diff --git a/encoding/openapi/testdata/array.cue b/encoding/openapi/testdata/array.cue
new file mode 100644
index 0000000..3261f81
--- /dev/null
+++ b/encoding/openapi/testdata/array.cue
@@ -0,0 +1,19 @@
+Arrays: {
+	bar?: [...MyEnum]
+	foo?: [...MyStruct]
+}
+
+Arrays: {
+	bar?: [...MyEnum]
+	foo?: [...MyStruct]
+}
+
+// MyStruct
+MyStruct: {
+	a?: int
+	e?: [...MyEnum]
+	e?: [...MyEnum]
+}
+
+// MyEnum
+MyEnum: *"1" | "2" | "3"
diff --git a/encoding/openapi/testdata/array.json b/encoding/openapi/testdata/array.json
new file mode 100644
index 0000000..4b29400
--- /dev/null
+++ b/encoding/openapi/testdata/array.json
@@ -0,0 +1,74 @@
+{
+   "openapi": "3.0.0",
+   "components": {
+      "schema": {
+         "Arrays": {
+            "type": "object",
+            "properties": {
+               "bar": {
+                  "type": "array",
+                  "items": {
+                     "enum": [
+                        "1",
+                        "2",
+                        "3"
+                     ],
+                     "default": "1"
+                  }
+               },
+               "foo": {
+                  "type": "array",
+                  "items": {
+                     "type": "object",
+                     "properties": {
+                        "a": {
+                           "type": "integer"
+                        },
+                        "e": {
+                           "type": "array",
+                           "items": {
+                              "enum": [
+                                 "1",
+                                 "2",
+                                 "3"
+                              ],
+                              "default": "1"
+                           }
+                        }
+                     }
+                  }
+               }
+            }
+         },
+         "MyEnum": {
+            "description": "MyEnum",
+            "enum": [
+               "1",
+               "2",
+               "3"
+            ],
+            "default": "1"
+         },
+         "MyStruct": {
+            "description": "MyStruct",
+            "type": "object",
+            "properties": {
+               "a": {
+                  "type": "integer"
+               },
+               "e": {
+                  "type": "array",
+                  "items": {
+                     "enum": [
+                        "1",
+                        "2",
+                        "3"
+                     ],
+                     "default": "1"
+                  }
+               }
+            }
+         }
+      }
+   }
+}
\ No newline at end of file
diff --git a/encoding/openapi/testdata/oneof.json b/encoding/openapi/testdata/oneof.json
index c526b28..ce39ad4 100644
--- a/encoding/openapi/testdata/oneof.json
+++ b/encoding/openapi/testdata/oneof.json
@@ -11,7 +11,8 @@
                   ],
                   "properties": {
                      "exact": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      }
                   }
                },
@@ -22,7 +23,8 @@
                   ],
                   "properties": {
                      "regex": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      }
                   }
                }
diff --git a/encoding/openapi/testdata/openapi-norefs.json b/encoding/openapi/testdata/openapi-norefs.json
index 0094bd8..00803cd 100644
--- a/encoding/openapi/testdata/openapi-norefs.json
+++ b/encoding/openapi/testdata/openapi-norefs.json
@@ -15,7 +15,8 @@
                      "bar": {
                         "type": "array",
                         "items": {
-                           "type": "string"
+                           "type": "string",
+                           "format": "string"
                         }
                      },
                      "foo": {
@@ -68,7 +69,8 @@
                         ],
                         "properties": {
                            "b": {
-                              "type": "string"
+                              "type": "string",
+                              "format": "string"
                            }
                         }
                      }
@@ -96,8 +98,7 @@
          },
          "Int32": {
             "type": "integer",
-            "minimum": -2147483648,
-            "maximum": 2147483647
+            "format": "int32"
          },
          "YourMessage": {
             "oneOf": [
@@ -108,10 +109,12 @@
                   ],
                   "properties": {
                      "a": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      },
                      "b": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      }
                   }
                },
@@ -122,7 +125,8 @@
                   ],
                   "properties": {
                      "a": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      },
                      "b": {
                         "type": "number"
@@ -233,7 +237,8 @@
                   ],
                   "properties": {
                      "a": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      }
                   }
                }
diff --git a/encoding/openapi/testdata/openapi.json b/encoding/openapi/testdata/openapi.json
index 7409a75..c0ef7db 100644
--- a/encoding/openapi/testdata/openapi.json
+++ b/encoding/openapi/testdata/openapi.json
@@ -15,7 +15,8 @@
                      "bar": {
                         "type": "array",
                         "items": {
-                           "type": "string"
+                           "type": "string",
+                           "format": "string"
                         }
                      },
                      "foo": {
@@ -61,7 +62,8 @@
                         ],
                         "properties": {
                            "b": {
-                              "type": "string"
+                              "type": "string",
+                              "format": "string"
                            }
                         }
                      }
@@ -89,8 +91,7 @@
          },
          "Int32": {
             "type": "integer",
-            "minimum": -2147483648,
-            "maximum": 2147483647
+            "format": "int32"
          },
          "YourMessage": {
             "oneOf": [
@@ -101,10 +102,12 @@
                   ],
                   "properties": {
                      "a": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      },
                      "b": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      }
                   }
                },
@@ -115,7 +118,8 @@
                   ],
                   "properties": {
                      "a": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      },
                      "b": {
                         "type": "number"
@@ -226,7 +230,8 @@
                   ],
                   "properties": {
                      "a": {
-                        "type": "string"
+                        "type": "string",
+                        "format": "string"
                      }
                   }
                }