Gradle: add an optional JaCoCo testCodeCoverageReport task to the b…

…uild

README.md

@@ -77,6 +77,21 @@ Note that several of those tests are failing (a few being unfinished).
 
 <br/>
 
+#### Code coverage
+
+Generate a JaCoCo code coverage report with:
+```shell
+./gradlew testCodeCoverageReport
+```
+The XML and HTML reports can be found under the `echosvg-all/build/reports/jacoco/testCodeCoverageReport`
+directory, with the index file for the HTML report being at
+```
+echosvg-all/build/reports/jacoco/testCodeCoverageReport/html/index.html
+```
+Pull Requests aimed to increase the code coverage would be welcome.
+
+<br/>
+
 ### Benchmarks
 
 This project uses [JMH](https://github.com/openjdk/jmh) for benchmarking. To run

buildSrc/src/main/groovy/echosvg.java-conventions.gradle

@@ -3,6 +3,7 @@ plugins {
 	id 'maven-publish'
 	id 'org.owasp.dependencycheck'
 	id 'checkstyle'
+	id 'jacoco'
 	id 'com.github.jk1.dependency-license-report'
 }
 
@@ -184,6 +185,11 @@ tasks.withType(AbstractArchiveTask).configureEach {
 	}
 }
 
+// jacoco
+jacocoTestReport {
+	dependsOn test
+}
+
 // Check licenses
 licenseReport {
 	allowedLicensesFile = new File("$rootDir/buildSrc/allowed-licenses.json")

echosvg-all/build.gradle

@@ -1,5 +1,6 @@
 plugins {
 	id 'org.ajoberstar.grgit'
+	id 'jacoco-report-aggregation'
 	id 'echosvg.java-conventions'
 }
 
@@ -15,6 +16,33 @@ dependencies {
 	api project(':echosvg-svgpp')
 	api project(':echosvg-ttf2svg')
 	api project(':echosvg-svgrasterizer')
+
+	// JaCoCo
+	jacocoAggregation project(':echosvg-anim')
+	jacocoAggregation project(':echosvg-awt-util')
+	jacocoAggregation project(':echosvg-bridge')
+	jacocoAggregation project(':echosvg-codec')
+	jacocoAggregation project(':echosvg-constants')
+	jacocoAggregation project(':echosvg-css')
+	jacocoAggregation project(':echosvg-dom')
+	jacocoAggregation project(':echosvg-ext')
+	jacocoAggregation project(':echosvg-extension')
+	jacocoAggregation project(':echosvg-gui-util')
+	jacocoAggregation project(':echosvg-gvt')
+	jacocoAggregation project(':echosvg-i18n')
+	jacocoAggregation project(':echosvg-parser')
+	jacocoAggregation project(':echosvg-script')
+	jacocoAggregation project(':echosvg-slideshow')
+	jacocoAggregation project(':echosvg-svg-dom')
+	jacocoAggregation project(':echosvg-svggen')
+	jacocoAggregation project(':echosvg-svgpp')
+	jacocoAggregation project(':echosvg-svgrasterizer')
+	jacocoAggregation project(':echosvg-swing')
+	jacocoAggregation project(':echosvg-test')
+	jacocoAggregation project(':echosvg-transcoder')
+	jacocoAggregation project(':echosvg-ttf2svg')
+	jacocoAggregation project(':echosvg-util')
+	jacocoAggregation project(':echosvg-xml')
 }
 
 publishing.publications.maven(MavenPublication).pom {