Add more tests around trailing-newlines from the encoder

1 files changed, 52 insertions, 0 deletions

diff --git a/encode_test.go b/encode_test.go
new file mode 100644
index 0000000..06eadf7
--- /dev/null
+++ b/encode_test.go
@@ -0,0 +1,52 @@
+// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package lowmemjson
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestEncoder(t *testing.T) {
+	var out strings.Builder
+	enc := NewEncoder(&out)
+
+	assert.NoError(t, enc.Encode(1))
+	assert.NoError(t, enc.Encode(1))
+	assert.NoError(t, enc.Encode(struct{}{}))
+	assert.NoError(t, enc.Encode(nil))
+	assert.NoError(t, enc.Encode(1))
+	assert.Equal(t, "1\n1{}null1", out.String())
+}
+
+func TestEncoderIndent(t *testing.T) {
+	var out strings.Builder
+	enc := NewEncoder(&ReEncoder{
+		Out:                 &out,
+		AllowMultipleValues: true,
+		Indent: "\t",
+	})
+
+	assert.NoError(t, enc.Encode(1))
+	assert.NoError(t, enc.Encode(1))
+	assert.NoError(t, enc.Encode(struct{}{}))
+	assert.NoError(t, enc.Encode([]int{9}))
+	assert.NoError(t, enc.Encode(nil))
+	assert.NoError(t, enc.Encode(1))
+	assert.Equal(t, "1\n1\n{}\n[\n\t9\n]\nnull\n1", out.String())
+}
+
+func TestEncode(t *testing.T) {
+	var out strings.Builder
+
+	assert.NoError(t, Encode(&out, 1))
+	assert.NoError(t, Encode(&out, 1))
+	assert.NoError(t, Encode(&out, struct{}{}))
+	assert.NoError(t, Encode(&out, nil))
+	assert.NoError(t, Encode(&out, 1))
+	assert.Equal(t, "11{}null1", out.String())
+}