def copyTask = Mock(Copy)
        when:
        tasks.add(copyTask)

        then:
        tasks.findSingleTaskWithType(Copy) == copyTask
    }

    def "fails finding single task with type where multiple exist"() {
        def copyTask1 = Mock(Copy)
        def copyTask2 = Mock(Copy)
        when:
        tasks.add(copyTask1)
        tasks.add(copyTask2)

        and:

! exists ../replaced/test.out  # BUG: should still exist

# 'go clean -modcache' should not download anything before cleaning.
go mod edit -require rsc.io/quote@v1.99999999.0-not-a-real-version
go clean -modcache
! stderr 'finding rsc.io'
go mod edit -droprequire rsc.io/quote

! go clean -modcache m
stderr 'go: clean -modcache cannot be used with package arguments'

-- go.mod --
module m
-- m.go --
package m

-- r/go.mod --

						}
					}

					_, err := LookPath("execabs-test")
					if errdot == "1" {
						if err == nil {
							t.Fatalf("LookPath didn't fail when finding a non-relative path")
						} else if !errors.Is(err, ErrDot) {
							t.Fatalf("LookPath returned unexpected error: want Is ErrDot, got %q", err)
						}
					} else {
						if err != nil {

grep 'toolchain go1.99rc1' go.mod

# go get go@1.24 does NOT find the release candidate
cp go.mod.orig go.mod
! go get go@1.24
stderr '^go: go@1.24: no matching versions for query "1.24"$'

# go get go@1.24rc1 works
cp go.mod.orig go.mod
go get go@1.24rc1
stderr '^go: upgraded go 1.21 => 1.24rc1$'
grep 'go 1.24rc1' go.mod
grep 'toolchain go1.99rc1' go.mod

# go get go@latest finds the latest Go 1.23
cp go.mod.orig go.mod

    @Rule def TestNameTestDirectoryProvider tmpDir = new TestNameTestDirectoryProvider(getClass())
    def os = Stub(OperatingSystem)
    def registry = new ToolSearchPath(os)

    def "finds executable in system path"() {
        def file = tmpDir.createFile("cc.bin")

        given:
        os.getExecutableName("cc") >> "cc.bin"
        os.path >> [file.parentFile]

        when:

	t.Parallel()
	type T *int // needs to be a pointer base type to avoid tinyalloc and its never-finalized behavior.
	x := new(T)
	finRun := false
	runtime.SetFinalizer(x, func(x *T) {
		finRun = true
	})
	defer runtime.KeepAlive(x)
	runtime.GC()
	time.Sleep(time.Second)
	if finRun {
		t.Errorf("finalizer ran prematurely")
	}

                documentationRoot = project.layout.projectDirectory.dir('docsRoot')
                javadocRoot = documentationRoot.dir('javadoc')
            }
        """
    }

    def "finds broken section links"() {
        given:
        sampleDoc << """
=== Dead Section Links
This section doesn't exist: <<missing_section>>
Also see this one, which is another dead link: <<other_missing_section>>
        """

	succs := func(b *Block) []Edge { return b.Succs }

	//TODO: benchmark and try to find criteria for swapping between
	// dominatorsSimple and dominatorsLT
	return f.dominatorsLTOrig(f.Entry, preds, succs)
}

// dominatorsLTOrig runs Lengauer-Tarjan to compute a dominator tree starting at
// entry and using predFn/succFn to find predecessors/successors to allow
// computing both dominator and post-dominator trees.

 * on [ExchangeCodec], which handles the actual I/O.
 */
class Exchange(
  internal val call: RealCall,
  internal val eventListener: EventListener,
  internal val finder: ExchangeFinder,
  private val codec: ExchangeCodec,
) {
  /** True if the request body need not complete before the response body starts. */
  internal var isDuplex: Boolean = false
    private set

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Tests simply starting and stopping tracing multiple times.
//
// This is useful for finding bugs in trace state reset.

//go:build ignore

package main

import (
	"bytes"
	"log"
	"os"
	"runtime"
	"runtime/trace"
)

func main() {
	// Trace a few times.