add the last 7 testcases and refactor test to use TestCase

tests/SharpGLTF.Cesium.Tests/GenericTests.cs

@@ -0,0 +1,46 @@
+using NUnit.Framework;
+using SharpGLTF.Schema2;
+using SharpGLTF.Schema2.Tiles3D;
+using SharpGLTF.Validation;
+using System;
+using System.IO;
+
+namespace SharpGLTF
+{
+
+    [Category("Toolkit.Scenes")]
+    public class ExtStructuralMetadataTests
+    {
+        [SetUp]
+        public void SetUp()
+        {
+            Tiles3DExtensions.RegisterExtensions();
+        }
+
+        // Test files are from https://github.com/CesiumGS/3d-tiles-validator/tree/main/specs/data/gltfExtensions/
+
+        [Test(Description = "Reads generic 3D Tiles glTF's")]
+        // todo: [TestCase("FeatureIdAttributeAndPropertyTableFeatureIdNotInRange.gltf, typeof(ModelException)")]
+        [TestCase("FeatureIdAttributePropertyTableInvalidValue.gltf", typeof(ModelException)]
+        [TestCase("FeatureIdAttributePropertyTableWithoutPropertyTables.gltf", typeof(ModelException))]
+        [TestCase("FeatureIdAttributePropertyTableWithoutStructuralMetadata.gltf", typeof(ModelException))]
+        [TestCase("FeatureIdTextureAndPropertyTableFeatureIdNotInRange.gltf", typeof(ModelException))]
+        [TestCase("ValidFeatureIdAttributeAndPropertyTable.gltf", null)]
+        [TestCase("ValidFeatureIdTextureAndPropertyTable.gltf", null)]
+        public void ReadGenericFiles(string file, Type exception = null)
+        {
+            var fileName = $"./testfixtures/{file}";
+
+            if (exception != null)
+            {
+                Assert.Throws(exception, delegate { ModelRoot.Load(fileName); });
+            }
+            else
+            {
+                var model = ModelRoot.Load(fileName);
+                var ctx = new ValidationResult(model, ValidationMode.Strict, true);
+                model.ValidateContent(ctx.GetContext());
+            }
+        }
+    }
+}

tests/SharpGLTF.Cesium.Tests/testfixtures/FeatureIdAttributeAndPropertyTableFeatureIdNotInRange.gltf

@@ -0,0 +1,141 @@
+{
+  "extensions" : {
+    "EXT_structural_metadata" : {
+      "schema" : {
+        "id": "FeatureIdAttributeAndPropertyTableSchema",
+        "classes" : {
+          "exampleMetadataClass" : {
+            "name" : "Example metadata class",
+            "description" : "An example metadata class",
+            "properties" : {
+              "example_VEC3_FLOAT32" : {
+                "name" : "Example VEC3 FLOAT32 property",
+                "description" : "An example property, with type VEC3, with component type FLOAT32",
+                "type" : "VEC3",
+                "componentType" : "FLOAT32"
+              }
+            }
+          }
+        }
+      },
+      "propertyTables" : [ {
+        "name" : "Example property table",
+        "class" : "exampleMetadataClass",
+        "count" : 4,
+        "properties" : {
+          "example_VEC3_FLOAT32" : {
+            "values" : 4
+          }
+        }
+      } ]
+    }
+  },
+  "extensionsUsed" : [ "EXT_mesh_features", "EXT_structural_metadata" ],
+  "accessors" : [ {
+    "bufferView" : 0,
+    "byteOffset" : 0,
+    "componentType" : 5123,
+    "count" : 24,
+    "type" : "SCALAR",
+    "max" : [ 15 ],
+    "min" : [ 0 ]
+  }, {
+    "bufferView" : 1,
+    "byteOffset" : 0,
+    "componentType" : 5126,
+    "count" : 16,
+    "type" : "VEC3",
+    "max" : [ 1.0, 1.0, 0.0 ],
+    "min" : [ 0.0, 0.0, 0.0 ]
+  }, {
+    "bufferView" : 2,
+    "byteOffset" : 0,
+    "componentType" : 5126,
+    "count" : 16,
+    "type" : "VEC3",
+    "max" : [ 0.0, 0.0, 1.0 ],
+    "min" : [ 0.0, 0.0, 1.0 ]
+  }, {
+    "bufferView" : 3,
+    "byteOffset" : 0,
+    "componentType" : 5120,
+    "count" : 16,
+    "type" : "SCALAR",
+    "max" : [ 123 ],
+    "min" : [ -123 ]
+  } ],
+  "asset" : {
+    "generator" : "JglTF from https://github.com/javagl/JglTF",
+    "version" : "2.0"
+  },
+  "buffers" : [ {
+    "uri" : "data:application/gltf-buffer;base64,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",
+    "byteLength" : 496
+  }, {
+    "uri" : "data:application/gltf-buffer;base64,AAAAAM3MzD3NzEw+AACAP83MjD+amZk/AAAAQGZmBkDNzAxAAABAQGZmRkDNzExA",
+    "byteLength" : 48
+  } ],
+  "bufferViews" : [ {
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+    "target" : 34962
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+    "byteLength" : 192,
+    "target" : 34962
+  }, {
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+    "byteLength" : 64,
+    "byteStride" : 4,
+    "target" : 34962
+  }, {
+    "buffer" : 1,
+    "byteOffset" : 0,
+    "byteLength" : 48
+  } ],
+  "materials" : [ {
+    "pbrMetallicRoughness" : {
+      "baseColorFactor" : [ 0.5, 1.0, 0.5, 1.0 ],
+      "metallicFactor" : 0.0,
+      "roughnessFactor" : 1.0
+    },
+    "alphaMode" : "OPAQUE",
+    "doubleSided" : true
+  } ],
+  "meshes" : [ {
+    "primitives" : [ {
+      "extensions" : {
+        "EXT_mesh_features" : {
+          "featureIds" : [ {
+            "featureCount" : 4,
+            "attribute" : 0,
+            "propertyTable" : 0
+          } ]
+        }
+      },
+      "attributes" : {
+        "POSITION" : 1,
+        "NORMAL" : 2,
+        "_FEATURE_ID_0" : 3
+      },
+      "indices" : 0,
+      "material" : 0,
+      "mode" : 4
+    } ]
+  } ],
+  "nodes" : [ {
+    "mesh" : 0
+  } ],
+  "scene" : 0,
+  "scenes" : [ {
+    "nodes" : [ 0 ]
+  } ]
+}

