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using System;
using DSALib.Auxiliary.Calculator;
using Moq;
using NUnit.Framework;
namespace NUnitTest.Auxiliary.Calculator {
[TestFixture]
public class StringSolverTests {
[SetUp]
public void SetUp() {
mockRepository = new MockRepository(MockBehavior.Strict);
}
[TearDown]
public void TearDown() {
mockRepository.VerifyAll();
}
private MockRepository mockRepository;
private StringSolver CreateStringSolver(string input) {
return new StringSolver(input);
}
[Test]
public void Solve_braces() {
// Arrange
var unitUnderTest = CreateStringSolver("1+(1-4)*6+2");
// Act
var result = unitUnderTest.Solve();
// Assert
Assert.AreEqual(-15, result);
}
[Test]
[MaxTime(200)]
public void Solve_braces_timeout() {
// Arrange
var unitUnderTest = CreateStringSolver("1+(1-(4)*6+2");
// Act
Assert.Throws<ArgumentException>(() => unitUnderTest.Solve(), "Invalid brace sequence");
}
[Test]
public void Solve_mult() {
// Arrange
var unitUnderTest = CreateStringSolver("1+1-4*6+2");
// Act
var result = unitUnderTest.Solve();
// Assert
Assert.AreEqual(-20, result);
}
[Test]
public void Solve_StateUnderTest_ExpectedBehavior() {
// Arrange
var unitUnderTest = CreateStringSolver("1+1");
// Act
var result = unitUnderTest.Solve();
// Assert
Assert.AreEqual(2, result);
}
[Test]
public void Solve_wrong_braces() {
// Arrange
var unitUnderTest = CreateStringSolver("1+)(1-4)*6+2");
// Act
Assert.Throws<ArgumentException>(() => unitUnderTest.Solve(), "Invalid brace sequence");
}
[Test]
public void ToString_StateUnderTest_ExpectedBehavior() {
// Arrange
var unitUnderTest = CreateStringSolver("3+-4");
// Act
var result = unitUnderTest.ToString();
// Assert
Assert.AreEqual("(0+3+-4)", result);
}
}
}
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