builder.baseName = 'broken worker'
        builder.javaCommand.jvmArgs("-broken")
        def worker = builder.build()
        worker.start()

        then:
        def e = thrown(WorkerProcessException)
        e.message == 'Failed to run broken worker'
        e.cause instanceof ExecException
        e.cause.message.matches("Process 'broken worker 1' finished with non-zero exit value \\d+")

        e.message == 'No result has been specified.'
    }

    def "cannot get id when resolve failed"() {
        org.gradle.internal.Factory<String> broken = { "too bad" }
        def failure = new ModuleVersionResolveException(newSelector(DefaultModuleIdentifier.newId("a", "b"), "c"), broken)

        when:
        result.failed(failure)
        result.moduleVersionId

        then:
        ModuleVersionResolveException e = thrown()

            withProblem("Task `:declared` of type `Broken`: cannot deserialize object of type 'org.gradle.api.artifacts.ConfigurationContainer' as these are not supported with the configuration cache.")

cd broken
! go build
stderr 'cannot find package'

-- go.mod --
module m

-- x.go --
package x

-- x_test.go --
package x
import "testing"
import _ "net/http"
func Test(t *testing.T) {}

-- broken/go.mod --
module broken
-- broken/http.go --
package broken

import (
	_ "net/http"
	_ "golang.org/x/net/http/httpproxy"

        builder.baseName = 'broken worker'
        builder.javaCommand.jvmArgs("-broken")
        def worker = builder.build()
        worker.run(12.toLong())

        then:
        def e = thrown(WorkerProcessException)
        e.message == 'Failed to run broken worker'
        e.cause instanceof ExecException
        e.cause.message.matches("Process 'broken worker 1' finished with non-zero exit value \\d+")

  - format 1
  - format 2

<broken>''')

        1 * target.describe(!null) >> { DiagnosticsVisitor visitor -> visitor.candidate("format 1"); visitor.candidate("format 2") }
        0 * target._  //no parsing
    }

    def "reports unable to parse non-null"() {
        given:
        target.parseNotation("bad") >> { throw new UnsupportedNotationException("broken-part") }

        given:
        def scriptFailure = new GradleScriptException("broken", new RuntimeException())
        def otherFailure1 = new RuntimeException("broken")
        def otherFailure2 = new RuntimeException("broken")
        def failure = new ProjectConfigurationException("broken", [scriptFailure, otherFailure1, otherFailure2])
        def analyser = analyser()
        def result = []

            include "child"
        """
        file("child/build.gradle") << """
            class Broken extends DefaultTask {
                Broken() {
                    throw new RuntimeException("broken task")
                }
            }
            tasks.create("broken", Broken)
        """

        expect:
        fails()
        failure.assertHasLineNumber(4)

Expected: A failure description which is a string starting with "broken!"
     but: failure descriptions were []''')

        when:
        failure.assertHasCause("broken!")

        then:
        def e3 = thrown(AssertionError)
        e3.message.trim().startsWith('''No matching cause found
Expected: A cause which is a string starting with "broken!"
     but: causes were []''')

        when:

	if a != b {
		panic("broken equality: a != b")
	}

	m[a] = 1
	m[b] = 2
	if len(m) == 2 {
		panic("broken hash: len(m) == 2")
	}
	if m[a] != 2 {
		panic("m[a] != 2")
	}
}

func test3() {
	var a, b USmall
	copy((*[12]byte)(unsafe.Pointer(&a))[:], "hello world!")
	a.A, a.B = 1, 2
	b.A, b.B = 1, 2
	if a != b {
		panic("broken equality: a != b")
	}
}

func test4() {