tests/SharpGLTF.Cesium.Tests/testfixtures/FeatureIdAttributePropertyTableInvalidValue.gltf

@@ -0,0 +1,141 @@
+{
+  "extensions" : {
+    "EXT_structural_metadata" : {
+      "schema" : {
+        "id": "FeatureIdAttributeAndPropertyTableSchema",
+        "classes" : {
+          "exampleMetadataClass" : {
+            "name" : "Example metadata class",
+            "description" : "An example metadata class",
+            "properties" : {
+              "example_VEC3_FLOAT32" : {
+                "name" : "Example VEC3 FLOAT32 property",
+                "description" : "An example property, with type VEC3, with component type FLOAT32",
+                "type" : "VEC3",
+                "componentType" : "FLOAT32"
+              }
+            }
+          }
+        }
+      },
+      "propertyTables" : [ {
+        "name" : "Example property table",
+        "class" : "exampleMetadataClass",
+        "count" : 4,
+        "properties" : {
+          "example_VEC3_FLOAT32" : {
+            "values" : 4
+          }
+        }
+      } ]
+    }
+  },
+  "extensionsUsed" : [ "EXT_mesh_features", "EXT_structural_metadata" ],
+  "accessors" : [ {
+    "bufferView" : 0,
+    "byteOffset" : 0,
+    "componentType" : 5123,
+    "count" : 24,
+    "type" : "SCALAR",
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+    "min" : [ 0 ]
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+    "bufferView" : 1,
+    "byteOffset" : 0,
+    "componentType" : 5126,
+    "count" : 16,
+    "type" : "VEC3",
+    "max" : [ 1.0, 1.0, 0.0 ],
+    "min" : [ 0.0, 0.0, 0.0 ]
+  }, {
+    "bufferView" : 2,
+    "byteOffset" : 0,
+    "componentType" : 5126,
+    "count" : 16,
+    "type" : "VEC3",
+    "max" : [ 0.0, 0.0, 1.0 ],
+    "min" : [ 0.0, 0.0, 1.0 ]
+  }, {
+    "bufferView" : 3,
+    "byteOffset" : 0,
+    "componentType" : 5121,
+    "count" : 16,
+    "type" : "SCALAR",
+    "max" : [ 3 ],
+    "min" : [ 0 ]
+  } ],
+  "asset" : {
+    "generator" : "JglTF from https://github.com/javagl/JglTF",
+    "version" : "2.0"
+  },
+  "buffers" : [ {
+    "uri" : "data:application/gltf-buffer;base64,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",
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+  }, {
+    "uri" : "data:application/gltf-buffer;base64,AAAAAM3MzD3NzEw+AACAP83MjD+amZk/AAAAQGZmBkDNzAxAAABAQGZmRkDNzExA",
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+  } ],
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+    "target" : 34962
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+    "target" : 34962
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+    "byteStride" : 4,
+    "target" : 34962
+  }, {
+    "buffer" : 1,
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+  } ],
+  "materials" : [ {
+    "pbrMetallicRoughness" : {
+      "baseColorFactor" : [ 0.5, 1.0, 0.5, 1.0 ],
+      "metallicFactor" : 0.0,
+      "roughnessFactor" : 1.0
+    },
+    "alphaMode" : "OPAQUE",
+    "doubleSided" : true
+  } ],
+  "meshes" : [ {
+    "primitives" : [ {
+      "extensions" : {
+        "EXT_mesh_features" : {
+          "featureIds" : [ {
+            "featureCount" : 4,
+            "attribute" : 0,
+            "propertyTable" : 12345
+          } ]
+        }
+      },
+      "attributes" : {
+        "POSITION" : 1,
+        "NORMAL" : 2,
+        "_FEATURE_ID_0" : 3
+      },
+      "indices" : 0,
+      "material" : 0,
+      "mode" : 4
+    } ]
+  } ],
+  "nodes" : [ {
+    "mesh" : 0
+  } ],
+  "scene" : 0,
+  "scenes" : [ {
+    "nodes" : [ 0 ]
+  } ]
+}

