public void CircuitBreakerAnalyzer_WhileWithDoubleNestedNoBreak_ProposeFix()
{
var test = @"
namespace ConsoleApplication1
{
class TypeName
{
static void Main(string[] args)
{
int i = 0;
while(i > 1)
{
i++
if(i > 100)
{
if(i > 120)
{
}
}
}
}
}
}";
var expected = CodeTestHelper.CreateDiagnosticResult("AN0001", "Add circuit breaker to loop", 9, 4);
VerifyCSharpDiagnostic(test, expected);
}
public void DoubleFloatParseAnalyzer_TryParseDoubleInvariantCultureNumberInfo_Ignore()
{
var nameSpace = @"using System;
using System.Globalization;";
var method = @"double.TryParse(""1.1"", NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture.NumberFormat, out double longitude);";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
VerifyCSharpDiagnostic(test);
}
public void TimeSpanFormatAnalyzer_FPattern_Ignore()
{
var nameSpace = @"using System;
using System.Globalization;";
var method = @"var date = new TimeSpan(20, 10, 5, 2).ToString(@""F\:ff"");";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
VerifyCSharpDiagnostic(test);
}
public void DoubleFloatParseAnalyzer_TryParseFloatWithInvarientCulture_Ignore()
{
var nameSpace = @"using System;
using System.Globalization;";
var method = @"bool didParse = float.TryParse(""1.1"", NumberStyles.Any, CultureInfo.InvariantCulture, out float parsedDouble);";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
VerifyCSharpDiagnostic(test);
}
public void DateFormatAnalyzer_DateTimeddMMyyyy_Ignore()
{
var nameSpace = @"using System;";
var method = @"var date = DateTime.UtcNow.ToString(""dd/MM/yyyy"");";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
VerifyCSharpDiagnostic(test);
}
public void DateAndTimeStringAnalyzer_TimeSpanToStringWithoutInvariantCulture_ProposeFix()
{
var nameSpace = @"using System;";
var method = @"var timeSpan = new TimeSpan(0).ToString(""mm/dd/yyyy hh:mm:ss"");";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
var expected = CodeTestHelper.CreateDiagnosticResult("AN0007", "Use InvariantCulture for printing date/time", 9, 19);
VerifyCSharpDiagnostic(test, expected);
}
public void DateTimeAnalyzer_InitializeDateTimeTicks_ProposeFix()
{
var nameSpace = @"using System;";
var method = @"DateTime dateTime = new DateTime(0);";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
var expected = CodeTestHelper.CreateDiagnosticResult("AN0002", "DateTime kind should be UTC", 9, 24);
VerifyCSharpDiagnostic(test, expected);
}
public void TimeSpanFormatAnalyzer_F_ProposeFix()
{
var nameSpace = @"using System;
using System.Globalization;";
var method = @"var time = new TimeSpan(20, 10, 5, 2).ToString(@""F"", CultureInfo.InvariantCulture);";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
var expected = CodeTestHelper.CreateDiagnosticResult("AN0009", "'F' alone doesn't work in TimeSpan, use %f or in a pattern @\"F\\:ff\"", 10, 15);
VerifyCSharpDiagnostic(test, expected);
}
public void TimeSpanFormatAnalyzer_MM_ProposeFix()
{
var nameSpace = @"using System;
using System.Globalization;";
var method = @"var time = new TimeSpan(20, 10, 5, 2).ToString(@""MM"", CultureInfo.InvariantCulture);";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
var expected = CodeTestHelper.CreateDiagnosticResult("AN0009", "Month not valid in TimeSpan formatting. Did you mean 'm' (minutes)?", 10, 15);
VerifyCSharpDiagnostic(test, expected);
}
public void DateFormatAnalyzer_DateTimeyymmdd_ProposeFix()
{
var nameSpace = @"using System;";
var method = @"var date = DateTime.UtcNow.ToString(""yy/mm/dd"");";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
