Add test cases for #10937

Test that adding pipes to either MAVEN_OPTS or jvm.config does not break anything
Note: it is important that a jvm.config exists for the MAVEN_OPTS portion of the test to work

Author: BobVul

its/core-it-suite/src/test/java/org/apache/maven/it/MavenITgh10937QuotedPipesInMavenOptsTest.java

@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.maven.it;
+
+import java.nio.file.Path;
+import java.util.Properties;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * This is a test set for <a href="https://github.com/apache/maven/issues/10937">gh-10937</a>.
+ */
+class MavenITgh10937QuotedPipesInMavenOptsTest extends AbstractMavenIntegrationTestCase {
+
+    MavenITgh10937QuotedPipesInMavenOptsTest() {
+        super("[3.0.0,)");
+    }
+
+    /**
+     *  Verify the dependency management of the consumer POM is computed correctly
+     */
+    @Test
+    void testIt() throws Exception {
+        Path basedir = extractResources("/gh-10937-pipes-maven-opts").getAbsoluteFile().toPath();
+
+        Verifier verifier = newVerifier(basedir.toString());
+        verifier.setEnvironmentVariable("MAVEN_OPTS", "-Dprop.maven-opts=\"foo|bar\"");
+        verifier.addCliArguments("validate");
+        verifier.execute();
+        verifier.verifyErrorFreeLog();
+
+        Properties props = verifier.loadProperties("target/pom.properties");
+        assertEquals("foo|bar", props.getProperty("project.properties.pom.prop.jvm-opts"));
+        assertEquals("foo|bar", props.getProperty("project.properties.pom.prop.maven-opts"));
+    }
+}

its/core-it-suite/src/test/java/org/apache/maven/it/TestSuiteOrdering.java

@@ -103,6 +103,7 @@ public TestSuiteOrdering() {
          * the tests are to finishing. Newer tests are also more likely to fail, so this is
          * a fail fast technique as well.
          */
+        suite.addTestSuite(MavenITgh10937QuotedPipesInMavenOptsTest.class);
         suite.addTestSuite(MavenITgh2532DuplicateDependencyEffectiveModelTest.class);
         suite.addTestSuite(MavenITmng8736ConcurrentFileActivationTest.class);
         suite.addTestSuite(MavenITmng8744CIFriendlyTest.class);

its/core-it-suite/src/test/resources/gh-10937-pipes-maven-opts/.mvn/jvm.config

@@ -0,0 +1,2 @@
+# One comment
+-Dprop.jvm-opts="foo|bar"

its/core-it-suite/src/test/resources/gh-10937-pipes-maven-opts/pom.xml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.apache.maven.its.gh10937</groupId>
+  <artifactId>test</artifactId>
+  <version>1.0</version>
+
+  <name>Maven Integration Test :: GH-10937</name>
+  <description>Verify that JVM args can contain pipes.</description>
+
+  <properties>
+    <pom.prop.maven-opts>${prop.maven-opts}</pom.prop.maven-opts>
+    <pom.prop.jvm-opts>${prop.jvm-opts}</pom.prop.jvm-opts>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.its.plugins</groupId>
+        <artifactId>maven-it-plugin-expression</artifactId>
+        <version>2.1-SNAPSHOT</version>
+        <executions>
+          <execution>
+            <id>test</id>
+            <goals>
+              <goal>eval</goal>
+            </goals>
+            <phase>validate</phase>
+            <configuration>
+              <outputFile>target/pom.properties</outputFile>
+              <expressions>
+                <expression>project/properties</expression>
+              </expressions>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>