karma/interpreter-cpp
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extracted to a function the casting of the

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different types to make tests cleaner
This commit is contained in:
Karma Riuk
2025-07-09 11:06:28 +02:00
parent 79b1aeb45f
commit c65cefe867
4 changed files with 98 additions and 54 deletions
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92
test/parser/expression.cpp
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@@ -1,5 +1,6 @@
#include "ast/expressions/identifier.hpp"
#include "ast/expressions/integer.hpp"
#include "ast/expressions/prefix.hpp"
#include "utils.hpp"
#include <doctest.h>
@@ -11,24 +12,11 @@ TEST_SUITE("Parser: expression") {
) {
setup("foobar;");
REQUIRE(program->statements.size() == 1);
ast::expression_stmt* expression_stmt;
REQUIRE_NOTHROW(
expression_stmt =
dynamic_cast<ast::expression_stmt*>(program->statements[0])
);
REQUIRE_MESSAGE(
expression_stmt != nullptr,
"Couldn't cast statement to an expression statement"
);
ast::expression_stmt* expression_stmt =
cast<ast::expression_stmt>(program->statements[0]);
ast::identifier* ident;
REQUIRE_NOTHROW(
ident = dynamic_cast<ast::identifier*>(expression_stmt->expression)
);
REQUIRE_MESSAGE(
ident != nullptr,
"Couldn't cast expression to an identifier"
);
ast::identifier* ident =
cast<ast::identifier>(expression_stmt->expression);
REQUIRE(ident->value == "foobar");
REQUIRE(ident->token_literal() == "foobar");
@@ -40,27 +28,61 @@ TEST_SUITE("Parser: expression") {
) {
setup("5;");
REQUIRE(program->statements.size() == 1);
ast::expression_stmt* expression_stmt;
REQUIRE_NOTHROW(
expression_stmt =
dynamic_cast<ast::expression_stmt*>(program->statements[0])
);
REQUIRE_MESSAGE(
expression_stmt != nullptr,
"Couldn't cast statement to an expression statement"
);
ast::integer_literal* int_lit;
REQUIRE_NOTHROW(
int_lit =
dynamic_cast<ast::integer_literal*>(expression_stmt->expression)
);
REQUIRE_MESSAGE(
int_lit != nullptr,
"Couldn't cast expression to an identifier"
);
ast::expression_stmt* expression_stmt =
cast<ast::expression_stmt>(program->statements[0]);
ast::integer_literal* int_lit =
cast<ast::integer_literal>(expression_stmt->expression);
REQUIRE(int_lit->value == 5);
REQUIRE(int_lit->token_literal() == "5");
};
// TEST_CASE_FIXTURE(
// ParserFixture,
// "Simple expression statement with prefix before integer"
// ) {
// SUBCASE("Prefix: '!'") {
// setup("!5;");
//
// REQUIRE(program->statements.size() == 1);
// ast::expression_stmt* expression_stmt =
// cast<ast::expression_stmt>(program->statements[0]);
//
// ast::prefix_expr* prefix_expr;
// REQUIRE_NOTHROW(
// prefix_expr =
// dynamic_cast<ast::prefix_expr*>(expression_stmt->expression)
// );
// REQUIRE_MESSAGE(
// prefix_expr != nullptr,
// "Couldn't cast expression to an identifier"
// );
//
// REQUIRE(prefix_expr->value == 5);
// REQUIRE(prefix_expr->token_literal() == "5");
// }
// SUBCASE("Prefix: '-'") {
// setup("-15;");
//
// REQUIRE(program->statements.size() == 1);
// ast::expression_stmt* expression_stmt =
// get_expression_stmt(program->statements[0]);
//
// ast::integer_literal* int_lit;
// REQUIRE_NOTHROW(
// int_lit = dynamic_cast<ast::integer_literal*>(
// expression_stmt->expression
// )
// );
// REQUIRE_MESSAGE(
// int_lit != nullptr,
// "Couldn't cast expression to an identifier"
// );
//
// REQUIRE(int_lit->value == 5);
// REQUIRE(int_lit->token_literal() == "5");
// }
// }
}