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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 "gmock/gmock.h"
#include "gtest/gtest-spi.h"
#include "src/tint/lang/wgsl/ast/binary_expression.h"
#include "src/tint/lang/wgsl/ast/helper_test.h"
using namespace tint::core::number_suffixes; // NOLINT
namespace tint::ast {
namespace {
using WhileStatementTest = TestHelper;
TEST_F(WhileStatementTest, Creation) {
auto* cond = create<BinaryExpression>(core::BinaryOp::kLessThan, Expr("i"), Expr(5_u));
auto* body = Block(Return());
auto* l = While(cond, body);
EXPECT_EQ(l->condition, cond);
EXPECT_EQ(l->body, body);
}
TEST_F(WhileStatementTest, Creation_WithSource) {
auto* cond = create<BinaryExpression>(core::BinaryOp::kLessThan, Expr("i"), Expr(5_u));
auto* body = Block(Return());
auto* l = While(Source{{20u, 2u}}, cond, body);
auto src = l->source;
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(WhileStatementTest, Creation_WithAttributes) {
auto* attr1 = DiagnosticAttribute(wgsl::DiagnosticSeverity::kOff, "foo");
auto* attr2 = DiagnosticAttribute(wgsl::DiagnosticSeverity::kOff, "bar");
auto* cond = create<BinaryExpression>(core::BinaryOp::kLessThan, Expr("i"), Expr(5_u));
auto* body = Block(Return());
auto* l = While(cond, body, tint::Vector{attr1, attr2});
EXPECT_THAT(l->attributes, testing::ElementsAre(attr1, attr2));
}
TEST_F(WhileStatementTest, Assert_Null_Cond) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b;
auto* body = b.Block();
b.While(nullptr, body);
},
"internal compiler error");
}
TEST_F(WhileStatementTest, Assert_Null_Body) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b;
auto* cond =
b.create<BinaryExpression>(core::BinaryOp::kLessThan, b.Expr("i"), b.Expr(5_u));
b.While(cond, nullptr);
},
"internal compiler error");
}
TEST_F(WhileStatementTest, Assert_DifferentGenerationID_Condition) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.While(b2.Expr(true), b1.Block());
},
"internal compiler error");
}
TEST_F(WhileStatementTest, Assert_DifferentGenerationID_Body) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.While(b1.Expr(true), b2.Block());
},
"internal compiler error");
}
} // namespace
} // namespace tint::ast