0d8a008611
Summary: These functions are only used in tests where we should test the actual flag values instead of counting all bits for an approximate check. Also these popcount implementation aren't very efficient and doesn't seem to be optimised to anything fast. Reviewers: davide, JDevlieghere Reviewed By: davide, JDevlieghere Subscribers: abidh, JDevlieghere, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D67540 llvm-svn: 372018
164 lines
3.2 KiB
C++
164 lines
3.2 KiB
C++
//===-- FlagsTest.cpp -------------------===---------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "lldb/Utility/Flags.h"
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using namespace lldb_private;
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enum DummyFlags {
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eFlag0 = 1 << 0,
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eFlag1 = 1 << 1,
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eFlag2 = 1 << 2,
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eAllFlags = (eFlag0 | eFlag1 | eFlag2)
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};
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TEST(Flags, GetBitSize) {
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Flags f;
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// Methods like ClearCount depend on this specific value, so we test
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// against it here.
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EXPECT_EQ(32U, f.GetBitSize());
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}
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TEST(Flags, Reset) {
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Flags f;
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f.Reset(0x3);
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EXPECT_EQ(0x3U, f.Get());
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}
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TEST(Flags, Clear) {
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Flags f;
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f.Reset(0x3);
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EXPECT_EQ(0x3U, f.Get());
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f.Clear(0x5);
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EXPECT_EQ(0x2U, f.Get());
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f.Clear();
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EXPECT_EQ(0x0U, f.Get());
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}
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TEST(Flags, AllSet) {
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Flags f;
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EXPECT_FALSE(f.AllSet(eFlag0 | eFlag1));
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f.Set(eFlag0);
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EXPECT_FALSE(f.AllSet(eFlag0 | eFlag1));
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f.Set(eFlag1);
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EXPECT_TRUE(f.AllSet(eFlag0 | eFlag1));
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f.Clear(eFlag1);
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EXPECT_FALSE(f.AllSet(eFlag0 | eFlag1));
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f.Clear(eFlag0);
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EXPECT_FALSE(f.AllSet(eFlag0 | eFlag1));
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}
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TEST(Flags, AnySet) {
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Flags f;
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EXPECT_FALSE(f.AnySet(eFlag0 | eFlag1));
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f.Set(eFlag0);
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EXPECT_TRUE(f.AnySet(eFlag0 | eFlag1));
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f.Set(eFlag1);
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EXPECT_TRUE(f.AnySet(eFlag0 | eFlag1));
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f.Clear(eFlag1);
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EXPECT_TRUE(f.AnySet(eFlag0 | eFlag1));
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f.Clear(eFlag0);
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EXPECT_FALSE(f.AnySet(eFlag0 | eFlag1));
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}
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TEST(Flags, Test) {
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Flags f;
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EXPECT_FALSE(f.Test(eFlag0));
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EXPECT_FALSE(f.Test(eFlag1));
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EXPECT_FALSE(f.Test(eFlag2));
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f.Set(eFlag0);
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EXPECT_TRUE(f.Test(eFlag0));
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EXPECT_FALSE(f.Test(eFlag1));
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EXPECT_FALSE(f.Test(eFlag2));
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f.Set(eFlag1);
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EXPECT_TRUE(f.Test(eFlag0));
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EXPECT_TRUE(f.Test(eFlag1));
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EXPECT_FALSE(f.Test(eFlag2));
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f.Clear(eFlag0);
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EXPECT_FALSE(f.Test(eFlag0));
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EXPECT_TRUE(f.Test(eFlag1));
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EXPECT_FALSE(f.Test(eFlag2));
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// FIXME: Should Flags assert on Test(eFlag0 | eFlag1) (more than one bit)?
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}
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TEST(Flags, AllClear) {
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Flags f;
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EXPECT_TRUE(f.AllClear(eFlag0 | eFlag1));
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f.Set(eFlag0);
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EXPECT_FALSE(f.AllClear(eFlag0 | eFlag1));
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f.Set(eFlag1);
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f.Clear(eFlag0);
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EXPECT_FALSE(f.AllClear(eFlag0 | eFlag1));
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f.Clear(eFlag1);
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EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
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}
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TEST(Flags, AnyClear) {
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Flags f;
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EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
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f.Set(eFlag0);
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EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
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f.Set(eFlag1);
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f.Set(eFlag0);
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EXPECT_FALSE(f.AnyClear(eFlag0 | eFlag1));
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f.Clear(eFlag1);
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EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
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f.Clear(eFlag0);
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EXPECT_TRUE(f.AnyClear(eFlag0 | eFlag1));
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}
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TEST(Flags, IsClear) {
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Flags f;
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EXPECT_TRUE(f.IsClear(eFlag0));
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EXPECT_TRUE(f.IsClear(eFlag1));
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f.Set(eFlag0);
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EXPECT_FALSE(f.IsClear(eFlag0));
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EXPECT_TRUE(f.IsClear(eFlag1));
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f.Set(eFlag1);
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EXPECT_FALSE(f.IsClear(eFlag0));
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EXPECT_FALSE(f.IsClear(eFlag1));
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f.Clear(eFlag0);
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EXPECT_TRUE(f.IsClear(eFlag0));
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EXPECT_FALSE(f.IsClear(eFlag1));
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f.Clear(eFlag1);
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EXPECT_TRUE(f.IsClear(eFlag0));
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EXPECT_TRUE(f.IsClear(eFlag1));
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}
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