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// Copyright 2022 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 "src/tint/type/sampler.h"
#include "src/tint/type/test_helper.h"
#include "src/tint/type/texture.h"
namespace tint::type {
namespace {
using SamplerTest = TestHelper;
TEST_F(SamplerTest, Creation) {
auto* a = create<Sampler>(ast::SamplerKind::kSampler);
auto* b = create<Sampler>(ast::SamplerKind::kSampler);
auto* c = create<Sampler>(ast::SamplerKind::kComparisonSampler);
EXPECT_EQ(a->kind(), ast::SamplerKind::kSampler);
EXPECT_EQ(c->kind(), ast::SamplerKind::kComparisonSampler);
EXPECT_FALSE(a->IsComparison());
EXPECT_TRUE(c->IsComparison());
EXPECT_EQ(a, b);
EXPECT_NE(a, c);
}
TEST_F(SamplerTest, Hash) {
auto* a = create<Sampler>(ast::SamplerKind::kSampler);
auto* b = create<Sampler>(ast::SamplerKind::kSampler);
EXPECT_EQ(a->unique_hash, b->unique_hash);
}
TEST_F(SamplerTest, Equals) {
auto* a = create<Sampler>(ast::SamplerKind::kSampler);
auto* b = create<Sampler>(ast::SamplerKind::kSampler);
auto* c = create<Sampler>(ast::SamplerKind::kComparisonSampler);
EXPECT_TRUE(a->Equals(*b));
EXPECT_FALSE(a->Equals(*c));
EXPECT_FALSE(a->Equals(Void{}));
}
TEST_F(SamplerTest, FriendlyNameSampler) {
Sampler s{ast::SamplerKind::kSampler};
EXPECT_EQ(s.FriendlyName(Symbols()), "sampler");
}
TEST_F(SamplerTest, FriendlyNameComparisonSampler) {
Sampler s{ast::SamplerKind::kComparisonSampler};
EXPECT_EQ(s.FriendlyName(Symbols()), "sampler_comparison");
}
} // namespace
} // namespace tint::type