blob: a0e86a0ceebefbea33ef87eb45ef4410c5221d93 [file] [log] [blame]
// 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.h"
#include "src/ast/else_statement.h"
#include "src/reader/wgsl/parser_impl.h"
#include "src/reader/wgsl/parser_impl_test_helper.h"
namespace tint {
namespace reader {
namespace wgsl {
namespace {
TEST_F(ParserImplTest, ElseStmt) {
auto p = parser("else { a = b; c = d; }");
auto e = p->else_stmt();
EXPECT_TRUE(e.matched);
EXPECT_FALSE(e.errored);
EXPECT_FALSE(p->has_error()) << p->error();
ASSERT_NE(e.value, nullptr);
ASSERT_TRUE(e->Is<ast::ElseStatement>());
ASSERT_EQ(e->condition(), nullptr);
EXPECT_EQ(e->body()->size(), 2u);
}
TEST_F(ParserImplTest, ElseStmt_InvalidBody) {
auto p = parser("else { fn main() -> void {}}");
auto e = p->else_stmt();
EXPECT_FALSE(e.matched);
EXPECT_TRUE(e.errored);
EXPECT_EQ(e.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:8: expected '}'");
}
TEST_F(ParserImplTest, ElseStmt_MissingBody) {
auto p = parser("else");
auto e = p->else_stmt();
EXPECT_FALSE(e.matched);
EXPECT_TRUE(e.errored);
EXPECT_EQ(e.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:5: expected '{'");
}
} // namespace
} // namespace wgsl
} // namespace reader
} // namespace tint