Add NotNullOrEmptyMatcher (#625)

test/WireMock.Net.Tests/Matchers/NotNullOrEmptyMatcherTests.cs

@@ -0,0 +1,60 @@
+using FluentAssertions;
+using NFluent;
+using WireMock.Matchers;
+using Xunit;
+
+namespace WireMock.Net.Tests.Matchers
+{
+    public class NotNullOrEmptyMatcherTests
+    {
+        [Fact]
+        public void NotNullOrEmptyMatcher_GetName()
+        {
+            // Act
+            var matcher = new NotNullOrEmptyMatcher();
+            string name = matcher.Name;
+
+            // Assert
+            Check.That(name).Equals("NotNullOrEmptyMatcher");
+        }
+
+        [Theory]
+        [InlineData(null, 0.0)]
+        [InlineData(new byte[0], 0.0)]
+        [InlineData(new byte[] { 48 }, 1.0)]
+        public void NotNullOrEmptyMatcher_IsMatch_ByteArray(byte[] data, double expected)
+        {
+            // Act
+            var matcher = new NotNullOrEmptyMatcher();
+            double result = matcher.IsMatch(data);
+
+            // Assert
+            result.Should().Be(expected);
+        }
+
+        [Theory]
+        [InlineData(null, 0.0)]
+        [InlineData("", 0.0)]
+        [InlineData("x", 1.0)]
+        public void NotNullOrEmptyMatcher_IsMatch_String(string data, double expected)
+        {
+            // Act
+            var matcher = new NotNullOrEmptyMatcher();
+            double result = matcher.IsMatch(data);
+
+            // Assert
+            result.Should().Be(expected);
+        }
+
+        [Fact]
+        public void NotNullOrEmptyMatcher_IsMatch_Json()
+        {
+            // Act
+            var matcher = new NotNullOrEmptyMatcher();
+            double result = matcher.IsMatch(new { x = "x" });
+
+            // Assert
+            result.Should().Be(1.0);
+        }
+    }
+}