tests/SharpGLTF.Cesium.Tests/testfixtures/FeatureIdAttributePropertyTableWithoutPropertyTables.gltf

@@ -0,0 +1,131 @@
+{
+  "extensions" : {
+    "EXT_structural_metadata" : {
+      "schema" : {
+        "id": "FeatureIdAttributeAndPropertyTableSchema",
+        "classes" : {
+          "exampleMetadataClass" : {
+            "name" : "Example metadata class",
+            "description" : "An example metadata class",
+            "properties" : {
+              "example_VEC3_FLOAT32" : {
+                "name" : "Example VEC3 FLOAT32 property",
+                "description" : "An example property, with type VEC3, with component type FLOAT32",
+                "type" : "VEC3",
+                "componentType" : "FLOAT32"
+              }
+            }
+          }
+        }
+      } 
+    }
+  },
+  "extensionsUsed" : [ "EXT_mesh_features", "EXT_structural_metadata" ],
+  "accessors" : [ {
+    "bufferView" : 0,
+    "byteOffset" : 0,
+    "componentType" : 5123,
+    "count" : 24,
+    "type" : "SCALAR",
+    "max" : [ 15 ],
+    "min" : [ 0 ]
+  }, {
+    "bufferView" : 1,
+    "byteOffset" : 0,
+    "componentType" : 5126,
+    "count" : 16,
+    "type" : "VEC3",
+    "max" : [ 1.0, 1.0, 0.0 ],
+    "min" : [ 0.0, 0.0, 0.0 ]
+  }, {
+    "bufferView" : 2,
+    "byteOffset" : 0,
+    "componentType" : 5126,
+    "count" : 16,
+    "type" : "VEC3",
+    "max" : [ 0.0, 0.0, 1.0 ],
+    "min" : [ 0.0, 0.0, 1.0 ]
+  }, {
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+    "byteOffset" : 0,
+    "componentType" : 5121,
+    "count" : 16,
+    "type" : "SCALAR",
+    "max" : [ 3 ],
+    "min" : [ 0 ]
+  } ],
+  "asset" : {
+    "generator" : "JglTF from https://github.com/javagl/JglTF",
+    "version" : "2.0"
+  },
+  "buffers" : [ {
+    "uri" : "data:application/gltf-buffer;base64,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",
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+  }, {
+    "uri" : "data:application/gltf-buffer;base64,AAAAAM3MzD3NzEw+AACAP83MjD+amZk/AAAAQGZmBkDNzAxAAABAQGZmRkDNzExA",
+    "byteLength" : 48
+  } ],
+  "bufferViews" : [ {
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+    "byteOffset" : 0,
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+    "target" : 34963
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+    "target" : 34962
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+    "byteLength" : 192,
+    "target" : 34962
+  }, {
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+    "byteLength" : 64,
+    "byteStride" : 4,
+    "target" : 34962
+  }, {
+    "buffer" : 1,
+    "byteOffset" : 0,
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+  } ],
+  "materials" : [ {
+    "pbrMetallicRoughness" : {
+      "baseColorFactor" : [ 0.5, 1.0, 0.5, 1.0 ],
+      "metallicFactor" : 0.0,
+      "roughnessFactor" : 1.0
+    },
+    "alphaMode" : "OPAQUE",
+    "doubleSided" : true
+  } ],
+  "meshes" : [ {
+    "primitives" : [ {
+      "extensions" : {
+        "EXT_mesh_features" : {
+          "featureIds" : [ {
+            "featureCount" : 4,
+            "attribute" : 0,
+            "propertyTable" : 0
+          } ]
+        }
+      },
+      "attributes" : {
+        "POSITION" : 1,
+        "NORMAL" : 2,
+        "_FEATURE_ID_0" : 3
+      },
+      "indices" : 0,
+      "material" : 0,
+      "mode" : 4
+    } ]
+  } ],
+  "nodes" : [ {
+    "mesh" : 0
+  } ],
+  "scene" : 0,
+  "scenes" : [ {
+    "nodes" : [ 0 ]
+  } ]
+}

tests/SharpGLTF.Cesium.Tests/testfixtures/FeatureIdAttributePropertyTableWithoutStructuralMetadata.gltf

