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## C# validator -- exhaustive edge-case tests.
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## Auto-generated. Tests valid code, invalid code, encoding attacks,
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## nesting extremes, unicode bombs, binary injection, and more.
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import std/[unittest, strutils, strformat, json]
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import ../src/nimcheck
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proc checkValid(result: ValidationResult, context: string = "") =
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if result.errors.len > 0:
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var msg = &"Expected valid, got {result.errors.len} error(s)"
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if context.len > 0: msg.add(&" [{context}]")
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for e in result.errors: msg.add(&"\n [{e.code}] {e.message}")
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doAssert false, msg
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proc checkInvalid(result: ValidationResult, context: string = "") =
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if result.errors.len == 0:
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doAssert false, &"Expected errors, got none [{context}]"
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proc checkHasError(result: ValidationResult, code: string, context: string = "") =
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var found = false
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for e in result.errors:
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if e.code == code: found = true
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if not found:
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var codes: seq[string] = @[]
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for e in result.errors: codes.add(e.code)
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let codesJoined = codes.join(", ")
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doAssert false, "Expected error code '" & code & "', got " & codesJoined & " [" & context & "]"
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proc checkSeverity(result: ValidationResult, sev: string, context: string = "") =
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var found = false
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for e in result.errors:
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if $e.severity == sev: found = true
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if not found:
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doAssert false, &"Expected severity '{sev}', none found [{context}]"
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suite "C# Exhaustive Tests":
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test "basic valid C#":
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let src = "using System;\nclass Program { static void Main() { Console.WriteLine(\"hi\"); } }\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "unclosed string":
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let src = "using System;\nclass Program { static void Main() { string s = \"unclosed; } }\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "class with properties":
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let src = "class Person { public string Name { get; set; } }\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "empty source":
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let src = ""
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "null byte injection":
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let src = "int x = 5;\x00int y = 10;\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "generic class":
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let src = "using System.Collections.Generic;\nclass Box<T> { public T Value { get; set; } }\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "linq expression":
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let src = "using System.Linq;\nvar result = from x in items where x > 5 select x;\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "async method":
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let src = "using System.Threading.Tasks;\nclass Test { async Task<int> GetAsync() { return await Task.Run(() => 42); } }\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "deep bracket nesting":
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let src = "int x = ((((((((((((((((((((42))))))))))))))))))));\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "interface and implementation":
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let src = "interface IFoo { void Bar(); }\nclass Foo : IFoo { public void Bar() {} }\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "struct definition":
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let src = "struct Point { public int X; public int Y; }\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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test "very long single line":
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let src = "int x = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;\n"
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let result = validateSource(src, flavor = lfCSharp)
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check result.errors.len >= 0
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