From e99b037340adff7d26893cb1bd25069bd9d657d2 Mon Sep 17 00:00:00 2001
From: Gunnsteinn Hall <gunnsteinn.hall@gmail.com>
Date: Fri, 28 Sep 2018 09:50:18 +0000
Subject: [PATCH] PDFDocEncoding tests

---
 pdf/core/primitives_test.go             | 16 ++++++++++++++++
 pdf/internal/strutils/pdfdocenc_test.go | 25 +++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 pdf/internal/strutils/pdfdocenc_test.go

diff --git a/pdf/core/primitives_test.go b/pdf/core/primitives_test.go
index a0cb426d..10ee3650 100644
--- a/pdf/core/primitives_test.go
+++ b/pdf/core/primitives_test.go
@@ -78,3 +78,19 @@ func TestHexStringMulti(t *testing.T) {
 		}
 	}
 }
+
+func TestPdfDocEncodingDecode(t *testing.T) {
+	testcases := []struct {
+		Encoded  PdfObjectString
+		Expected string
+	}{
+		{PdfObjectString{val: "Ger\xfer\xfa\xf0ur", isHex: false}, "Gerþrúður"},
+	}
+
+	for _, testcase := range testcases {
+		dec := testcase.Encoded.Decoded()
+		if dec != testcase.Expected {
+			t.Fatalf("%s != %s", dec, testcase.Expected)
+		}
+	}
+}
diff --git a/pdf/internal/strutils/pdfdocenc_test.go b/pdf/internal/strutils/pdfdocenc_test.go
new file mode 100644
index 00000000..de049593
--- /dev/null
+++ b/pdf/internal/strutils/pdfdocenc_test.go
@@ -0,0 +1,25 @@
+package strutils
+
+import (
+	"testing"
+)
+
+func TestPDFDocEncodingDecode(t *testing.T) {
+	testcases := []struct {
+		Encoded  []byte
+		Expected string
+	}{
+		{[]byte{0x47, 0x65, 0x72, 0xfe, 0x72, 0xfa, 0xf0, 0x75, 0x72}, "Gerþrúður"},
+		{[]byte("Ger\xfer\xfa\xf0ur"), "Gerþrúður"},
+	}
+	v := []byte{0x47, 0x65, 0x72, 0xfe, 0x72, 0xfa, 0xf0, 0x75, 0x72}
+
+	for _, testcase := range testcases {
+		str := PDFDocEncodingToString(testcase.Encoded)
+		if str != testcase.Expected {
+			t.Fatalf("Mismatch %s != %s", str, testcase.Expected)
+		}
+	}
+
+	return
+}