testing: add available godoc link

Change-Id: I8f4d097601796f53176d490cddf8832b7caa4c05
Reviewed-on: https://go-review.googlesource.com/c/go/+/539836
Run-TryBot: shuang cui <imcusg@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

src/testing/benchmark.go

@@ -77,7 +77,7 @@ type InternalBenchmark struct {
 	F    func(b *B)
 }
 
-// B is a type passed to Benchmark functions to manage benchmark
+// B is a type passed to [Benchmark] functions to manage benchmark
 // timing and to specify the number of iterations to run.
 //
 // A benchmark ends when its Benchmark function returns or calls any of the methods
@@ -117,7 +117,7 @@ type B struct {
 
 // StartTimer starts timing a test. This function is called automatically
 // before a benchmark starts, but it can also be used to resume timing after
-// a call to StopTimer.
+// a call to [B.StopTimer].
 func (b *B) StartTimer() {
 	if !b.timerOn {
 		runtime.ReadMemStats(&memStats)
@@ -321,7 +321,7 @@ func (b *B) launch() {
 
 // Elapsed returns the measured elapsed time of the benchmark.
 // The duration reported by Elapsed matches the one measured by
-// StartTimer, StopTimer, and ResetTimer.
+// [B.StartTimer], [B.StopTimer], and [B.ResetTimer].
 func (b *B) Elapsed() time.Duration {
 	d := b.duration
 	if b.timerOn {
@@ -413,7 +413,7 @@ func (r BenchmarkResult) AllocedBytesPerOp() int64 {
 // benchmark name.
 // Extra metrics override built-in metrics of the same name.
 // String does not include allocs/op or B/op, since those are reported
-// by MemString.
+// by [BenchmarkResult.MemString].
 func (r BenchmarkResult) String() string {
 	buf := new(strings.Builder)
 	fmt.Fprintf(buf, "%8d", r.N)
@@ -752,13 +752,13 @@ func (pb *PB) Next() bool {
 // RunParallel runs a benchmark in parallel.
 // It creates multiple goroutines and distributes b.N iterations among them.
 // The number of goroutines defaults to GOMAXPROCS. To increase parallelism for
-// non-CPU-bound benchmarks, call SetParallelism before RunParallel.
+// non-CPU-bound benchmarks, call [B.SetParallelism] before RunParallel.
 // RunParallel is usually used with the go test -cpu flag.
 //
 // The body function will be run in each goroutine. It should set up any
 // goroutine-local state and then iterate until pb.Next returns false.
-// It should not use the StartTimer, StopTimer, or ResetTimer functions,
-// because they have global effect. It should also not call Run.
+// It should not use the [B.StartTimer], [B.StopTimer], or [B.ResetTimer] functions,
+// because they have global effect. It should also not call [B.Run].
 //
 // RunParallel reports ns/op values as wall time for the benchmark as a whole,
 // not the sum of wall time or CPU time over each parallel goroutine.
@@ -803,7 +803,7 @@ func (b *B) RunParallel(body func(*PB)) {
 	}
 }
 
-// SetParallelism sets the number of goroutines used by RunParallel to p*GOMAXPROCS.
+// SetParallelism sets the number of goroutines used by [B.RunParallel] to p*GOMAXPROCS.
 // There is usually no need to call SetParallelism for CPU-bound benchmarks.
 // If p is less than 1, this call will have no effect.
 func (b *B) SetParallelism(p int) {
@@ -815,8 +815,8 @@ func (b *B) SetParallelism(p int) {
 // Benchmark benchmarks a single function. It is useful for creating
 // custom benchmarks that do not use the "go test" command.
 //
-// If f depends on testing flags, then Init must be used to register
-// those flags before calling Benchmark and before calling flag.Parse.
+// If f depends on testing flags, then [Init] must be used to register
+// those flags before calling Benchmark and before calling [flag.Parse].
 //
 // If f calls Run, the result will be an estimate of running all its
 // subbenchmarks that don't call Run in sequence in a single benchmark.

src/testing/fstest/mapfs.go

@@ -19,7 +19,7 @@ import (
 //
 // The map need not include parent directories for files contained
 // in the map; those will be synthesized if needed.
-// But a directory can still be included by setting the MapFile.Mode's [fs.ModeDir] bit;
+// But a directory can still be included by setting the [MapFile.Mode]'s [fs.ModeDir] bit;
 // this may be necessary for detailed control over the directory's [fs.FileInfo]
 // or to create an empty directory.
 //

src/testing/fuzz.go

@@ -59,7 +59,7 @@ type InternalFuzzTarget struct {
 // by (*F).Add and entries in the testdata/fuzz/<FuzzTestName> directory. After
 // any necessary setup and calls to (*F).Add, the fuzz test must then call
 // (*F).Fuzz to provide the fuzz target. See the testing package documentation
-// for an example, and see the F.Fuzz and F.Add method documentation for
+// for an example, and see the [F.Fuzz] and [F.Add] method documentation for
 // details.
 //
 // *F methods can only be called before (*F).Fuzz. Once the test is
@@ -206,7 +206,7 @@ var supportedTypes = map[reflect.Type]bool{
 //
 // When fuzzing, F.Fuzz does not return until a problem is found, time runs out
 // (set with -fuzztime), or the test process is interrupted by a signal. F.Fuzz
-// should be called exactly once, unless F.Skip or F.Fail is called beforehand.
+// should be called exactly once, unless F.Skip or [F.Fail] is called beforehand.
 func (f *F) Fuzz(ff any) {
 	if f.fuzzCalled {
 		panic("testing: F.Fuzz called more than once")

src/testing/internal/testdeps/deps.go

@@ -27,7 +27,7 @@ import (
 )
 
