diff --git a/examples/testing/main_test.go b/examples/testing/main_test.go index 25531da..86111d4 100644 --- a/examples/testing/main_test.go +++ b/examples/testing/main_test.go @@ -67,7 +67,13 @@ func TestIntMinTableDriven(t *testing.T) { } } +// Benchmark tests typically go in `_test.go` files and are +// named beginning with `Benchmark`. The `testing` runner +// executes each benchmark function several times, increasing +// `b.N` on each run until it collects a precise measurement. func BenchmarkIntMin(b *testing.B) { + // Typically the benchmark runs a function we're + // benchmarking in a loop `b.N` times. for i := 0; i < b.N; i++ { IntMin(1, 2) } diff --git a/examples/testing/main_test.sh b/examples/testing/main_test.sh index 58e0615..b04fdb2 100644 --- a/examples/testing/main_test.sh +++ b/examples/testing/main_test.sh @@ -16,3 +16,14 @@ $ go test -v --- PASS: TestIntMinTableDriven/-1,0 (0.00s) PASS ok examples/testing 0.023s + +# Run all benchmarks in the current project in verbose +# mode. All tests are run prior to benchmarks. The `bench` +# flag receives a regex for benchmark function names. +$ go test -bench=. +goos: darwin +goarch: arm64 +pkg: examples/testing +BenchmarkIntMin-8 1000000000 0.3136 ns/op +PASS +ok examples/testing 0.351s diff --git a/examples/testing/testing.hash b/examples/testing/testing.hash index 4572b51..7ecf04f 100644 --- a/examples/testing/testing.hash +++ b/examples/testing/testing.hash @@ -1,2 +1,2 @@ -25e8941d63b555a590e6d44a95ae0e41ecadadca -ALL2BVLkYEr +3671aaf0eee9f6d2b68e51b09997be767edfe97c +PlzU16wwEWE diff --git a/public/testing b/public/testing index afb9fa4..530d0b2 100644 --- a/public/testing +++ b/public/testing @@ -47,7 +47,7 @@ typically lives in the same package as the code it tests.
package main@@ -184,11 +184,29 @@ when executing
go test -v
.
Benchmark tests typically go in _test.go
files and are
+named beginning with Benchmark
. The testing
runner
+executes each benchmark function several times, increasing
+b.N
on each run until it collects a precise measurement.
+func BenchmarkIntMin(b *testing.B) { ++
Typically the benchmark runs a function we’re
+benchmarking in a loop b.N
times.
func BenchmarkIntMin(b *testing.B) { +for i := 0; i < b.N; i++ { IntMin(1, 2) } @@ -206,7 +224,7 @@ when executinggo test -v
.Run all tests in the current project in verbose mode.
$ go test -v
@@ -229,6 +247,26 @@ when executing go test -v
.
Run all benchmarks in the current project in verbose
+mode. All tests are run prior to benchmarks. The bench
+flag receives a regex for benchmark function names.
+$ go test -bench=. +goos: darwin +goarch: arm64 +pkg: examples/testing +BenchmarkIntMin-8 1000000000 0.3136 ns/op +PASS +ok examples/testing 0.351s+
go test -v
.