1 files changed, 34 insertions, 0 deletions
diff --git a/client/go/internal/slime/json_format_test.go b/client/go/internal/slime/json_format_test.go
new file mode 100644
index 00000000000..f3e3ca61ccb
--- /dev/null
+++ b/client/go/internal/slime/json_format_test.go
@@ -0,0 +1,34 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package slime
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPrintJson(t *testing.T) {
+	slime := NewSlime()
+	o := slime.SetObject()
+	o.SetBool("a", true)
+	o.SetBool("b", false)
+	o.SetLong("c", 42)
+	o.SetLong("d", 0)
+	o.SetLong("e", -123456)
+	o.SetDouble("f", 2.75)
+	o.SetString("g", "x with\nembedded \"stuff\" like \\n")
+	got := o.Field("g").AsString()
+	assert.Equal(t,
+		`x with
+embedded "stuff" like \n`, got)
+	a := o.SetArray("h")
+	assert.Equal(t, 0, a.Entries())
+	a.AddLong(17)
+	o2 := o.SetObject("j")
+	assert.Equal(t, 0, o2.Fields())
+	o2.SetLong("jj", 987654321)
+	os.Stderr.Write([]byte("test JsonEncodeTo:\n>>>\n"))
+	JsonEncodeTo(slime, os.Stderr)
+	os.Stderr.Write([]byte("\n<<<\ntest JsonEncodeTo\n"))
+}