public void DifferentInstructionWithZeroArgumentsShouldNotMatch()
{
var pattern = ExpressionPattern.InstructionLiteral(1234);
var input = new InstructionExpression <int>(5678, ImmutableArray <Expression <int> > .Empty);
Assert.False(pattern.Matches(input));
}
public void SameInstructionWithZeroArgumentsShouldMatch()
{
var pattern = ExpressionPattern.InstructionLiteral(1234);
var input = new InstructionExpression <int>(1234, ImmutableArray <Expression <int> > .Empty);
Assert.True(pattern.Matches(input));
}
public void SameInstructionWithDifferentArgumentCountShouldNotMatch()
{
var pattern = ExpressionPattern
.InstructionLiteral(1234)
.WithArguments(ExpressionPattern.Any <int>(), ExpressionPattern.Any <int>());
var arguments = new List <Expression <int> >(2)
{
new InstructionExpression <int>(0, ImmutableArray <Expression <int> > .Empty),
};
var input = new InstructionExpression <int>(1234, arguments);
Assert.False(pattern.Matches(input));
}
public void SameInstructionWithComplexMatchingArgumentsShouldNotMatch()
{
var pattern = ExpressionPattern
.InstructionLiteral(1234)
.WithArguments(
ExpressionPattern.InstructionLiteral(1234) | ExpressionPattern.InstructionLiteral(5678),
ExpressionPattern.Any <int>());
var arguments = new List <Expression <int> >(2)
{
new InstructionExpression <int>(5678, ImmutableArray <Expression <int> > .Empty),
new InstructionExpression <int>(1, ImmutableArray <Expression <int> > .Empty),
};
var input = new InstructionExpression <int>(1234, arguments);
Assert.True(pattern.Matches(input));
}
public void InstructionWithAnyArgumentsShouldMatchIfInstructionIsEqual(bool sameInstruction, int argumentCount)
{
var pattern = ExpressionPattern
.InstructionLiteral(1234)
.WithAnyArguments();
var arguments = new List <Expression <int> >(argumentCount);
for (int i = 0; i < argumentCount; i++)
{
arguments.Add(new InstructionExpression <int>(0, ImmutableArray <Expression <int> > .Empty));
}
var input = new InstructionExpression <int>(sameInstruction ? 1234 : 5678, arguments);
var result = pattern.Match(input);
Assert.Equal(sameInstruction, result.IsSuccess);
}