public void IsConstant_UseVariableStringExpression_ShouldReturnFalse()
{
//Setup
var expr = Lambda.Expr((object x) => x.ToString());
//Exercise
var actual = expr.Body.IsConstant("");
//Verify
actual.Should().BeFalse();
}
public void ToLambda_FromLambdaExpression_ShouldBeTheSame()
{
//Setup
var expected = Lambda.Expr((DateTime x) => x.TimeOfDay);
//Exercise
var actual = expected.ToLambda();
//Verify
actual.Should().BeSameAs(expected);
}
public void IsConstant_UseConstantStringExpressionAndPassDifferentValue_ShouldReturnFalse()
{
//Setup
var expr = Lambda.Expr(() => "true");
//Exercise
var actual = expr.Body.IsConstant("true ");
//Verify
actual.Should().BeFalse();
}
public void IsConstant_UseConstantBoolExpressionAndPassStringValue_ShouldReturnFalse()
{
//Setup
var expr = Lambda.Expr(() => true);
//Exercise
var actual = expr.Body.IsConstant(true.ToString());
//Verify
actual.Should().BeFalse();
}
public void IsConstant_UseConstantNullExpression_ShouldReturnTrue()
{
//Setup
var expr = Lambda.Expr <string>(() => null);
//Exercise
var actual = expr.Body.IsConstant(null);
//Verify
actual.Should().BeTrue();
}
public void IsConstant_UseConstantStringExpression_ShouldReturnTrue()
{
//Setup
var expr = Lambda.Expr(() => "true");
//Exercise
var actual = expr.Body.IsConstant("true");
//Verify
actual.Should().BeTrue();
}
public void RemoveConvert_FromLambdaExpressionWithAndAlsoOperationAndAutoCast_ShouldBeAndAlsoBinaryExpression()
{
//Setup
var expr = Lambda.Expr <string, object>(x => x.IsNormalized() && x.Length == 1);
//Exercise
var actual = expr.RemoveConvert();
//Verify
actual.Should().NotBeNull().And.BeAssignableTo <BinaryExpression>()
.Which.NodeType.Should().Be(ExpressionType.AndAlso);
}
public void RemoveConvert_FromConstantLambdaExpressionWithAutoCast_ShouldBeConstantExpression()
{
//Setup
var expr = Lambda.Expr <object>(() => true);
//Exercise
var actual = expr.RemoveConvert();
//Verify
actual.Should().NotBeNull().And.BeOfType <ConstantExpression>()
.Which.Value.Should().Be(true);
}
public NestedMethodExpressionWithoutParamAttribute()
: base(Lambda.Expr(() => 1.ToString().ToLower()))
{
}
public SingleMethodExpressionWithTwoParamsAttribute()
: base(Lambda.Expr((DateTime x, string format) => x.ToString(format)))
{
}
public NestedMemberExpressionWithOneParamAttribute()
: base(Lambda.Expr((DateTime x) => x.TimeOfDay.Minutes))
{
}
public SingleMemberExpressionWithOneParamAttribute()
: base(Lambda.Expr((DateTime x) => x.TimeOfDay))
{
}
public AutoDataAttribute()
{
Fixture.Register(() => new MyFixture());
Fixture.Register(() => Lambda.Expr <A, int>(x => x.Prop1));
Fixture.Register(() => Lambda.Expr <B, int>(x => x.Prop2));
}