var expected = CodeTestHelper.CreateDiagnosticResult("AN0008", 9, 15);
VerifyCSharpDiagnostic(test, expected);
}
public void DoubleFloatParseAnalyzer_TryParseFloatWithoutInvarientCulture_ProposeFix()
{
var nameSpace = @"using System;
using System.Globalization;";
var method = @"bool didParse = float.TryParse(""1.1"", out float parsedFloat);";
var test = CodeTestHelper.GetCodeInMainMethod(nameSpace, method);
var expected = CodeTestHelper.CreateDiagnosticResult("AN0003", "Use InvariantCulture for double/float parsing", 10, 20);
VerifyCSharpDiagnostic(test, expected);
}
public void CircuitBreakerAnalyzer_WhileBreakInIf_Ignore()
{
var methodBody = @"
int i = 0;
while(i > 1)
{
i++
if(i > 100)
break;
}" ;
var code = CodeTestHelper.GetCodeInMainMethod("namespace ConsoleApplication1", methodBody);
VerifyCSharpDiagnostic(code);
}
public void CollectionContainsAnalyzer_HashSetAnyAndExpression_Ignore()
{
var namespaces = @"
using System.Collections.Generic;
using System.Linq;
";
var methodBody = @"
var collection = new HashSet<string>();
var result = collection.Any(e => e == ""test"" && e == ""othertest"");
";
var code = CodeTestHelper.GetCodeInMainMethod(namespaces, methodBody);
VerifyCSharpDiagnostic(code);
}
public void CollectionContainsAnalyzer_HashSetAnyEmpty_Ignore()
{
var namespaces = @"
using System.Collections.Generic;
using System.Linq;
";
var methodBody = @"
var collection = new HashSet<int>();
var result = collection.Any();
";
var code = CodeTestHelper.GetCodeInMainMethod(namespaces, methodBody);
VerifyCSharpDiagnostic(code);
}
public void CollectionContainsAnalyzer_HashSetAnyIntCouldBeContainsRight_ProposeFix()
{
var namespaces = @"
using System.Collections.Generic;
using System.Linq;
";
var methodBody = @"
var collection = new HashSet<int>();
var result = collection.Any(e => 5 == e);
";
var code = CodeTestHelper.GetCodeInMainMethod(namespaces, methodBody);
var expected = CodeTestHelper.CreateDiagnosticResult("AN0010", 14, 41);
VerifyCSharpDiagnostic(code, expected);
}
public void CollectionContainsAnalyzer_ListAnyCouldBeContainsLeft_ProposeFix()
{
var namespaces = @"
using System.Collections.Generic;
using System.Linq;
";
var methodBody = @"
var collection = new List<string>();
var result = collection.Any(e => e == ""test"");
";
var code = CodeTestHelper.GetCodeInMainMethod(namespaces, methodBody);
var expected = CodeTestHelper.CreateDiagnosticResult("AN0010", 14, 41);
VerifyCSharpDiagnostic(code, expected);
}
public void CircuitBreakerAnalyzer_ForWithoutConditionNoBreak_ProposeFix()
{
var test = @"
namespace ConsoleApplication1
{
class TypeName
{
static void Main(string[] args)
{
for(;;)
{
int o = 1;
}
}
}
}";
var expected = CodeTestHelper.CreateDiagnosticResult("AN0001", "Add circuit breaker to loop", 8, 4);
VerifyCSharpDiagnostic(test, expected);
}
public void CircuitBreakerAnalyzer_ConditionGreaterOrEqualsThanIncrementingBreakerLeft_ProposeFix()
{
var test = @"
namespace ConsoleApplication1
{
class TypeName
{
static void Main(string[] args)
{
int i = 10;
while(1 <= i)
{
i++;
}
}
}
}";
var expected = CodeTestHelper.CreateDiagnosticResult("AN0001", 9, 4);
VerifyCSharpDiagnostic(test, expected);
}
public void CircuitBreakerAnalyzer_ConditionLessThanDecrementingAndOperator_ProposeFix()
{
var test = @"
namespace ConsoleApplication1
{
class TypeName
{
static void Main(string[] args)
{
bool run = true;
int i = 1;
while(i < 10 && run)
{
i--;
}
}
}
}";
var expected = CodeTestHelper.CreateDiagnosticResult("AN0001", 10, 4);
VerifyCSharpDiagnostic(test, expected);
}
