Added extra unit test constructor with a string value.

dlemstra · Aug 3, 2023 · 733b2be · 733b2be
1 parent adafa86
commit 733b2be
Showing 1 changed file with 33 additions and 0 deletions.
diff --git a/tests/Magick.NET.Tests/Statistics/PerceptualHashTests/TheConstructor.cs b/tests/Magick.NET.Tests/Statistics/PerceptualHashTests/TheConstructor.cs
@@ -34,5 +34,38 @@ public void ShouldThrowExceptionWhenValueIsInvalid()
         {
             Assert.Throws<ArgumentException>("hash", () => new PerceptualHash("H00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"));
         }
+
+        [Fact]
+        public void ShouldConvertStringHashToPerceptualHash()
+        {
+            var hash = new PerceptualHash("81b4488652898d48a7a9622346206e620f8a646682939835e986ec98c78f887ae8c67f81b1e884c58a0d18af2d622718fd35623ffdeac9a78cbaedaa81d888434e824c683ad781c37895978c8688c426628ed61b216279b81b48887318a1628af43622a2619d162372");
+
+            var red = hash.GetChannel(PixelChannel.Red);
+            Assert.Equal(0.698, red.SrgbHuPhash(0), 3);
+            Assert.Equal(3.439, red.SrgbHuPhash(1), 3);
+            Assert.Equal(3.912, red.SrgbHuPhash(2), 3);
+            Assert.Equal(4.292, red.SrgbHuPhash(3), 3);
+            Assert.Equal(8.756, red.SrgbHuPhash(4), 3);
+            Assert.Equal(8.302, red.SrgbHuPhash(5), 3);
+            Assert.Equal(8.440, red.SrgbHuPhash(6), 3);
+
+            var green = hash.GetChannel(PixelChannel.Green);
+            Assert.Equal(0.694, green.SrgbHuPhash(0), 3);
+            Assert.Equal(3.399, green.SrgbHuPhash(1), 3);
+            Assert.Equal(4.117, green.SrgbHuPhash(2), 3);
+            Assert.Equal(4.484, green.SrgbHuPhash(3), 3);
+            Assert.Equal(8.817, green.SrgbHuPhash(4), 3);
+            Assert.Equal(6.482, green.SrgbHuPhash(5), 3);
+            Assert.Equal(9.215, green.SrgbHuPhash(6), 3);
+
+            var blue = hash.GetChannel(PixelChannel.Blue);
+            Assert.Equal(0.722, blue.SrgbHuPhash(0), 3);
+            Assert.Equal(3.830, blue.SrgbHuPhash(1), 3);
+            Assert.Equal(5.130, blue.SrgbHuPhash(2), 3);
+            Assert.Equal(5.021, blue.SrgbHuPhash(3), 3);
+            Assert.Equal(10.477, blue.SrgbHuPhash(4), 3);
+            Assert.Equal(6.945, blue.SrgbHuPhash(5), 3);
+            Assert.Equal(10.139, blue.SrgbHuPhash(6), 3);
+        }
     }
 }