Candidate release of source code.

gradleScripts/setupJacoco.gradle

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+/*********************************************************************************
+ * Configuration for jacoco tasks.
+ *********************************************************************************/
+
+// 'jacocoEnabled' will enable jacocoMerge, jacocoBranchReport and jacocoReport if these tasks are 
+// specified on the cmd line.
+// Applying jacoco plugin will create coverage files for each java Test task. This extra analysis 
+// slows down the overall Test task, so only enable jacoco when specified on the cmd line.
+project.ext.jacocoEnabled = (project.gradle.startParameter.taskNames.contains('jacocoMerge') ||
+								project.gradle.startParameter.taskNames.contains('jacocoBranchReport') ||
+								project.gradle.startParameter.taskNames.contains('jacocoReport'))
+
+// Apply jacoco plugin to root and subprojects. This will create coverage files for each java Test task.
+if (jacocoEnabled) {
+	allprojects {
+		apply plugin:'jacoco'
+		dependencies {
+			jacocoAnt 'org.jacoco:org.jacoco.ant:0.8.2'
+			jacocoAgent 'org.jacoco:org.jacoco.agent:0.8.2'
+		}
+	}
+}
+
+subprojects {
+	// Clean any jacoco files that may have been left behind previously.
+	clean {
+		doFirst{
+			logger.debug("Deleting subproject jacoco execution data directory: $buildDir/jacoco/")
+			file("$buildDir/jacoco/").deleteDir() // delete jacoco executionData files in individual subprojects
+
+			logger.debug("Deleting root project jacoco execution data directory: $rootProject.buildDir/jacoco/")
+			file("$rootProject.buildDir/jacoco/").deleteDir() // delete jacocoMerge task output
+
+			logger.debug("Deleting jacoco report directory: $rootProject.buildDir/reports/jacoco/")
+			file("$rootProject.buildDir/reports/jacoco/").deleteDir() // delete jacocoReport, jacocoBranchReport output
+		}
+	}
+}
+