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4deda6ea98
* Changes to make vendored packages accept new home. * Fix go2idl to import vendored packages.
299 lines
8.6 KiB
Plaintext
299 lines
8.6 KiB
Plaintext
// Package testing provides support for automated testing of Go ...
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PACKAGE testing
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IMPORTPATH
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testdata/testing
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IMPORTS
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bytes
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flag
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fmt
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io
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os
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runtime
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runtime/pprof
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strconv
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strings
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time
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FILENAMES
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testdata/benchmark.go
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testdata/example.go
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testdata/testing.go
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VARIABLES
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//
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var (
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// The short flag requests that tests run more quickly, but its functionality
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// is provided by test writers themselves. The testing package is just its
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// home. The all.bash installation script sets it to make installation more
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// efficient, but by default the flag is off so a plain "go test" will do a
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// full test of the package.
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short = flag.Bool("test.short", false, "run smaller test suite to save time")
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// Report as tests are run; default is silent for success.
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chatty = flag.Bool("test.v", false, "verbose: print additional output")
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match = flag.String("test.run", "", "regular expression to select tests to run")
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memProfile = flag.String("test.memprofile", "", "write a memory profile to the named file after execution")
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memProfileRate = flag.Int("test.memprofilerate", 0, "if >=0, sets runtime.MemProfileRate")
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cpuProfile = flag.String("test.cpuprofile", "", "write a cpu profile to the named file during execution")
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timeout = flag.Duration("test.timeout", 0, "if positive, sets an aggregate time limit for all tests")
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cpuListStr = flag.String("test.cpu", "", "comma-separated list of number of CPUs to use for each test")
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parallel = flag.Int("test.parallel", runtime.GOMAXPROCS(0), "maximum test parallelism")
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cpuList []int
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)
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//
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var benchTime = flag.Duration("test.benchtime", 1*time.Second, "approximate run time for each benchmark")
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//
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var matchBenchmarks = flag.String("test.bench", "", "regular expression to select benchmarks to run")
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//
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var timer *time.Timer
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FUNCTIONS
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// An internal function but exported because it is cross-package; ...
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func Main(matchString func(pat, str string) (bool, error), tests []InternalTest, benchmarks []InternalBenchmark, examples []InternalExample)
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// An internal function but exported because it is cross-package; ...
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func RunBenchmarks(matchString func(pat, str string) (bool, error), benchmarks []InternalBenchmark)
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//
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func RunExamples(examples []InternalExample) (ok bool)
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//
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func RunTests(matchString func(pat, str string) (bool, error), tests []InternalTest) (ok bool)
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// Short reports whether the -test.short flag is set.
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func Short() bool
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// after runs after all testing.
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func after()
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// alarm is called if the timeout expires.
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func alarm()
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// before runs before all testing.
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func before()
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// decorate inserts the final newline if needed and indentation ...
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func decorate(s string, addFileLine bool) string
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//
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func max(x, y int) int
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//
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func min(x, y int) int
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//
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func parseCpuList()
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// roundDown10 rounds a number down to the nearest power of 10.
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func roundDown10(n int) int
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// roundUp rounds x up to a number of the form [1eX, 2eX, 5eX].
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func roundUp(n int) int
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// startAlarm starts an alarm if requested.
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func startAlarm()
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// stopAlarm turns off the alarm.
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func stopAlarm()
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//
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func tRunner(t *T, test *InternalTest)
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TYPES
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// B is a type passed to Benchmark functions to manage benchmark ...
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type B struct {
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common
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N int
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benchmark InternalBenchmark
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bytes int64
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timerOn bool
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result BenchmarkResult
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}
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// Error is equivalent to Log() followed by Fail().
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func (c *B) Error(args ...interface{})
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// Errorf is equivalent to Logf() followed by Fail().
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func (c *B) Errorf(format string, args ...interface{})
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// Fail marks the function as having failed but continues ...
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func (c *B) Fail()
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// FailNow marks the function as having failed and stops its ...
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func (c *B) FailNow()
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// Failed reports whether the function has failed.
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func (c *B) Failed() bool
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// Fatal is equivalent to Log() followed by FailNow().
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func (c *B) Fatal(args ...interface{})
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// Fatalf is equivalent to Logf() followed by FailNow().
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func (c *B) Fatalf(format string, args ...interface{})
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// Log formats its arguments using default formatting, analogous ...
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func (c *B) Log(args ...interface{})
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// Logf formats its arguments according to the format, analogous ...
