1 files changed, 61 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/cespare/xxhash/v2@v2.1.2/xxhash_unsafe_test.go b/dependencies/pkg/mod/github.com/cespare/xxhash/v2@v2.1.2/xxhash_unsafe_test.go
new file mode 100644
index 0000000..6598267
--- /dev/null
+++ b/dependencies/pkg/mod/github.com/cespare/xxhash/v2@v2.1.2/xxhash_unsafe_test.go
@@ -0,0 +1,61 @@
+// +build !appengine
+
+package xxhash
+
+import (
+	"os/exec"
+	"sort"
+	"strings"
+	"testing"
+)
+
+func TestStringAllocs(t *testing.T) {
+	longStr := strings.Repeat("a", 1000)
+	t.Run("Sum64String", func(t *testing.T) {
+		testAllocs(t, func() {
+			sink = Sum64String(longStr)
+		})
+	})
+	t.Run("Digest.WriteString", func(t *testing.T) {
+		testAllocs(t, func() {
+			d := New()
+			d.WriteString(longStr)
+			sink = d.Sum64()
+		})
+	})
+}
+
+// This test is inspired by the Go runtime tests in https://golang.org/cl/57410.
+// It asserts that certain important functions may be inlined.
+func TestInlining(t *testing.T) {
+	funcs := map[string]struct{}{
+		"Sum64String":           {},
+		"(*Digest).WriteString": {},
+	}
+
+	// TODO: it would be better to use the go binary that is running
+	// 'go test' (if we are running under 'go test').
+	cmd := exec.Command("go", "test", "-gcflags=-m", "-run", "xxxx")
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		t.Log(string(out))
+		t.Fatal(err)
+	}
+
+	for _, line := range strings.Split(string(out), "\n") {
+		parts := strings.Split(line, ": can inline")
+		if len(parts) < 2 {
+			continue
+		}
+		delete(funcs, strings.TrimSpace(parts[1]))
+	}
+
+	var failed []string
+	for fn := range funcs {
+		failed = append(failed, fn)
+	}
+	sort.Strings(failed)
+	for _, fn := range failed {
+		t.Errorf("function %s not inlined", fn)
+	}
+}