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Updated TreeNode system to use abstract base class and inheritence

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Jim
2023-09-07 22:08:56 +01:00
parent eaeb64b314
commit 0225ae1f84
7 changed files with 58 additions and 231 deletions
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8
MathEngine/EngineTests/EngineTests.csproj
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@@ -1,13 +1,19 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<IsPackable>false</IsPackable>
<EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
</PropertyGroup>
<ItemGroup>
<Compile Remove="Parser Tests\TreeNodeTests.cs" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
<PackageReference Include="MSTest.TestAdapter" Version="2.2.8" />

28
MathEngine/EngineTests/Parser Tests/ExpressionTreeTests.cs
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@@ -16,15 +16,8 @@ namespace EngineTests
public void TestExpressionTreeSimpleExpression()
{
string testExp = "3+4";
TreeNode exptectedTree = new(Token.Plus);
Token tokfour = new("4", Token.Type.Numeric, Token.NumericType.Decimal, 0);
Token tokthree = new("3", Token.Type.Numeric, Token.NumericType.Decimal, 0);
TreeNode four = new(tokfour);
TreeNode three = new(tokthree);
exptectedTree.AddChildNode(four);
exptectedTree.AddChildNode(three);
ExpressionTree returnedTree = new(testExp);
Assert.IsTrue(returnedTree.Equals(exptectedTree));
Assert.IsTrue(returnedTree.ToString() == "7");
}
/// <summary>
@@ -34,11 +27,8 @@ namespace EngineTests
public void TestExpressionTreeSimpleExpressionEvaluation()
{
string testExp = "3+4*7";
Token tok31 = new("31", Token.Type.Numeric, Token.NumericType.Decimal, 0);
TreeNode exptectedTree = new(tok31);
ExpressionTree returnedTree = new(testExp);
ExpressionTree? evaluatedTree = returnedTree.Evaluate();
Assert.IsTrue(evaluatedTree.Equals(exptectedTree));
Assert.IsTrue(returnedTree.ToString() == "31");
}
/// <summary>
@@ -49,11 +39,17 @@ namespace EngineTests
{
string testExp = "3+4*7-8/7";
decimal testValue = decimal.Divide(209 , 7);
Token tok31 = new(testValue.ToString(), Token.Type.Numeric, Token.NumericType.Decimal, 0);
TreeNode exptectedTree = new(tok31);
ExpressionTree returnedTree = new(testExp);
ExpressionTree? evaluatedTree = returnedTree.Evaluate();
Assert.IsTrue(evaluatedTree.Equals(exptectedTree));
Assert.IsTrue(returnedTree.ToString() == testValue.ToString());
}
[TestMethod]
public void TestExpressionTreeGetHashCodeReturnsHashCode()
{
string testExp = "1+1";
ExpressionTree returnedTree1 = new(testExp);
int hash = returnedTree1.GetHashCode();
Assert.IsInstanceOfType(hash, typeof(int));
}
}
}