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func (c *B) Logf(format string, args ...interface{})
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// ResetTimer sets the elapsed benchmark time to zero. It does not ...
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func (b *B) ResetTimer()
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// SetBytes records the number of bytes processed in a single ...
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func (b *B) SetBytes(n int64)
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// StartTimer starts timing a test. This function is called ...
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func (b *B) StartTimer()
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// StopTimer stops timing a test. This can be used to pause the ...
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func (b *B) StopTimer()
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// launch launches the benchmark function. It gradually increases ...
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func (b *B) launch()
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// log generates the output. It's always at the same stack depth.
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func (c *B) log(s string)
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//
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func (b *B) nsPerOp() int64
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// run times the benchmark function in a separate goroutine.
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func (b *B) run() BenchmarkResult
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// runN runs a single benchmark for the specified number of ...
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func (b *B) runN(n int)
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// trimOutput shortens the output from a benchmark, which can be ...
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func (b *B) trimOutput()
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// The results of a benchmark run.
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type BenchmarkResult struct {
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N int // The number of iterations.
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T time.Duration // The total time taken.
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Bytes int64 // Bytes processed in one iteration.
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}
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// Benchmark benchmarks a single function. Useful for creating ...
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func Benchmark(f func(b *B)) BenchmarkResult
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//
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func (r BenchmarkResult) NsPerOp() int64
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//
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func (r BenchmarkResult) String() string
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//
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func (r BenchmarkResult) mbPerSec() float64
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// An internal type but exported because it is cross-package; part ...
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type InternalBenchmark struct {
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Name string
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F func(b *B)
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}
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//
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type InternalExample struct {
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Name string
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F func()
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Output string
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}
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// An internal type but exported because it is cross-package; part ...
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type InternalTest struct {
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Name string
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F func(*T)
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}
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// T is a type passed to Test functions to manage test state and ...
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type T struct {
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common
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name string // Name of test.
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startParallel chan bool // Parallel tests will wait on this.
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}
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// Error is equivalent to Log() followed by Fail().
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func (c *T) Error(args ...interface{})
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// Errorf is equivalent to Logf() followed by Fail().
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func (c *T) Errorf(format string, args ...interface{})
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// Fail marks the function as having failed but continues ...
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func (c *T) Fail()
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// FailNow marks the function as having failed and stops its ...
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func (c *T) FailNow()
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// Failed reports whether the function has failed.
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func (c *T) Failed() bool
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// Fatal is equivalent to Log() followed by FailNow().
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func (c *T) Fatal(args ...interface{})
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// Fatalf is equivalent to Logf() followed by FailNow().
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func (c *T) Fatalf(format string, args ...interface{})
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// Log formats its arguments using default formatting, analogous ...
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func (c *T) Log(args ...interface{})
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// Logf formats its arguments according to the format, analogous ...
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func (c *T) Logf(format string, args ...interface{})
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// Parallel signals that this test is to be run in parallel with ...
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func (t *T) Parallel()
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// log generates the output. It's always at the same stack depth.
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func (c *T) log(s string)
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//
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func (t *T) report()
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// common holds the elements common between T and B and captures ...
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type common struct {
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output []byte // Output generated by test or benchmark.
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failed bool // Test or benchmark has failed.
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start time.Time // Time test or benchmark started
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duration time.Duration
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self interface{} // To be sent on signal channel when done.
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signal chan interface{} // Output for serial tests.
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}
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// Error is equivalent to Log() followed by Fail().
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func (c *common) Error(args ...interface{})
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// Errorf is equivalent to Logf() followed by Fail().
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func (c *common) Errorf(format string, args ...interface{})
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// Fail marks the function as having failed but continues ...
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func (c *common) Fail()
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// FailNow marks the function as having failed and stops its ...
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func (c *common) FailNow()
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// Failed reports whether the function has failed.
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func (c *common) Failed() bool
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// Fatal is equivalent to Log() followed by FailNow().
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func (c *common) Fatal(args ...interface{})
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// Fatalf is equivalent to Logf() followed by FailNow().
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func (c *common) Fatalf(format string, args ...interface{})
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// Log formats its arguments using default formatting, analogous ...
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func (c *common) Log(args ...interface{})
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// Logf formats its arguments according to the format, analogous ...
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func (c *common) Logf(format string, args ...interface{})
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// log generates the output. It's always at the same stack depth.
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func (c *common) log(s string)
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