92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
// Copyright 2021 The Tint Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include <string>
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include "fuzzers/tint_regex_fuzzer/wgsl_mutator.h"
|
|
|
|
namespace tint {
|
|
namespace fuzzers {
|
|
namespace regex_fuzzer {
|
|
namespace {
|
|
|
|
// Swaps two non-consecutive regions in the edge
|
|
TEST(SwapRegionsTest, SwapIntervalsEdgeNonConsecutive) {
|
|
std::string R1 = "|region1|", R2 = "; region2;",
|
|
R3 = "---------region3---------";
|
|
std::string all_regions = R1 + R2 + R3;
|
|
|
|
// this call should swap R1 with R3.
|
|
SwapIntervals(0, R1.length() - 1, R1.length() + R2.length(),
|
|
all_regions.length() - 1, &all_regions);
|
|
|
|
ASSERT_EQ(R3 + R2 + R1, all_regions);
|
|
}
|
|
|
|
// Swaps two non-consecutive regions not in the edge
|
|
TEST(SwapRegionsTest, SwapIntervalsNonConsecutiveNonEdge) {
|
|
std::string R1 = "|region1|", R2 = "; region2;",
|
|
R3 = "---------region3---------", R4 = "++region4++",
|
|
R5 = "***region5***";
|
|
std::string all_regions = R1 + R2 + R3 + R4 + R5;
|
|
|
|
// this call should swap R2 with R4.
|
|
SwapIntervals(R1.length(), R1.length() + R2.length() - 1,
|
|
R1.length() + R2.length() + R3.length(),
|
|
R1.length() + R2.length() + R3.length() + R4.length() - 1,
|
|
&all_regions);
|
|
|
|
ASSERT_EQ(R1 + R4 + R3 + R2 + R5, all_regions);
|
|
}
|
|
|
|
// Swaps two consecutive regions not in the edge (sorrounded by other regions)
|
|
TEST(SwapRegionsTest, SwapIntervalsConsecutiveEdge) {
|
|
std::string R1 = "|region1|", R2 = "; region2;", R3 = "++++region3++++",
|
|
R4 = "---------region4---------";
|
|
std::string all_regions = R1 + R2 + R3 + R4;
|
|
|
|
// this call should swap R2 with R3.
|
|
SwapIntervals(R1.length(), R1.length() + R2.length() - 1,
|
|
R1.length() + R2.length(),
|
|
R1.length() + R2.length() + R3.length() - 1, &all_regions);
|
|
|
|
ASSERT_EQ(R1 + R3 + R2 + R4, all_regions);
|
|
}
|
|
|
|
// Swaps two consecutive regions not in the edge (not sorrounded by other
|
|
// regions)
|
|
TEST(SwapRegionsTest, SwapIntervalsConsecutiveNonEdge) {
|
|
std::string R1 = "|region1|", R2 = "; region2;",
|
|
R3 = "---------region3---------", R4 = "++region4++",
|
|
R5 = "***region5***";
|
|
std::string all_regions = R1 + R2 + R3 + R4 + R5;
|
|
|
|
// this call should swap R4 with R5.
|
|
SwapIntervals(
|
|
R1.length() + R2.length() + R3.length(),
|
|
R1.length() + R2.length() + R3.length() + R4.length() - 1,
|
|
R1.length() + R2.length() + R3.length() + R4.length(),
|
|
R1.length() + R2.length() + R3.length() + R4.length() + R5.length() - 1,
|
|
&all_regions);
|
|
|
|
ASSERT_EQ(R1 + R2 + R3 + R5 + R4, all_regions);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace regex_fuzzer
|
|
} // namespace fuzzers
|
|
} // namespace tint
|