mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
c437bd577f
to print STL containers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136213 91177308-0d34-0410-b5e6-96231b3b80d8
106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
//===- llvm/unittest/ADT/DAGDeltaAlgorithmTest.cpp ------------------------===//
|
|
//
|
|
// 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 "llvm/ADT/DAGDeltaAlgorithm.h"
|
|
#include <algorithm>
|
|
#include <cstdarg>
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
typedef DAGDeltaAlgorithm::edge_ty edge_ty;
|
|
|
|
class FixedDAGDeltaAlgorithm : public DAGDeltaAlgorithm {
|
|
changeset_ty FailingSet;
|
|
unsigned NumTests;
|
|
|
|
protected:
|
|
virtual bool ExecuteOneTest(const changeset_ty &Changes) {
|
|
++NumTests;
|
|
return std::includes(Changes.begin(), Changes.end(),
|
|
FailingSet.begin(), FailingSet.end());
|
|
}
|
|
|
|
public:
|
|
FixedDAGDeltaAlgorithm(const changeset_ty &_FailingSet)
|
|
: FailingSet(_FailingSet),
|
|
NumTests(0) {}
|
|
|
|
unsigned getNumTests() const { return NumTests; }
|
|
};
|
|
|
|
std::set<unsigned> fixed_set(unsigned N, ...) {
|
|
std::set<unsigned> S;
|
|
va_list ap;
|
|
va_start(ap, N);
|
|
for (unsigned i = 0; i != N; ++i)
|
|
S.insert(va_arg(ap, unsigned));
|
|
va_end(ap);
|
|
return S;
|
|
}
|
|
|
|
std::set<unsigned> range(unsigned Start, unsigned End) {
|
|
std::set<unsigned> S;
|
|
while (Start != End)
|
|
S.insert(Start++);
|
|
return S;
|
|
}
|
|
|
|
std::set<unsigned> range(unsigned N) {
|
|
return range(0, N);
|
|
}
|
|
|
|
TEST(DAGDeltaAlgorithmTest, Basic) {
|
|
std::vector<edge_ty> Deps;
|
|
|
|
// Dependencies:
|
|
// 1 - 3
|
|
Deps.clear();
|
|
Deps.push_back(std::make_pair(3, 1));
|
|
|
|
// P = {3,5,7} \in S,
|
|
// [0, 20),
|
|
// should minimize to {1,3,5,7} in a reasonable number of tests.
|
|
FixedDAGDeltaAlgorithm FDA(fixed_set(3, 3, 5, 7));
|
|
EXPECT_EQ(fixed_set(4, 1, 3, 5, 7), FDA.Run(range(20), Deps));
|
|
EXPECT_GE(46U, FDA.getNumTests());
|
|
|
|
// Dependencies:
|
|
// 0 - 1
|
|
// \- 2 - 3
|
|
// \- 4
|
|
Deps.clear();
|
|
Deps.push_back(std::make_pair(1, 0));
|
|
Deps.push_back(std::make_pair(2, 0));
|
|
Deps.push_back(std::make_pair(4, 0));
|
|
Deps.push_back(std::make_pair(3, 2));
|
|
|
|
// This is a case where we must hold required changes.
|
|
//
|
|
// P = {1,3} \in S,
|
|
// [0, 5),
|
|
// should minimize to {0,1,2,3} in a small number of tests.
|
|
FixedDAGDeltaAlgorithm FDA2(fixed_set(2, 1, 3));
|
|
EXPECT_EQ(fixed_set(4, 0, 1, 2, 3), FDA2.Run(range(5), Deps));
|
|
EXPECT_GE(9U, FDA2.getNumTests());
|
|
|
|
// This is a case where we should quickly prune part of the tree.
|
|
//
|
|
// P = {4} \in S,
|
|
// [0, 5),
|
|
// should minimize to {0,4} in a small number of tests.
|
|
FixedDAGDeltaAlgorithm FDA3(fixed_set(1, 4));
|
|
EXPECT_EQ(fixed_set(2, 0, 4), FDA3.Run(range(5), Deps));
|
|
EXPECT_GE(6U, FDA3.getNumTests());
|
|
}
|
|
|
|
}
|
|
|