE(f.AnySet(eFlag0 | eFlag1));
f.Set(eFlag1);
EXPECT_TRUE(f.AnySet(eFlag0 | eFlag1));
f.Clear(eFlag1);
EXPECT_TRUE(f.AnySet(eFlag0 | eFlag1));
f.Clear(eFlag0);
EXPECT_FALSE(f.AnySet(eFlag0 | eFlag1));
}
TEST(Flags, Test) {
Flags f;
EXPECT_FALSE(f.Test(eFlag0));
EXPECT_FALSE(f.Test(eFlag1));
EXPECT_FALSE(f.Test(eFlag2));
f.Set(eFlag0);
EXPECT_TRUE(f.Test(eFlag0));
EXPECT_FALSE(f.Test(eFlag1));
EXPECT_FALSE(f.Test(eFlag2));
f.Set(eFlag1);
EXPECT_TRUE(f.Test(eFlag0));
EXPECT_TRUE(f.Test(eFlag1));
EXPECT_FALSE(f.Test(eFlag2));
f.Clear(eFlag0);
EXPECT_FALSE(f.Test(eFlag0));
EXPECT_TRUE(f.Test(eFlag1));
EXPECT_FALSE(f.Test(eFlag2));
// FIXME: Should Flags assert on Test(eFlag0 | eFlag1) (more than one bit)?
}
TEST(Flags, AllClear) {
Flags f;
EXPECT_TRUE(f.AllClear(eFlag0 | eFlag1));
f.Set(eFlag0);
EXPECT_FALSE(f.AllClear(eFlag0 | eFlag1));
f.Set(eFlag1);
f.Clear(eFlag0);
EXPECT_FALSE(f.AllClear(eFlag0 | eFlag1));
f.Clear(eFlag1);
EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
}
TEST(Flags, AnyClear) {
Flags f;
EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
f.Set(eFlag0);
EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
f.Set(eFlag1);
f.Set(eFlag0);
EXPECT_FALSE(f.AnyClear(eFlag0 | eFlag1));
f.Clear(eFlag1);
EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
f.Clear(eFlag0);
EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
}
TEST(Flags, IsClear) {
Flags f;
EXPECT_TRUE(f.IsClear(eFlag0));
EXPECT_TRUE(f.IsClear(eFlag1));
f.Set(eFlag0);
EXPECT_FALSE(f.IsClear(eFlag0));
EXPECT_TRUE(f.IsClear(eFlag1));
f.Set(eFlag1);
EXPECT_FALSE(f.IsClear(eFlag0));
EXPECT_FALSE(f.IsClear(eFlag1));
f.Clear(eFlag0);
EXPECT_TRUE(f.IsClear(eFlag0));
EXPECT_FALSE(f.IsClear(eFlag1));
f.Clear(eFlag1);
EXPECT_TRUE(f.IsClear(eFlag0));
EXPECT_TRUE(f.IsClear(eFlag1));
}
TEST(Flags, ClearCount) {
Flags f;
EXPECT_EQ(32U, f.ClearCount());
f.Set(eFlag0);
EXPECT_EQ(31U, f.ClearCount());
f.Set(eFlag0);
EXPECT_EQ(31U, f.ClearCount());
f.Set(eFlag1);
EXPECT_EQ(30U, f.ClearCount());
f.Set(eAllFlags);
EXPECT_EQ(29U, f.ClearCount());
}
TEST(Flags, SetCount) {
Flags f;
EXPECT_EQ(0U, f.SetCount());
f.Set(eFlag0);
EXPECT_EQ(1U, f.SetCount());
f.Set(eFlag0);
EXPECT_EQ(1U, f.SetCount());
f.Set(eFlag1);
EXPECT_EQ(2U, f.SetCount());
f.Set(eAllFlags);
EXPECT_EQ(3U, f.SetCount());
}