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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 "gtest/gtest-spi.h"
#include "src/ast/discard_statement.h"
#include "src/ast/if_statement.h"
#include "src/ast/test_helper.h"
namespace tint {
namespace ast {
namespace {
using ElseStatementTest = TestHelper;
TEST_F(ElseStatementTest, Creation) {
auto* cond = Expr(true);
auto* body = create<BlockStatement>(StatementList{
create<DiscardStatement>(),
});
auto* discard = body->get(0);
auto* e = create<ElseStatement>(cond, body);
EXPECT_EQ(e->condition(), cond);
ASSERT_EQ(e->body()->size(), 1u);
EXPECT_EQ(e->body()->get(0), discard);
}
TEST_F(ElseStatementTest, Creation_WithSource) {
auto* e = create<ElseStatement>(Source{Source::Location{20, 2}}, Expr(true),
Block());
auto src = e->source();
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(ElseStatementTest, IsElse) {
auto* e = create<ElseStatement>(nullptr, Block());
EXPECT_TRUE(e->Is<ElseStatement>());
}
TEST_F(ElseStatementTest, HasCondition) {
auto* cond = Expr(true);
auto* e = create<ElseStatement>(cond, Block());
EXPECT_TRUE(e->HasCondition());
}
TEST_F(ElseStatementTest, HasContition_NullCondition) {
auto* e = create<ElseStatement>(nullptr, Block());
EXPECT_FALSE(e->HasCondition());
}
TEST_F(ElseStatementTest, Assert_Null_Body) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b;
b.create<ElseStatement>(b.Expr(true), nullptr);
},
"internal compiler error");
}
TEST_F(ElseStatementTest, Assert_DifferentProgramID_Condition) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<ElseStatement>(b2.Expr(true), b1.Block());
},
"internal compiler error");
}
TEST_F(ElseStatementTest, Assert_DifferentProgramID_Body) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<ElseStatement>(b1.Expr(true), b2.Block());
},
"internal compiler error");
}
TEST_F(ElseStatementTest, ToStr) {
auto* cond = Expr(true);
auto* body = create<BlockStatement>(StatementList{
create<DiscardStatement>(),
});
auto* e = create<ElseStatement>(cond, body);
EXPECT_EQ(str(e), R"(Else{
(
ScalarConstructor[not set]{true}
)
{
Discard{}
}
}
)");
}
TEST_F(ElseStatementTest, ToStr_NoCondition) {
auto* body = create<BlockStatement>(StatementList{
create<DiscardStatement>(),
});
auto* e = create<ElseStatement>(nullptr, body);
EXPECT_EQ(str(e), R"(Else{
{
Discard{}
}
}
)");
}
} // namespace
} // namespace ast
} // namespace tint