| /* |
| * Copyright (C) 2012 The Guava 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 com.google.common.base; |
| |
| import static com.google.common.base.StandardSystemProperty.JAVA_COMPILER; |
| import static com.google.common.base.StandardSystemProperty.JAVA_EXT_DIRS; |
| import static com.google.common.truth.Truth.assertWithMessage; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@link StandardSystemProperty}. |
| * |
| * @author Kurt Alfred Kluever |
| */ |
| public class StandardSystemPropertyTest extends TestCase { |
| |
| public void testGetKeyMatchesString() { |
| for (StandardSystemProperty property : StandardSystemProperty.values()) { |
| String fieldName = property.name(); |
| String expected = Ascii.toLowerCase(fieldName).replaceAll("_", "."); |
| assertEquals(expected, property.key()); |
| } |
| } |
| |
| public void testGetValue() { |
| for (StandardSystemProperty property : StandardSystemProperty.values()) { |
| assertEquals(System.getProperty(property.key()), property.value()); |
| } |
| } |
| |
| public void testToString() { |
| for (StandardSystemProperty property : StandardSystemProperty.values()) { |
| assertEquals(property.key() + "=" + property.value(), property.toString()); |
| } |
| } |
| |
| public void testNoNullValues() { |
| for (StandardSystemProperty property : StandardSystemProperty.values()) { |
| // Even though the contract in System.getProperties() specifies that a value will exist for |
| // all of the listed keys, for some reason the "java.compiler" key returns null in some JVMs. |
| if (property == JAVA_COMPILER) { |
| continue; |
| } |
| // Removed in Java 9: |
| // https://docs.oracle.com/javase/9/migrate/toc.htm#JSMIG-GUID-2C896CA8-927C-4381-A737-B1D81D964B7B |
| if (property == JAVA_EXT_DIRS) { |
| continue; |
| } |
| assertWithMessage(property.toString()).that(property.value()).isNotNull(); |
| } |
| } |
| } |