Change the oneOf to anyOf for Double/Single/Int64

src/Microsoft.OpenApi.OData.Reader/Generator/OpenApiEdmTypeSchemaGenerator.cs

@@ -182,7 +182,7 @@ namespace Microsoft.OpenApi.OData.Generator
                     schema.Format = "decimal";
                     break;
                 case EdmPrimitiveTypeKind.Double: // double
-                    schema.OneOf = new List<OpenApiSchema>
+                    schema.AnyOf = new List<OpenApiSchema>
                     {
                         new OpenApiSchema { Type = "number" },
                         new OpenApiSchema { Type = "string" },
@@ -199,7 +199,7 @@ namespace Microsoft.OpenApi.OData.Generator
                     schema.Format = "double";
                     break;
                 case EdmPrimitiveTypeKind.Single: // single
-                    schema.OneOf = new List<OpenApiSchema>
+                    schema.AnyOf = new List<OpenApiSchema>
                     {
                         new OpenApiSchema { Type = "number" },
                         new OpenApiSchema { Type = "string" },

test/Microsoft.OpenAPI.OData.Reader.Tests/Generator/OpenApiEdmTypeSchemaGeneratorTest.cs

@@ -448,8 +448,10 @@ namespace Microsoft.OpenApi.OData.Tests
             Assert.Equal("double", schema.Format);
             Assert.Equal(isNullable, schema.Nullable);
 
-            Assert.NotNull(schema.OneOf);
-            Assert.Equal(3, schema.OneOf.Count);
+            Assert.Null(schema.OneOf);
+
+            Assert.NotNull(schema.AnyOf);
+            Assert.Equal(3, schema.AnyOf.Count);
         }
 
         [Theory]
@@ -472,8 +474,10 @@ namespace Microsoft.OpenApi.OData.Tests
             Assert.Equal("float", schema.Format);
             Assert.Equal(isNullable, schema.Nullable);
 
-            Assert.NotNull(schema.OneOf);
-            Assert.Equal(3, schema.OneOf.Count);
+            Assert.Null(schema.OneOf);
+
+            Assert.NotNull(schema.AnyOf);
+            Assert.Equal(3, schema.AnyOf.Count);
         }
         #endregion
     }

test/Microsoft.OpenAPI.OData.Reader.Tests/Generator/OpenApiSchemaGeneratorTests.cs

@@ -536,7 +536,7 @@ namespace Microsoft.OpenApi.OData.Tests
             string json = schema.SerializeAsJson(OpenApiSpecVersion.OpenApi3_0);
 
             Assert.Equal(@"{
-  ""oneOf"": [
+  ""anyOf"": [
     {
       ""type"": ""number""
     },

test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.json

@@ -1941,7 +1941,7 @@
             "in": "path",
             "required": true,
             "schema": {
-              "oneOf": [
+              "anyOf": [
                 {
                   "type": "number"
                 },
@@ -1964,7 +1964,7 @@
             "in": "path",
             "required": true,
             "schema": {
-              "oneOf": [
+              "anyOf": [
                 {
                   "type": "number"
                 },
@@ -2335,7 +2335,7 @@
             "nullable": true
           },
           "Budget": {
-            "oneOf": [
+            "anyOf": [
               {
                 "type": "number"
               },

test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.yaml

@@ -1294,7 +1294,7 @@ paths:
           in: path
           required: true
           schema:
-            oneOf:
+            anyOf:
               - type: number
               - type: string
               - enum:
@@ -1306,7 +1306,7 @@ paths:
           in: path
           required: true
           schema:
-            oneOf:
+            anyOf:
               - type: number
               - type: string
               - enum:
@@ -1532,7 +1532,7 @@ components:
           type: string
           nullable: true
         Budget:
-          oneOf:
+          anyOf:
             - type: number
             - type: string
             - enum: