Merge branch '1.5.x'

spring-boot-test/src/test/java/org/springframework/boot/test/json/DuplicateJsonObjectContextCustomizerFactoryTests.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2012-2017 the original author or authors.
+ *
+ * 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 org.springframework.boot.test.json;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.boot.junit.runner.classpath.ClassPathOverrides;
+import org.springframework.boot.junit.runner.classpath.ModifiedClassPathRunner;
+import org.springframework.boot.test.rule.OutputCapture;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link DuplicateJsonObjectContextCustomizerFactory}.
+ *
+ * @author Andy Wilkinson
+ */
+@RunWith(ModifiedClassPathRunner.class)
+@ClassPathOverrides("org.json:json:20140107")
+public class DuplicateJsonObjectContextCustomizerFactoryTests {
+
+	@Rule
+	public OutputCapture output = new OutputCapture();
+
+	@Test
+	public void warningForMultipleVersions() {
+		new DuplicateJsonObjectContextCustomizerFactory()
+				.createContextCustomizer(null, null).customizeContext(null, null);
+		assertThat(this.output.toString()).contains(
+				"Found multiple occurrences of org.json.JSONObject on the class path:");
+	}
+
+}