1 files changed, 90 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/peterh/liner/line_test.go b/Godeps/_workspace/src/github.com/peterh/liner/line_test.go
new file mode 100644
index 000000000..727da6ce7
--- /dev/null
+++ b/Godeps/_workspace/src/github.com/peterh/liner/line_test.go
@@ -0,0 +1,90 @@
+package liner
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+)
+
+func TestAppend(t *testing.T) {
+	var s State
+	s.AppendHistory("foo")
+	s.AppendHistory("bar")
+
+	var out bytes.Buffer
+	num, err := s.WriteHistory(&out)
+	if err != nil {
+		t.Fatal("Unexpected error writing history", err)
+	}
+	if num != 2 {
+		t.Fatalf("Expected 2 history entries, got %d", num)
+	}
+
+	s.AppendHistory("baz")
+	num, err = s.WriteHistory(&out)
+	if err != nil {
+		t.Fatal("Unexpected error writing history", err)
+	}
+	if num != 3 {
+		t.Fatalf("Expected 3 history entries, got %d", num)
+	}
+
+	s.AppendHistory("baz")
+	num, err = s.WriteHistory(&out)
+	if err != nil {
+		t.Fatal("Unexpected error writing history", err)
+	}
+	if num != 3 {
+		t.Fatalf("Expected 3 history entries after duplicate append, got %d", num)
+	}
+
+	s.AppendHistory("baz")
+
+}
+
+func TestHistory(t *testing.T) {
+	input := `foo
+bar
+baz
+quux
+dingle`
+
+	var s State
+	num, err := s.ReadHistory(strings.NewReader(input))
+	if err != nil {
+		t.Fatal("Unexpected error reading history", err)
+	}
+	if num != 5 {
+		t.Fatal("Wrong number of history entries read")
+	}
+
+	var out bytes.Buffer
+	num, err = s.WriteHistory(&out)
+	if err != nil {
+		t.Fatal("Unexpected error writing history", err)
+	}
+	if num != 5 {
+		t.Fatal("Wrong number of history entries written")
+	}
+	if strings.TrimSpace(out.String()) != input {
+		t.Fatal("Round-trip failure")
+	}
+
+	// Test reading with a trailing newline present
+	var s2 State
+	num, err = s2.ReadHistory(&out)
+	if err != nil {
+		t.Fatal("Unexpected error reading history the 2nd time", err)
+	}
+	if num != 5 {
+		t.Fatal("Wrong number of history entries read the 2nd time")
+	}
+
+	num, err = s.ReadHistory(strings.NewReader(input + "\n\xff"))
+	if err == nil {
+		t.Fatal("Unexpected success reading corrupted history", err)
+	}
+	if num != 5 {
+		t.Fatal("Wrong number of history entries read the 3rd time")
+	}
+}