From 06dc80ca496e92dad28db02825f95a685ab77047 Mon Sep 17 00:00:00 2001
From: Cody Merritt Anhorn <cody.anhorn@hotmail.com>
Date: Mon, 13 Sep 2021 22:54:38 -0500
Subject: [PATCH] =?UTF-8?q?fix:=20Number=20Format=20Exception=20when=20Con?=
 =?UTF-8?q?verting=20decimal=20from=20JavaScript=20=F0=9F=90=9B=20Convert.?=
 =?UTF-8?q?ChangeType=20would=20throw=20a=20Number=20Format=20Exception=20?=
 =?UTF-8?q?when=20the=20current=20Culture=20was=20not=20that=20of=20a=20'.?=
 =?UTF-8?q?'=20decimal=20place.=20The=20fix=20was=20to=20update=20the=20Co?=
 =?UTF-8?q?nvert.ChangeType=20to=20use=20an=20InvariantCluture=20when=20ch?=
 =?UTF-8?q?anging=20the=20type=20of=20a=20decimal/float=20number.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fixes #32
---
 .../InteropDecimalNumberClutureInfoTest.razor | 78 +++++++++++++++++++
 .../Validation/InteropValidationsPage.razor   |  1 +
 .../EventHorizonBlazorInterop.cs              | 10 ++-
 3 files changed, 85 insertions(+), 4 deletions(-)
 create mode 100644 EventHorizon.Blazor.Interop.Sample/Pages/Testing/InteropTesting/Validation/InteropDecimalNumberClutureInfoTest.razor

diff --git a/EventHorizon.Blazor.Interop.Sample/Pages/Testing/InteropTesting/Validation/InteropDecimalNumberClutureInfoTest.razor b/EventHorizon.Blazor.Interop.Sample/Pages/Testing/InteropTesting/Validation/InteropDecimalNumberClutureInfoTest.razor
new file mode 100644
index 0000000..11806ea
--- /dev/null
+++ b/EventHorizon.Blazor.Interop.Sample/Pages/Testing/InteropTesting/Validation/InteropDecimalNumberClutureInfoTest.razor
@@ -0,0 +1,78 @@
+@using System.Globalization
+<div>
+    <h3>Literal Decimal Number Cluture Info Validation</h3>
+    <div class="--lighter">Interop Get</div>
+    <div>
+        Status:
+        @if (TestStatus == "Passed")
+        {
+            <span class="green-badge">@TestStatus</span>
+        }
+        else if (TestStatus == "Failed")
+        {
+            <span class="red-badge">@TestStatus</span>
+        }
+        else
+        {
+            <span>@TestStatus</span>
+        }
+    </div>
+    <button class="run-btn" @onclick="HandleRunTest">Run</button>
+</div>
+
+<script suppress-error="BL9992">
+    (function () {
+        window["InteropDecimalNumberClutureInfoTest"] = {
+            value: 0.0000000000000001334646852585,
+        };
+    })();
+</script>
+
+@code {
+    public string TestStatus = "Pending";
+
+    private string testId => "InteropDecimalNumberClutureInfoTest";
+    private decimal result;
+    private decimal expected = 0.0000000000000001334646852585m;
+
+    private void HandleRunTest()
+    {
+        var clutureInfo = CultureInfo.CurrentCulture;
+        try
+        {
+            // Using de-DE because the decimal place is ',' for decimal/numbers.
+            CultureInfo.CurrentCulture = new CultureInfo(
+                "de-DE"
+            );
+
+            RunTest();
+            ValidateTest();
+        }
+        catch { }
+        finally
+        {
+            // Reset back to ClutureInfo before test changed it.
+            CultureInfo.CurrentCulture = clutureInfo;
+        }
+    }
+
+    public void RunTest()
+    {
+        result = EventHorizonBlazorInterop.Get<decimal>(
+            testId,
+            "value"
+        );
+    }
+
+    public void ValidateTest()
+    {
+        if (result == expected)
+        {
+            TestStatus = "Passed";
+        }
+        else
+        {
+            TestStatus = "Failed";
+        }
+    }
+}
diff --git a/EventHorizon.Blazor.Interop.Sample/Pages/Testing/InteropTesting/Validation/InteropValidationsPage.razor b/EventHorizon.Blazor.Interop.Sample/Pages/Testing/InteropTesting/Validation/InteropValidationsPage.razor
index 701e0ab..0387fcf 100644
--- a/EventHorizon.Blazor.Interop.Sample/Pages/Testing/InteropTesting/Validation/InteropValidationsPage.razor
+++ b/EventHorizon.Blazor.Interop.Sample/Pages/Testing/InteropTesting/Validation/InteropValidationsPage.razor
@@ -3,6 +3,7 @@
 <h1>Interop Validations</h1>
 
 <div class="testing-content">
+    <InteropDecimalNumberClutureInfoTest />
     <InteropDecimalNumberTest />
     <InteropFloatNumberTest />
     <InteropIntNumberTest />
diff --git a/EventHorizon.Blazor.Interop/EventHorizonBlazorInterop.cs b/EventHorizon.Blazor.Interop/EventHorizonBlazorInterop.cs
index 3d90258..640f315 100644
--- a/EventHorizon.Blazor.Interop/EventHorizonBlazorInterop.cs
+++ b/EventHorizon.Blazor.Interop/EventHorizonBlazorInterop.cs
@@ -1,6 +1,7 @@
 namespace EventHorizon.Blazor.Interop
 {
     using System;
+    using System.Globalization;
     using System.Threading.Tasks;
     using Microsoft.JSInterop;
     using Microsoft.JSInterop.WebAssembly;
@@ -209,9 +210,9 @@ params object[] args
         /// <example>
         /// <code>
         /// <![CDATA[
-        /// EventHorizonBlazorInterop.Get<Vector3>(
-        ///     entity => new Vector3(entity),
-        ///     "document.createElement"
+        /// EventHorizonBlazorInterop.Get<decimal>(
+        ///     "document",
+        ///     "nodeType"
         /// );
         /// ]]>
         /// </code>
@@ -240,7 +241,8 @@ string prop
             }
             return (T)Convert.ChangeType(
                 result,
-                Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T)
+                Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T),
+                CultureInfo.InvariantCulture
             );
         }