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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/reader/wgsl/parser_impl_test_helper.h"
namespace tint {
namespace reader {
namespace wgsl {
namespace {
TEST_F(ParserImplTest, ConstLiteral_Int) {
auto p = parser("-234");
auto c = p->const_literal();
EXPECT_TRUE(c.matched);
EXPECT_FALSE(c.errored);
EXPECT_FALSE(p->has_error());
ASSERT_NE(c.value, nullptr);
ASSERT_TRUE(c->Is<ast::SintLiteral>());
EXPECT_EQ(c->As<ast::SintLiteral>()->value(), -234);
EXPECT_EQ(c->source().range, (Source::Range{{1u, 1u}, {1u, 5u}}));
}
TEST_F(ParserImplTest, ConstLiteral_Uint) {
auto p = parser("234u");
auto c = p->const_literal();
EXPECT_TRUE(c.matched);
EXPECT_FALSE(c.errored);
EXPECT_FALSE(p->has_error());
ASSERT_NE(c.value, nullptr);
ASSERT_TRUE(c->Is<ast::UintLiteral>());
EXPECT_EQ(c->As<ast::UintLiteral>()->value(), 234u);
EXPECT_EQ(c->source().range, (Source::Range{{1u, 1u}, {1u, 5u}}));
}
TEST_F(ParserImplTest, ConstLiteral_Float) {
auto p = parser("234.e12");
auto c = p->const_literal();
EXPECT_TRUE(c.matched);
EXPECT_FALSE(c.errored);
EXPECT_FALSE(p->has_error());
ASSERT_NE(c.value, nullptr);
ASSERT_TRUE(c->Is<ast::FloatLiteral>());
EXPECT_FLOAT_EQ(c->As<ast::FloatLiteral>()->value(), 234e12f);
EXPECT_EQ(c->source().range, (Source::Range{{1u, 1u}, {1u, 8u}}));
}
TEST_F(ParserImplTest, ConstLiteral_InvalidFloat) {
auto p = parser("1.2e+256");
auto c = p->const_literal();
EXPECT_FALSE(c.matched);
EXPECT_FALSE(c.errored);
ASSERT_EQ(c.value, nullptr);
}
TEST_F(ParserImplTest, ConstLiteral_True) {
auto p = parser("true");
auto c = p->const_literal();
EXPECT_TRUE(c.matched);
EXPECT_FALSE(c.errored);
EXPECT_FALSE(p->has_error());
ASSERT_NE(c.value, nullptr);
ASSERT_TRUE(c->Is<ast::BoolLiteral>());
EXPECT_TRUE(c->As<ast::BoolLiteral>()->IsTrue());
EXPECT_EQ(c->source().range, (Source::Range{{1u, 1u}, {1u, 5u}}));
}
TEST_F(ParserImplTest, ConstLiteral_False) {
auto p = parser("false");
auto c = p->const_literal();
EXPECT_TRUE(c.matched);
EXPECT_FALSE(c.errored);
EXPECT_FALSE(p->has_error());
ASSERT_NE(c.value, nullptr);
ASSERT_TRUE(c->Is<ast::BoolLiteral>());
EXPECT_TRUE(c->As<ast::BoolLiteral>()->IsFalse());
EXPECT_EQ(c->source().range, (Source::Range{{1u, 1u}, {1u, 6u}}));
}
TEST_F(ParserImplTest, ConstLiteral_NoMatch) {
auto p = parser("another-token");
auto c = p->const_literal();
EXPECT_FALSE(c.matched);
EXPECT_FALSE(c.errored);
EXPECT_FALSE(p->has_error());
ASSERT_EQ(c.value, nullptr);
}
} // namespace
} // namespace wgsl
} // namespace reader
} // namespace tint