2020-03-16 13:39:44 +00:00
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// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/ast/if_statement.h"
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#include "gtest/gtest.h"
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#include "src/ast/identifier_expression.h"
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#include "src/ast/kill_statement.h"
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#include "src/ast/nop_statement.h"
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namespace tint {
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namespace ast {
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2020-03-26 15:31:43 +00:00
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namespace {
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2020-03-16 13:39:44 +00:00
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using IfStatementTest = testing::Test;
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TEST_F(IfStatementTest, Creation) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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auto cond_ptr = cond.get();
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auto stmt_ptr = body[0].get();
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IfStatement stmt(std::move(cond), std::move(body));
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EXPECT_EQ(stmt.condition(), cond_ptr);
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ASSERT_EQ(stmt.body().size(), 1);
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EXPECT_EQ(stmt.body()[0].get(), stmt_ptr);
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}
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TEST_F(IfStatementTest, Creation_WithSource) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(Source{20, 2}, std::move(cond), std::move(body));
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auto src = stmt.source();
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EXPECT_EQ(src.line, 20);
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EXPECT_EQ(src.column, 2);
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}
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TEST_F(IfStatementTest, IsIf) {
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IfStatement stmt;
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EXPECT_TRUE(stmt.IsIf());
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}
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TEST_F(IfStatementTest, IsValid) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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EXPECT_TRUE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_WithElseStatements) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts[0]->set_condition(std::make_unique<IdentifierExpression>("Ident"));
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else_stmts.push_back(std::make_unique<ElseStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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EXPECT_TRUE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_WithPremerge) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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std::vector<std::unique_ptr<Statement>> premerge;
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premerge.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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stmt.set_premerge(std::move(premerge));
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EXPECT_TRUE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_MissingCondition) {
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(nullptr, std::move(body));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_InvalidCondition) {
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auto cond = std::make_unique<IdentifierExpression>("");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_NullBodyStatement) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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body.push_back(nullptr);
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IfStatement stmt(std::move(cond), std::move(body));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_InvalidBodyStatement) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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body.push_back(std::make_unique<IfStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_NullElseStatement) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts[0]->set_condition(std::make_unique<IdentifierExpression>("Ident"));
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts.push_back(nullptr);
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_InvalidElseStatement) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts[0]->set_condition(std::make_unique<IdentifierExpression>(""));
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_NullPremergeStatement) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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std::vector<std::unique_ptr<Statement>> premerge;
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premerge.push_back(std::make_unique<NopStatement>());
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premerge.push_back(nullptr);
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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stmt.set_premerge(std::move(premerge));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_InvalidPremergeStatement) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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std::vector<std::unique_ptr<Statement>> premerge;
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premerge.push_back(std::make_unique<IfStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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stmt.set_premerge(std::move(premerge));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_PremergeWithElseIf) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts[0]->set_condition(std::make_unique<IdentifierExpression>("ident"));
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std::vector<std::unique_ptr<Statement>> premerge;
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premerge.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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stmt.set_premerge(std::move(premerge));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_PremergeWithoutElse) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<Statement>> premerge;
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premerge.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_premerge(std::move(premerge));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_MultipleElseWiththoutCondition) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts.push_back(std::make_unique<ElseStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, IsValid_ElseNotLast) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts[1]->set_condition(std::make_unique<IdentifierExpression>("ident"));
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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EXPECT_FALSE(stmt.IsValid());
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}
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TEST_F(IfStatementTest, ToStr) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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std::ostringstream out;
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stmt.to_str(out, 2);
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EXPECT_EQ(out.str(), R"( If{
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(
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Identifier{cond}
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)
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{
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Nop{}
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}
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}
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)");
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}
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TEST_F(IfStatementTest, ToStr_WithElseStatements) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<Statement>> else_if_body;
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else_if_body.push_back(std::make_unique<KillStatement>());
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std::vector<std::unique_ptr<Statement>> else_body;
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else_body.push_back(std::make_unique<NopStatement>());
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else_body.push_back(std::make_unique<KillStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts[0]->set_condition(std::make_unique<IdentifierExpression>("ident"));
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else_stmts[0]->set_body(std::move(else_if_body));
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else_stmts.push_back(std::make_unique<ElseStatement>());
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else_stmts[1]->set_body(std::move(else_body));
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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std::ostringstream out;
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stmt.to_str(out, 2);
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EXPECT_EQ(out.str(), R"( If{
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(
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Identifier{cond}
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)
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{
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Nop{}
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}
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}
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Else{
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(
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Identifier{ident}
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)
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{
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Kill{}
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}
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}
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Else{
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{
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Nop{}
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Kill{}
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}
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}
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)");
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}
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TEST_F(IfStatementTest, ToStr_WithPremerge) {
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auto cond = std::make_unique<IdentifierExpression>("cond");
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std::vector<std::unique_ptr<Statement>> body;
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body.push_back(std::make_unique<NopStatement>());
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std::vector<std::unique_ptr<ElseStatement>> else_stmts;
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else_stmts.push_back(std::make_unique<ElseStatement>());
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std::vector<std::unique_ptr<Statement>> premerge;
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premerge.push_back(std::make_unique<NopStatement>());
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IfStatement stmt(std::move(cond), std::move(body));
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stmt.set_else_statements(std::move(else_stmts));
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|
|
|
stmt.set_premerge(std::move(premerge));
|
|
|
|
|
|
|
|
std::ostringstream out;
|
|
|
|
stmt.to_str(out, 2);
|
|
|
|
EXPECT_EQ(out.str(), R"( If{
|
|
|
|
(
|
|
|
|
Identifier{cond}
|
|
|
|
)
|
|
|
|
{
|
|
|
|
Nop{}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Else{
|
|
|
|
{
|
|
|
|
}
|
|
|
|
}
|
|
|
|
premerge{
|
|
|
|
Nop{}
|
|
|
|
}
|
|
|
|
)");
|
|
|
|
}
|
|
|
|
|
2020-03-26 15:31:43 +00:00
|
|
|
} // namespace
|
2020-03-16 13:39:44 +00:00
|
|
|
} // namespace ast
|
|
|
|
} // namespace tint
|