builder.addAll(CollectionUtils.stringize(getCompilerArgs()));
        for (CommandLineArgumentProvider compilerArgumentProvider : getCompilerArgumentProviders()) {
            builder.addAll(compilerArgumentProvider.asArguments());
        }
        return builder.build();
    }

    /**
     * Compiler argument providers.
     *
     * @since 4.5
     */
    @Nested

        this.gradleDistribution = new GradleDistribution(gradleHomeDir)
        this.testTaskClasspath = testTask.classpath
        this.repoRoot = repoRoot(project)
    }

    @Override
    Iterable<String> asArguments() {
        def distributionName = testTaskClasspath.filter { it.name.startsWith("gradle-runtime-api-info") }.singleFile.parentFile.parentFile.parentFile.name
        ["-DintegTest.gradleHomeDir=${gradleHomeDir.singleFile}",

    }

    @Nested
    @Optional
    public JacocoTaskExtension getJacoco() {
        return jacoco.isEnabled() ? jacoco : null;
    }

    @Override
    public Iterable<String> asArguments() {
        return jacoco.isEnabled() ? ImmutableList.of(jacoco.getAsJvmArg()) : Collections.<String>emptyList();
    }
}

test.getJvmArgumentProviders().add(new JacocoAgent(extension));
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