diff --git a/crd-generator/api-v2/src/test/java/io/fabric8/crdv2/generator/v1/JsonSchemaValidationTest.java b/crd-generator/api-v2/src/test/java/io/fabric8/crdv2/generator/v1/JsonSchemaValidationTest.java
new file mode 100644
index 0000000000..0ffec7ac77
--- /dev/null
+++ b/crd-generator/api-v2/src/test/java/io/fabric8/crdv2/generator/v1/JsonSchemaValidationTest.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2015 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.fabric8.crdv2.generator.v1;
+
+import io.fabric8.generator.annotation.Max;
+import io.fabric8.generator.annotation.Min;
+import io.fabric8.generator.annotation.Size;
+import io.fabric8.kubernetes.api.model.apiextensions.v1.JSONSchemaProps;
+import lombok.Getter;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class JsonSchemaValidationTest {
+
+  @Getter
+  private static final class ClassInTest {
+    @Min(1)
+    @Max(3)
+    private Integer integerMin1Max3;
+
+    @Min(value = 1, inclusive = false)
+    @Max(value = 3, inclusive = false)
+    private Integer integerMinExclusive1MaxExclusive3;
+
+    @Size(min = 1, max = 3)
+    private String stringMin1Max3;
+
+    @Size(min = 1, max = 3)
+    private List<String> listMin1Max3;
+
+    @Size(min = 1, max = 3)
+    private Map<String, String> mapMin1Max3;
+  }
+
+  @Test
+  @DisplayName("Min and Max can be combined")
+  void integerMin1Max3() {
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("integerMin1Max3"))
+        .extracting(JSONSchemaProps::getMinimum)
+        .isEqualTo(1.0);
+
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("integerMin1Max3"))
+        .extracting(JSONSchemaProps::getMaximum)
+        .isEqualTo(3.0);
+  }
+
+  @Test
+  @DisplayName("Exclusive Min and exclusive Max can be combined")
+  void integerMinExclusive1MaxExclusive3() {
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("integerMinExclusive1MaxExclusive3"))
+        .extracting(JSONSchemaProps::getMinimum)
+        .isEqualTo(1.0);
+
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("integerMinExclusive1MaxExclusive3"))
+        .extracting(JSONSchemaProps::getExclusiveMinimum)
+        .isEqualTo(true);
+
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("integerMinExclusive1MaxExclusive3"))
+        .extracting(JSONSchemaProps::getMaximum)
+        .isEqualTo(3.0);
+
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("integerMinExclusive1MaxExclusive3"))
+        .extracting(JSONSchemaProps::getExclusiveMaximum)
+        .isEqualTo(true);
+  }
+
+  @Test
+  @DisplayName("Strings can have size limits")
+  void stringMin1Max3() {
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("stringMin1Max3"))
+        .extracting(JSONSchemaProps::getMinLength)
+        .isEqualTo(1L);
+
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("stringMin1Max3"))
+        .extracting(JSONSchemaProps::getMaxLength)
+        .isEqualTo(3L);
+  }
+
+  @Test
+  @DisplayName("Lists can have size limits")
+  void listMin1Max3() {
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("listMin1Max3"))
+        .extracting(JSONSchemaProps::getMinItems)
+        .isEqualTo(1L);
+
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("listMin1Max3"))
+        .extracting(JSONSchemaProps::getMaxItems)
+        .isEqualTo(3L);
+  }
+
+  @Test
+  @DisplayName("Maps can have size limits")
+  void mapMin1Max3() {
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("mapMin1Max3"))
+        .extracting(JSONSchemaProps::getMinProperties)
+        .isEqualTo(1L);
+
+    assertThat(JsonSchema.from(ClassInTest.class).getProperties())
+        .extracting(props -> props.get("mapMin1Max3"))
+        .extracting(JSONSchemaProps::getMaxProperties)
+        .isEqualTo(3L);
+  }
+
+}