@@ -0,0 +1,110 @@
+{
+  "extensionsUsed" : [ "EXT_mesh_features" ],
+  "accessors" : [ {
+    "bufferView" : 0,
+    "byteOffset" : 0,
+    "componentType" : 5123,
+    "count" : 24,
+    "type" : "SCALAR",
+    "max" : [ 15 ],
+    "min" : [ 0 ]
+  }, {
+    "bufferView" : 1,
+    "byteOffset" : 0,
+    "componentType" : 5126,
+    "count" : 16,
+    "type" : "VEC3",
+    "max" : [ 1.0, 1.0, 0.0 ],
+    "min" : [ 0.0, 0.0, 0.0 ]
+  }, {
+    "bufferView" : 2,
+    "byteOffset" : 0,
+    "componentType" : 5126,
+    "count" : 16,
+    "type" : "VEC3",
+    "max" : [ 0.0, 0.0, 1.0 ],
+    "min" : [ 0.0, 0.0, 1.0 ]
+  }, {
+    "bufferView" : 3,
+    "byteOffset" : 0,
+    "componentType" : 5121,
+    "count" : 16,
+    "type" : "SCALAR",
+    "max" : [ 3 ],
+    "min" : [ 0 ]
+  } ],
+  "asset" : {
+    "generator" : "JglTF from https://github.com/javagl/JglTF",
+    "version" : "2.0"
+  },
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+    "target" : 34962
+  }, {
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+  } ],
+  "materials" : [ {
+    "pbrMetallicRoughness" : {
+      "baseColorFactor" : [ 0.5, 1.0, 0.5, 1.0 ],
+      "metallicFactor" : 0.0,
+      "roughnessFactor" : 1.0
+    },
+    "alphaMode" : "OPAQUE",
+    "doubleSided" : true
+  } ],
+  "meshes" : [ {
+    "primitives" : [ {
+      "extensions" : {
+        "EXT_mesh_features" : {
+          "featureIds" : [ {
+            "featureCount" : 4,
+            "attribute" : 0,
+            "propertyTable" : 12345
+          } ]
+        }
+      },
+      "attributes" : {
+        "POSITION" : 1,
+        "NORMAL" : 2,
+        "_FEATURE_ID_0" : 3
+      },
+      "indices" : 0,
+      "material" : 0,
+      "mode" : 4
+    } ]
+  } ],
+  "nodes" : [ {
+    "mesh" : 0
+  } ],
+  "scene" : 0,
+  "scenes" : [ {
+    "nodes" : [ 0 ]
+  } ]
+}

tests/SharpGLTF.Cesium.Tests/testfixtures/ValidFeatureIdAttributeAndPropertyTable.gltf

@@ -0,0 +1,141 @@
+{
+  "extensions" : {
+    "EXT_structural_metadata" : {
+      "schema" : {
+        "id": "FeatureIdAttributeAndPropertyTableSchema",
+        "classes" : {
+          "exampleMetadataClass" : {
+            "name" : "Example metadata class",
+            "description" : "An example metadata class",
+            "properties" : {
+              "example_VEC3_FLOAT32" : {
+                "name" : "Example VEC3 FLOAT32 property",
+                "description" : "An example property, with type VEC3, with component type FLOAT32",
+                "type" : "VEC3",
+                "componentType" : "FLOAT32"
+              }
+            }
+          }
+        }
+      },
+      "propertyTables" : [ {
+        "name" : "Example property table",
+        "class" : "exampleMetadataClass",
+        "count" : 4,
+        "properties" : {
+          "example_VEC3_FLOAT32" : {
+            "values" : 4
+          }
+        }
+      } ]
+    }
+  },
+  "extensionsUsed" : [ "EXT_mesh_features", "EXT_structural_metadata" ],
+  "accessors" : [ {
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+    "byteOffset" : 0,
+    "componentType" : 5123,
+    "count" : 24,
+    "type" : "SCALAR",
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+    "min" : [ 0 ]
+  }, {
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+    "byteOffset" : 0,
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