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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/symbol_table.h"
#include "gtest/gtest-spi.h"
namespace tint {
namespace {
using SymbolTableTest = testing::Test;
TEST_F(SymbolTableTest, GeneratesSymbolForName) {
auto program_id = ProgramID::New();
SymbolTable s{program_id};
EXPECT_EQ(Symbol(1, program_id), s.Register("name"));
EXPECT_EQ(Symbol(2, program_id), s.Register("another_name"));
}
TEST_F(SymbolTableTest, DeduplicatesNames) {
auto program_id = ProgramID::New();
SymbolTable s{program_id};
EXPECT_EQ(Symbol(1, program_id), s.Register("name"));
EXPECT_EQ(Symbol(2, program_id), s.Register("another_name"));
EXPECT_EQ(Symbol(1, program_id), s.Register("name"));
}
TEST_F(SymbolTableTest, ReturnsNameForSymbol) {
auto program_id = ProgramID::New();
SymbolTable s{program_id};
auto sym = s.Register("name");
EXPECT_EQ("name", s.NameFor(sym));
}
TEST_F(SymbolTableTest, ReturnsBlankForMissingSymbol) {
auto program_id = ProgramID::New();
SymbolTable s{program_id};
EXPECT_EQ("$2", s.NameFor(Symbol(2, program_id)));
}
TEST_F(SymbolTableTest, AssertsForBlankString) {
EXPECT_FATAL_FAILURE(
{
auto program_id = ProgramID::New();
SymbolTable s{program_id};
s.Register("");
},
"internal compiler error");
}
} // namespace
} // namespace tint