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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/ast/module.h"
#include <sstream>
#include <utility>
#include "gmock/gmock.h"
#include "src/ast/entry_point.h"
#include "src/ast/function.h"
#include "src/ast/import.h"
#include "src/ast/type/f32_type.h"
#include "src/ast/variable.h"
namespace tint {
namespace ast {
namespace {
using ModuleTest = testing::Test;
TEST_F(ModuleTest, Creation) {
Module m;
EXPECT_EQ(m.imports().size(), 0u);
}
TEST_F(ModuleTest, ToStrEmitsPreambleAndPostamble) {
Module m;
const auto str = m.to_str();
auto* const expected = "Module{\n}\n";
EXPECT_EQ(str, expected);
}
TEST_F(ModuleTest, Imports) {
Module m;
m.AddImport(std::make_unique<Import>("GLSL.std.430", "std::glsl"));
m.AddImport(std::make_unique<Import>("OpenCL.debug.100", "std::debug"));
EXPECT_EQ(2u, m.imports().size());
EXPECT_EQ("std::glsl", m.imports()[0]->name());
}
TEST_F(ModuleTest, ToStrWithImport) {
Module m;
m.AddImport(std::make_unique<Import>("GLSL.std.430", "std::glsl"));
const auto str = m.to_str();
EXPECT_EQ(str, R"(Module{
Import{"GLSL.std.430" as std::glsl}
}
)");
}
TEST_F(ModuleTest, LookupImport) {
Module m;
auto i = std::make_unique<Import>("GLSL.std.430", "std::glsl");
m.AddImport(std::move(i));
m.AddImport(std::make_unique<Import>("OpenCL.debug.100", "std::debug"));
auto* import = m.FindImportByName("std::glsl");
ASSERT_NE(nullptr, import);
EXPECT_EQ(import->path(), "GLSL.std.430");
EXPECT_EQ(import->name(), "std::glsl");
}
TEST_F(ModuleTest, LookupImportMissing) {
Module m;
EXPECT_EQ(nullptr, m.FindImportByName("Missing"));
}
TEST_F(ModuleTest, LookupFunction) {
type::F32Type f32;
Module m;
auto func = std::make_unique<Function>("main", VariableList{}, &f32);
auto* func_ptr = func.get();
m.AddFunction(std::move(func));
EXPECT_EQ(func_ptr, m.FindFunctionByName("main"));
}
TEST_F(ModuleTest, IsEntryPoint) {
type::F32Type f32;
Module m;
auto func = std::make_unique<Function>("other_func", VariableList{}, &f32);
m.AddFunction(std::move(func));
m.AddEntryPoint(
std::make_unique<EntryPoint>(PipelineStage::kVertex, "main", "vtx_main"));
EXPECT_TRUE(m.IsFunctionEntryPoint("vtx_main"));
EXPECT_FALSE(m.IsFunctionEntryPoint("other_func"));
}
TEST_F(ModuleTest, LookupFunctionMissing) {
Module m;
EXPECT_EQ(nullptr, m.FindFunctionByName("Missing"));
}
TEST_F(ModuleTest, IsValid_Empty) {
Module m;
EXPECT_TRUE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Import) {
Module m;
m.AddImport(std::make_unique<Import>("GLSL.std.430", "std::glsl"));
EXPECT_TRUE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Null_Import) {
Module m;
m.AddImport(nullptr);
EXPECT_FALSE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Invalid_Import) {
Module m;
m.AddImport(std::make_unique<Import>());
EXPECT_FALSE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_GlobalVariable) {
type::F32Type f32;
auto var = std::make_unique<Variable>("var", StorageClass::kInput, &f32);
Module m;
m.AddGlobalVariable(std::move(var));
EXPECT_TRUE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Null_GlobalVariable) {
Module m;
m.AddGlobalVariable(nullptr);
EXPECT_FALSE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Invalid_GlobalVariable) {
auto var = std::make_unique<Variable>("var", StorageClass::kInput, nullptr);
Module m;
m.AddGlobalVariable(std::move(var));
EXPECT_FALSE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_EntryPoint) {
Module m;
m.AddEntryPoint(
std::make_unique<EntryPoint>(PipelineStage::kVertex, "main", "vtx_main"));
EXPECT_TRUE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Null_EntryPoint) {
Module m;
m.AddEntryPoint(nullptr);
EXPECT_FALSE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Invalid_EntryPoint) {
Module m;
m.AddEntryPoint(std::make_unique<EntryPoint>());
EXPECT_FALSE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Alias) {
type::F32Type f32;
type::AliasType alias("alias", &f32);
Module m;
m.AddAliasType(&alias);
EXPECT_TRUE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Null_Alias) {
Module m;
m.AddAliasType(nullptr);
EXPECT_FALSE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Function) {
type::F32Type f32;
auto func = std::make_unique<Function>("main", VariableList(), &f32);
Module m;
m.AddFunction(std::move(func));
EXPECT_TRUE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Null_Function) {
Module m;
m.AddFunction(nullptr);
EXPECT_FALSE(m.IsValid());
}
TEST_F(ModuleTest, IsValid_Invalid_Function) {
auto func = std::make_unique<Function>();
Module m;
m.AddFunction(std::move(func));
EXPECT_FALSE(m.IsValid());
}
} // namespace
} // namespace ast
} // namespace tint