Added tests to improve coverage in SA1012 (OpeningCurlyBracketsMustBeSpacedCorrectly)

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers.Test/SpacingRules/SA1012UnitTests.cs

@@ -221,6 +221,33 @@ public void TestMethod()
             await this.VerifyCSharpFixAsync(testCode, fixedCode).ConfigureAwait(false);
         }
 
+        [Fact]
+        public async Task TestMissingTokenAsync()
+        {
+            string testCode = @"
+class ClassName
+{
+    void Method()
+    {
+        int[] x = new[] 0 };
+    }
+}
+";
+
+            DiagnosticResult[] expected =
+            {
+                new DiagnosticResult
+                {
+                    Id = "CS1514",
+                    Severity = DiagnosticSeverity.Error,
+                    Message = "{ expected",
+                    Locations = new[] { new DiagnosticResultLocation("Test0.cs", 6, 25) }
+                }
+            };
+
+            await this.VerifyCSharpDiagnosticAsync(testCode, expected, CancellationToken.None).ConfigureAwait(false);
+        }
+
         /// <inheritdoc/>
         protected override IEnumerable<DiagnosticAnalyzer> GetCSharpDiagnosticAnalyzers()
         {