def arg = new Object()
        def id
        def decoratedAction

        when:

        context.apply(Stub(UserCodeSource)) {
            id = it
            decoratedAction = decorator.decorate('foo', action)
        }

        then:
        !decoratedAction.is(action)

        when:
        decoratedAction.execute(arg)

        then:
        1 * action.execute(arg)

            public class Main { ToolImpl t = new ToolImpl(); }
        """

        when:
        succeeds ":b:${language.compileTaskName}"

        then:
        executedAndNotSkipped ":a:${language.compileTaskName}"
        executedAndNotSkipped ":b:${language.compileTaskName}"

        when:
        // change signatures
        sourceFile.text = """
            public class ToolImpl {

            """
        }

        when:
        configurationCacheRun ":a:some"

        then:
        result.groupedOutput.task(":a:some").assertOutputContains("FIRST").assertOutputContains("LAST")

        when:
        configurationCacheRun ":a:some"

        then:
        result.groupedOutput.task(":a:some").assertOutputContains("FIRST").assertOutputContains("LAST")

class TreeFormatterTest extends Specification {
    def formatter = new TreeFormatter()

    def "formats single node"() {
        when:
        formatter.node("Some thing.")

        then:
        formatter.toString() == "Some thing."
    }

    def "formats root with no children"() {
        when:
        formatter.node("Some thing.")
        formatter.startChildren()
        formatter.endChildren()

        then:

            """
        }

        when:
        result = runWithMostRecentFinalRelease(JAR_TASK_NAME)

        then:
        javaProject.mainClassFile.assertIsFile()
        javaProject.redundantClassFile.assertIsFile()
        javaProject.assertJarHasDescendants(javaProject.mainClassFile.name, javaProject.redundantClassFile.name)

        when:
        forceDelete(javaProject.redundantSourceFile)

    }

    def "selects annotated constructor when class has multiple constructors and only one is annotated"() {
        when:
        def result = instantiator.newInstance(HasOneInjectConstructor, 12)

        then:
        result != null
    }

    def "class can have private constructor with args and annotated"() {
        when:

        when:
        descriptor.excludeGroupByRegex(null)

        then:
        IllegalArgumentException ex = thrown()
        ex.message == "Group regex cannot be null"

        when:
        descriptor.excludeModuleByRegex("foo", null)

        then:
        ex = thrown()
        ex.message == "Module name regex cannot be null"

        when:

        def notIgnoredResource = project[notIgnoredResourceName]

        when:
        succeeds project.customTask
        then:
        executedAndNotSkipped(project.customTask)

        when:
        succeeds project.customTask
        then:
        skipped(project.customTask)

        when:
        ignoredResource.changeContents()
        succeeds project.customTask
        then:

        gmmDependency.module == "kotlinx-coroutines-core"
        gmmDependency.version == "1.7.2"

        when:
        def result = mavenResolver.resolveDependency("org", "root", "1.0")

        then:
        result.firstLevelDependencies == ["org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:jar:1.7.2"]

        when:
        succeeds "printRuntimeClasspath"

        then:

        task aTask
        """
        when:
        fails "help", "--task", "bTask"
        then:
        failure.assertHasCause("Task 'bTask' not found in root project '${testDirectory.getName()}'. Some candidates are: 'aTask', 'tasks'")

        when:
        run "help", "--task", "aTask"
        then:
        output.contains "Detailed task information for aTask"

        when:
        fails "help", "--task", "bTask"