mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
|
//===---- ADT/IntEqClassesTest.cpp - IntEqClasses unit tests ----*- C++ -*-===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is distributed under the University of Illinois Open Source
|
||
|
|
// License. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "llvm/ADT/IntEqClasses.h"
|
||
|
|
#include "gtest/gtest.h"
|
||
|
|
|
||
|
|
using namespace llvm;
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
TEST(IntEqClasses, Simple) {
|
||
|
|
IntEqClasses ec(10);
|
||
|
|
|
||
|
|
ec.join(0, 1);
|
||
|
|
ec.join(3, 2);
|
||
|
|
ec.join(4, 5);
|
||
|
|
ec.join(7, 6);
|
||
|
|
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(0));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(1));
|
||
|
|
EXPECT_EQ(2u, ec.findLeader(2));
|
||
|
|
EXPECT_EQ(2u, ec.findLeader(3));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(4));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(5));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(6));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(7));
|
||
|
|
EXPECT_EQ(8u, ec.findLeader(8));
|
||
|
|
EXPECT_EQ(9u, ec.findLeader(9));
|
||
|
|
|
||
|
|
// join two non-leaders.
|
||
|
|
ec.join(1, 3);
|
||
|
|
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(0));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(1));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(2));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(3));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(4));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(5));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(6));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(7));
|
||
|
|
EXPECT_EQ(8u, ec.findLeader(8));
|
||
|
|
EXPECT_EQ(9u, ec.findLeader(9));
|
||
|
|
|
||
|
|
// join two leaders.
|
||
|
|
ec.join(4, 8);
|
||
|
|
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(0));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(1));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(2));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(3));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(4));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(5));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(6));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(7));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(8));
|
||
|
|
EXPECT_EQ(9u, ec.findLeader(9));
|
||
|
|
|
||
|
|
// join mixed.
|
||
|
|
ec.join(9, 1);
|
||
|
|
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(0));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(1));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(2));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(3));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(4));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(5));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(6));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(7));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(8));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(9));
|
||
|
|
|
||
|
|
// compressed map.
|
||
|
|
ec.compress();
|
||
|
|
EXPECT_EQ(3u, ec.getNumClasses());
|
||
|
|
|
||
|
|
EXPECT_EQ(0u, ec[0]);
|
||
|
|
EXPECT_EQ(0u, ec[1]);
|
||
|
|
EXPECT_EQ(0u, ec[2]);
|
||
|
|
EXPECT_EQ(0u, ec[3]);
|
||
|
|
EXPECT_EQ(1u, ec[4]);
|
||
|
|
EXPECT_EQ(1u, ec[5]);
|
||
|
|
EXPECT_EQ(2u, ec[6]);
|
||
|
|
EXPECT_EQ(2u, ec[7]);
|
||
|
|
EXPECT_EQ(1u, ec[8]);
|
||
|
|
EXPECT_EQ(0u, ec[9]);
|
||
|
|
|
||
|
|
// uncompressed map.
|
||
|
|
ec.uncompress();
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(0));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(1));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(2));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(3));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(4));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(5));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(6));
|
||
|
|
EXPECT_EQ(6u, ec.findLeader(7));
|
||
|
|
EXPECT_EQ(4u, ec.findLeader(8));
|
||
|
|
EXPECT_EQ(0u, ec.findLeader(9));
|
||
|
|
}
|
||
|
|
|
||
|
|
} // end anonymous namespace
|