mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 08:20:12 +01:00
Jeremy G. Siek
34f1a03f7b
* change all expression and statement pointers to be const * const in paren tests
114 lines
4.1 KiB
C++
114 lines
4.1 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#include "executable_semantics/syntax/paren_contents.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace Carbon {
|
|
namespace {
|
|
|
|
TEST(ParenContentsTest, EmptyAsExpression) {
|
|
ParenContents contents;
|
|
const Expression* expression = contents.AsExpression(/*line_num=*/1);
|
|
EXPECT_EQ(expression->line_num, 1);
|
|
ASSERT_EQ(expression->tag, ExpressionKind::Tuple);
|
|
EXPECT_EQ(expression->u.tuple.fields->size(), 0);
|
|
}
|
|
|
|
TEST(ParenContentsTest, EmptyAsTuple) {
|
|
ParenContents contents;
|
|
const Expression* tuple = contents.AsTuple(/*line_num=*/1);
|
|
EXPECT_EQ(tuple->line_num, 1);
|
|
ASSERT_EQ(tuple->tag, ExpressionKind::Tuple);
|
|
EXPECT_EQ(tuple->u.tuple.fields->size(), 0);
|
|
}
|
|
|
|
TEST(ParenContentsTest, UnaryNoCommaAsExpression) {
|
|
// Equivalent to a code fragment like
|
|
// ```
|
|
// (
|
|
// 42
|
|
// )
|
|
// ```
|
|
ParenContents contents({{.expression = MakeInt(/*line_num=*/2, 42)}},
|
|
ParenContents::HasTrailingComma::No);
|
|
|
|
const Expression* expression = contents.AsExpression(/*line_num=*/1);
|
|
EXPECT_EQ(expression->line_num, 2);
|
|
ASSERT_EQ(expression->tag, ExpressionKind::Integer);
|
|
}
|
|
|
|
TEST(ParenContentsTest, UnaryNoCommaAsTuple) {
|
|
ParenContents contents({{.expression = MakeInt(/*line_num=*/2, 42)}},
|
|
ParenContents::HasTrailingComma::No);
|
|
|
|
const Expression* tuple = contents.AsTuple(/*line_num=*/1);
|
|
EXPECT_EQ(tuple->line_num, 1);
|
|
ASSERT_EQ(tuple->tag, ExpressionKind::Tuple);
|
|
std::vector<std::pair<std::string, const Expression*>> fields =
|
|
*tuple->u.tuple.fields;
|
|
ASSERT_EQ(fields.size(), 1);
|
|
EXPECT_EQ(fields[0].second->tag, ExpressionKind::Integer);
|
|
}
|
|
|
|
TEST(ParenContentsTest, UnaryWithCommaAsExpression) {
|
|
ParenContents contents({{.expression = MakeInt(/*line_num=*/2, 42)}},
|
|
ParenContents::HasTrailingComma::Yes);
|
|
|
|
const Expression* expression = contents.AsExpression(/*line_num=*/1);
|
|
EXPECT_EQ(expression->line_num, 1);
|
|
ASSERT_EQ(expression->tag, ExpressionKind::Tuple);
|
|
std::vector<std::pair<std::string, const Expression*>> fields =
|
|
*expression->u.tuple.fields;
|
|
ASSERT_EQ(fields.size(), 1);
|
|
EXPECT_EQ(fields[0].second->tag, ExpressionKind::Integer);
|
|
}
|
|
|
|
TEST(ParenContentsTest, UnaryWithCommaAsTuple) {
|
|
ParenContents contents({{.expression = MakeInt(/*line_num=*/2, 42)}},
|
|
ParenContents::HasTrailingComma::Yes);
|
|
|
|
const Expression* tuple = contents.AsTuple(/*line_num=*/1);
|
|
EXPECT_EQ(tuple->line_num, 1);
|
|
ASSERT_EQ(tuple->tag, ExpressionKind::Tuple);
|
|
std::vector<std::pair<std::string, const Expression*>> fields =
|
|
*tuple->u.tuple.fields;
|
|
ASSERT_EQ(fields.size(), 1);
|
|
EXPECT_EQ(fields[0].second->tag, ExpressionKind::Integer);
|
|
}
|
|
|
|
TEST(ParenContentsTest, BinaryAsExpression) {
|
|
ParenContents contents({{.expression = MakeInt(/*line_num=*/2, 42)},
|
|
{.expression = MakeInt(/*line_num=*/3, 42)}},
|
|
ParenContents::HasTrailingComma::Yes);
|
|
|
|
const Expression* expression = contents.AsExpression(/*line_num=*/1);
|
|
EXPECT_EQ(expression->line_num, 1);
|
|
ASSERT_EQ(expression->tag, ExpressionKind::Tuple);
|
|
std::vector<std::pair<std::string, const Expression*>> fields =
|
|
*expression->u.tuple.fields;
|
|
ASSERT_EQ(fields.size(), 2);
|
|
EXPECT_EQ(fields[0].second->tag, ExpressionKind::Integer);
|
|
EXPECT_EQ(fields[1].second->tag, ExpressionKind::Integer);
|
|
}
|
|
|
|
TEST(ParenContentsTest, BinaryAsTuple) {
|
|
ParenContents contents({{.expression = MakeInt(/*line_num=*/2, 42)},
|
|
{.expression = MakeInt(/*line_num=*/3, 42)}},
|
|
ParenContents::HasTrailingComma::Yes);
|
|
|
|
const Expression* tuple = contents.AsTuple(/*line_num=*/1);
|
|
EXPECT_EQ(tuple->line_num, 1);
|
|
ASSERT_EQ(tuple->tag, ExpressionKind::Tuple);
|
|
std::vector<std::pair<std::string, const Expression*>> fields =
|
|
*tuple->u.tuple.fields;
|
|
ASSERT_EQ(fields.size(), 2);
|
|
EXPECT_EQ(fields[0].second->tag, ExpressionKind::Integer);
|
|
EXPECT_EQ(fields[1].second->tag, ExpressionKind::Integer);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace Carbon
|