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// Copyright 2020 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/ast/array.h"
#include "src/tint/ast/test_helper.h"
using namespace tint::number_suffixes; // NOLINT
namespace tint::ast {
namespace {
using AstArrayTest = TestHelper;
TEST_F(AstArrayTest, CreateSizedArray) {
auto* u32 = create<U32>();
auto* count = Expr(3_u);
auto* arr = create<Array>(u32, count, utils::Empty);
EXPECT_EQ(arr->type, u32);
EXPECT_EQ(arr->count, count);
EXPECT_TRUE(arr->Is<Array>());
EXPECT_FALSE(arr->IsRuntimeArray());
}
TEST_F(AstArrayTest, CreateRuntimeArray) {
auto* u32 = create<U32>();
auto* arr = create<Array>(u32, nullptr, utils::Empty);
EXPECT_EQ(arr->type, u32);
EXPECT_EQ(arr->count, nullptr);
EXPECT_TRUE(arr->Is<Array>());
EXPECT_TRUE(arr->IsRuntimeArray());
}
TEST_F(AstArrayTest, CreateInferredTypeArray) {
auto* arr = create<Array>(nullptr, nullptr, utils::Empty);
EXPECT_EQ(arr->type, nullptr);
EXPECT_EQ(arr->count, nullptr);
EXPECT_TRUE(arr->Is<Array>());
EXPECT_FALSE(arr->IsRuntimeArray());
}
TEST_F(AstArrayTest, FriendlyName_RuntimeSized) {
auto* i32 = create<I32>();
auto* arr = create<Array>(i32, nullptr, utils::Empty);
EXPECT_EQ(arr->FriendlyName(Symbols()), "array<i32>");
}
TEST_F(AstArrayTest, FriendlyName_LiteralSized) {
auto* i32 = create<I32>();
auto* arr = create<Array>(i32, Expr(5_u), utils::Empty);
EXPECT_EQ(arr->FriendlyName(Symbols()), "array<i32, 5>");
}
TEST_F(AstArrayTest, FriendlyName_ConstantSized) {
auto* i32 = create<I32>();
auto* arr = create<Array>(i32, Expr("size"), utils::Empty);
EXPECT_EQ(arr->FriendlyName(Symbols()), "array<i32, size>");
}
TEST_F(AstArrayTest, FriendlyName_WithStride) {
auto* i32 = create<I32>();
auto* arr = create<Array>(i32, Expr(5_u), utils::Vector{create<StrideAttribute>(32u)});
EXPECT_EQ(arr->FriendlyName(Symbols()), "@stride(32) array<i32, 5>");
}
TEST_F(AstArrayTest, FriendlyName_InferredTypeAndCount) {
auto* arr = create<Array>(nullptr, nullptr, utils::Empty);
EXPECT_EQ(arr->FriendlyName(Symbols()), "array");
}
TEST_F(AstArrayTest, FriendlyName_InferredTypeAndCount_WithStrize) {
auto* arr = create<Array>(nullptr, nullptr, utils::Vector{create<StrideAttribute>(32u)});
EXPECT_EQ(arr->FriendlyName(Symbols()), "@stride(32) array");
}
} // namespace
} // namespace tint::ast