 // TestDeps is an implementation of the testing.testDeps interface,
-// suitable for passing to testing.MainStart.
+// suitable for passing to [testing.MainStart].
 type TestDeps struct{}
 
 var matchPat string

src/testing/iotest/logger.go

@@ -25,7 +25,7 @@ func (l *writeLogger) Write(p []byte) (n int, err error) {
 }
 
 // NewWriteLogger returns a writer that behaves like w except
-// that it logs (using log.Printf) each write to standard error,
+// that it logs (using [log.Printf]) each write to standard error,
 // printing the prefix and the hexadecimal data written.
 func NewWriteLogger(prefix string, w io.Writer) io.Writer {
 	return &writeLogger{prefix, w}
@@ -47,7 +47,7 @@ func (l *readLogger) Read(p []byte) (n int, err error) {
 }
 
 // NewReadLogger returns a reader that behaves like r except
-// that it logs (using log.Printf) each read to standard error,
+// that it logs (using [log.Printf]) each read to standard error,
 // printing the prefix and the hexadecimal data read.
 func NewReadLogger(prefix string, r io.Reader) io.Reader {
 	return &readLogger{prefix, r}

src/testing/iotest/reader.go

@@ -73,7 +73,7 @@ func (r *dataErrReader) Read(p []byte) (n int, err error) {
 // ErrTimeout is a fake timeout error.
 var ErrTimeout = errors.New("timeout")
 
-// TimeoutReader returns ErrTimeout on the second read
+// TimeoutReader returns [ErrTimeout] on the second read
 // with no data. Subsequent calls to read succeed.
 func TimeoutReader(r io.Reader) io.Reader { return &timeoutReader{r, 0} }
 
@@ -90,7 +90,7 @@ func (r *timeoutReader) Read(p []byte) (int, error) {
 	return r.r.Read(p)
 }
 
-// ErrReader returns an io.Reader that returns 0, err from all Read calls.
+// ErrReader returns an [io.Reader] that returns 0, err from all Read calls.
 func ErrReader(err error) io.Reader {
 	return &errReader{err: err}
 }
@@ -128,7 +128,7 @@ func (r *smallByteReader) Read(p []byte) (int, error) {
 
 // TestReader tests that reading from r returns the expected file content.
 // It does reads of different sizes, until EOF.
-// If r implements io.ReaderAt or io.Seeker, TestReader also checks
+// If r implements [io.ReaderAt] or [io.Seeker], TestReader also checks
 // that those operations behave as they should.
 //
 // If TestReader finds any misbehaviors, it returns an error reporting them.

src/testing/quick/quick.go

@@ -54,7 +54,7 @@ func randInt64(rand *rand.Rand) int64 {
 const complexSize = 50
 
 // Value returns an arbitrary value of the given type.
-// If the type implements the Generator interface, that will be used.
+// If the type implements the [Generator] interface, that will be used.
 // Note: To create arbitrary values for structs, all the fields must be exported.
 func Value(t reflect.Type, rand *rand.Rand) (value reflect.Value, ok bool) {
 	return sizedValue(t, rand, complexSize)
@@ -234,7 +234,7 @@ func (s *CheckError) Error() string {
 	return fmt.Sprintf("#%d: failed on input %s", s.Count, toString(s.In))
 }
 
-// A CheckEqualError is the result CheckEqual finding an error.
+// A CheckEqualError is the result [CheckEqual] finding an error.
 type CheckEqualError struct {
 	CheckError
 	Out1 []any
@@ -248,7 +248,7 @@ func (s *CheckEqualError) Error() string {
 // Check looks for an input to f, any function that returns bool,
 // such that f returns false. It calls f repeatedly, with arbitrary
 // values for each argument. If f returns false on a given input,
-// Check returns that input as a *CheckError.
+// Check returns that input as a *[CheckError].
 // For example:
 //
 //	func TestOddMultipleOfThree(t *testing.T) {
@@ -297,7 +297,7 @@ func Check(f any, config *Config) error {
 
 // CheckEqual looks for an input on which f and g return different results.
 // It calls f and g repeatedly with arbitrary values for each argument.
-// If f and g return different answers, CheckEqual returns a *CheckEqualError
+// If f and g return different answers, CheckEqual returns a *[CheckEqualError]
 // describing the input and the outputs.
 func CheckEqual(f, g any, config *Config) error {
 	if config == nil {

src/testing/slogtest/slogtest.go

@@ -231,7 +231,7 @@ var cases = []testCase{
 
 // TestHandler tests a [slog.Handler].
 // If TestHandler finds any misbehaviors, it returns an error for each,
-// combined into a single error with errors.Join.
+// combined into a single error with [errors.Join].
 //
 // TestHandler installs the given Handler in a [slog.Logger] and
 // makes several calls to the Logger's output methods.
@@ -241,7 +241,7 @@ var cases = []testCase{
 // It should return a slice of map[string]any, one for each call to a Logger output method.
 // The keys and values of the map should correspond to the keys and values of the Handler's
 // output. Each group in the output should be represented as its own nested map[string]any.
-// The standard keys slog.TimeKey, slog.LevelKey and slog.MessageKey should be used.
+// The standard keys [slog.TimeKey], [slog.LevelKey] and [slog.MessageKey] should be used.
 //
 // If the Handler outputs JSON, then calling [encoding/json.Unmarshal] with a `map[string]any`
 // will create the right data structure.

src/testing/testing.go

@@ -1104,7 +1104,7 @@ func (c *common) Skipf(format string, args ...any) {
 }
 
 // SkipNow marks the test as having been skipped and stops its execution
-// by calling runtime.Goexit.
+// by calling [runtime.Goexit].
 // If a test fails (see Error, Errorf, Fail) and is then skipped,
 // it is still considered to have failed.
 // Execution will continue at the next test or benchmark. See also FailNow.