when:
        configurationCacheRun("-Dsome.property.1=1", "-Dsome.property.2=2", "print")

        then:
        configurationCache.assertStateStored()
        outputContains("Configuration: some.property.1 = 0")
        outputContains("Configuration: some.property.2 = 2")

        when:
        configurationCacheRun("-Dsome.property.1=-1", "-Dsome.property.2=2", "print")

        then:

        if (getterMethod == null) {
            throw new NoSuchPropertyException(String.format("Could not find getter method for property '%s' on class %s.", property, target.getSimpleName()));
        }
        return new GetterMethodBackedPropertyAccessor<T, F>(property, returnType, getterMethod);
    }

    /**
     * Locates the property with the given name as a readable property. Searches only public properties.
     *

        "${Property.name}<String>"            | "objects.property(String); v.set('abc')"              | "objects.property(String); v.set('123')"                     | "Type 'SomeTask': property 'v' of mutable type 'org.gradle.api.provider.Property' is writable. Properties of type 'org.gradle.api.provider.Property' are already mutable. Possible solution: Remove the 'setV' method. ${learnAt("validation_problems",...

            def property = objects.mapProperty(Integer, Integer)
            property.set(provider)

            assert property.get() == [1: 2]
            assert property.get() == [3: 4]
            property.disallowChanges()
            assert property.get() == [5: 6]
            assert property.get() == [7: 8]

            property.set([1: 2])
            '''.stripIndent()

        output.contains "Input property 'input'"
        output.contains "Input property 'bean'"

        output.contains "Input property 'bean.input'"
        output.contains "Input property 'bean.nestedBean'"
        output.contains "Input file property 'bean.inputDir'"
        output.contains "Input file property 'bean.nestedBean.inputFile'"
        output.contains "Output file property 'bean.outputDir'"
    }

The value of this property is derived from:
  - extension 'custom2' property 'source'
  - extension 'custom1' property 'source'""")
    }

    def "can use property with no value as optional ad hoc task input property"() {
        given:
        buildFile << """

def prop = project.objects.property(String)

task thing {

            warning(unsupportedValueTypeConfig { type('MyTask').property('nestedBean.nestedInput').propertyType('Property<URL>') }, "validation_problems", "unsupported_value_type"),
            warning(unsupportedValueTypeConfig { type('MyTask').property('propertyInput').propertyType('Property<URL>') }, "validation_problems", "unsupported_value_type"),

            contextualLabel == "Type \'MyTask\' property \'options.nestedThing\' is annotated with invalid property type @$ann.simpleName"
            details == "The '@${ann.simpleName}' annotation cannot be used in this context"
            solutions == [
                'Remove the property',

                    "java/com/example/Task.java",
                    """
                        package com.example;
                        import org.gradle.api.provider.Property;

                        public abstract class Task {
                            public abstract Property<String> getSourceCompatibility();
                        }
                    """
                )
            }
        ) {
            assertHasErrors(

            "inputProperty::Property[first-property]",
            "nested.inputProperty::Property[second-property]",
            "nestedList.\$0.inputProperty::Property[second-property]",
            "nestedList.\$1.inputProperty::Property[second-property]",
            "nestedListOfLists.\$0.\$0.inputProperty::Property[second-property]",
            "nestedMap.key1.inputProperty::Property[second-property]",