Fixed date separator should respect the provided CultureInfo. Added new netstandard2.0 target to access date separator without workaround. Closes #15

Author: andersnm

appveyor.yml

@@ -12,6 +12,6 @@ test_script:
     dotnet test test\ExcelNumberFormat.Tests\ExcelNumberFormat.Tests.csproj --no-build --logger "trx;LogFileName=tests.trx" -c $Env:CONFIGURATION
     # upload results to AppVeyor
     $wc = New-Object 'System.Net.WebClient'
-    $wc.UploadFile("https://ci.appveyor.com/api/testresults/mstest/$($env:APPVEYOR_JOB_ID)", (Resolve-Path .\test\ExcelNumberFormat.Tests\TestResults\tests.trx))
+    $wc.UploadFile("https://ci.appveyor.com/api/testresults/mstest/$($env:APPVEYOR_JOB_ID)", (Resolve-Path .\test\ExcelNumberFormat.Tests\TestResults\tests*.trx))
 artifacts:
 - path: '**\*.nupkg'

src/ExcelNumberFormat/ExcelNumberFormat.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net20;netstandard1.0</TargetFrameworks>
-    <VersionPrefix>1.0.5</VersionPrefix>
+    <TargetFrameworks>net20;netstandard1.0;netstandard2.0</TargetFrameworks>
+    <VersionPrefix>1.0.6</VersionPrefix>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Description>.NET library to parse ECMA-376 number format strings and format values like Excel and other spreadsheet softwares.</Description>

src/ExcelNumberFormat/Formatter.cs

@@ -250,6 +250,14 @@ private static string FormatDate(DateTime date, List<string> tokens, CultureInfo
                     var digits = token.Length - 1;
                     result.Append("." + value.ToString("D" + digits));
                 }
+                else if (token == "/")
+                {
+#if NETSTANDARD1_0
+                    result.Append(DateTime.MaxValue.ToString("/d", culture)[0]);
+#else
+                    result.Append(culture.DateTimeFormat.DateSeparator);
+#endif
+                }
                 else
                 {
                     FormatLiteral(token, result);

test/ExcelNumberFormat.Tests/Class1.cs

@@ -437,6 +437,17 @@ public void TestThousandSeparatorCulture()
             Assert.AreEqual("0.001.469,07", actual);
         }
 
+        [TestMethod]
+        [TestCase("da-DK", "17-08-1978")]
+        [TestCase("en-US", "17/08/1978")]
+        [TestCase("bg-BG", "17.08.1978")]
+        [TestCase("nb-NO", "17.08.1978")]
+        public void TestDateSeparatorCulture(string cultureName, string expected)
+        {
+            var actual = Format(new DateTime(1978, 8, 17), "DD/MM/YYYY", new CultureInfo(cultureName));
+            Assert.AreEqual(expected, actual);
+        }
+
         void TestValid(string format)
         {
             var to = new NumberFormat(format);