From d71b9ef7b2ed7d72df132b5e38448fbbac7036be Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 30 Apr 2016 16:53:16 +0100
Subject: Produce nicer error messages in C#

---
 dotnet/Mammoth.Tests/DocumentConverterTests.cs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'dotnet/Mammoth.Tests')

diff --git a/dotnet/Mammoth.Tests/DocumentConverterTests.cs b/dotnet/Mammoth.Tests/DocumentConverterTests.cs
index 89ade1c..92a3adf 100644
--- a/dotnet/Mammoth.Tests/DocumentConverterTests.cs
+++ b/dotnet/Mammoth.Tests/DocumentConverterTests.cs
@@ -151,12 +151,23 @@ namespace Mammoth.Tests {
         }
 
         [Fact]
-        public void RulesFromPreviouslyAddedStyleMapsStillTakeEffectIfNotOverriden() {
+        public void RulesFromPreviouslyAddedStyleMapsStillTakeEffectIfNotOverridden() {
             AssertSuccessfulConversion(
                 ConvertToHtml("underline.docx", mammoth => mammoth.AddStyleMap("u => em").AddStyleMap("strike => del")),
                 "<p><strong>The <em>Sunset</em> Tree</strong></p>");
         }
 
+        [Fact]
+        public void ErrorIsRaisedIfStyleMapCannotBeParsed() {
+	    var exception = Assert.ThrowsAny<Exception>(() =>
+		new DocumentConverter().AddStyleMap("p =>\np[style-name=] =>"));
+	    Assert.Equal(
+		"error reading style map at line 2, character 14: expected token of type _STRING but was of type _CLOSE_SQUARE_BRACKET\n\n" +
+                "p[style-name=] =>\n" +
+                "             ^",
+		exception.Message);
+        }
+
         [Fact]
         public void CanDisableDefaultStyleMap() {
             var result = ConvertToHtml("simple-list.docx", mammoth => mammoth.DisableDefaultStyleMap());
-- 
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