test/ParseConstantDeclarationTests.cpp - main - thomas-king/SyntacticAnalyzer

test/ParseConstantDeclarationTests.cpp
106 строк3 KB
Ace Rodstin
Add ParseExpressionTests. Fix parenthesis parsing.
06 апр 2023, 13:52
06 апр 2023, 13:52760e23e
//
//  ParseConstantDeclarationTests.cpp
//  Tests
//
//  Created by Ace Rodstin on 4/6/23.
//  Copyright © 2023 Ace Rodstin. All rights reserved.
//

#include "gtest/gtest.h"
#include "Services/SyntacticAnalyzer.h"

using namespace std;
using namespace ace;

TEST(ParseConstantDeclarationTests, when_parse_then_identifierCorrect) {
	// Given
	string source = "val value = 1";
	auto expected = "value";

	// When
	TokensParser tokensParser { source };
	SyntacticAnalyzer syntacticAnalyzer { tokensParser };

	auto statement = syntacticAnalyzer.parse();
	auto declaration = statement->getDeclaration();
	auto constantDeclaration = declaration->getConstantDeclaration();
	auto constantSpecification = constantDeclaration->getConstantSpecification();
	auto identifierList = constantSpecification->getIdentifierList();
	auto identifiers = identifierList->getIdentifiers();
	auto& identifier = (*identifiers)[0];
	auto output = identifier->getIdentifier();

	// Then
	EXPECT_EQ(output, expected);
}

TEST(ParseConstantDeclarationTests, when_parse_then_identifierListCorrect) {
	// Given
	string source = "val value, another = 1";
	vector<string> expected = { "value", "another" };

	// When
	TokensParser tokensParser { source };
	SyntacticAnalyzer syntacticAnalyzer { tokensParser };

	auto statement = syntacticAnalyzer.parse();
	auto declaration = statement->getDeclaration();
	auto constantDeclaration = declaration->getConstantDeclaration();
	auto constantSpecification = constantDeclaration->getConstantSpecification();
	auto identifierList = constantSpecification->getIdentifierList();
	auto identifiers = identifierList->getIdentifiers();
	vector<string> output;

	for (auto& identifier: *identifiers) {
		output.push_back(identifier->getIdentifier());
	}

	// Then
	EXPECT_EQ(output, expected);
}

TEST(ParseConstantDeclarationTests, when_parse_then_typeCorrect) {
	// Given
	string source = "val value: Integer = 1";
	auto expected = "Integer";

	// When
	TokensParser tokensParser { source };
	SyntacticAnalyzer syntacticAnalyzer { tokensParser };

	auto statement = syntacticAnalyzer.parse();
	auto declaration = statement->getDeclaration();
	auto constantDeclaration = declaration->getConstantDeclaration();
	auto constantSpecification = constantDeclaration->getConstantSpecification();
	auto type = constantSpecification->getType();
	auto typeName = type->getTypeName();
	auto identifier = typeName->getIdentifier();
	auto output = identifier->getIdentifier();

	// Then
	EXPECT_EQ(output, expected);
}

TEST(ParseConstantDeclarationTests, when_parse_then_expressionCorrect) {
	// Given
	string source = "val value = 1";
	auto expected = "1";

	// When
	TokensParser tokensParser { source };
	SyntacticAnalyzer syntacticAnalyzer { tokensParser };

	auto statement = syntacticAnalyzer.parse();
	auto declaration = statement->getDeclaration();
	auto constantDeclaration = declaration->getConstantDeclaration();
	auto constantSpecification = constantDeclaration->getConstantSpecification();
	auto expression = constantSpecification->getExpression();
	auto unaryExpression = dynamic_cast<const UnaryExpression*>(expression);
	auto primaryExpression = unaryExpression->getPrimaryExpression();
	auto operand = primaryExpression->getOperand();
	auto literal = operand->getLiteral();
	auto output = literal->getLiteral();

	// Then
	EXPECT_EQ(output, expected);
}