1 files changed, 64 insertions, 0 deletions
diff --git a/largeobject_test.go b/largeobject_test.go
new file mode 100644
index 0000000..fe781ab
--- /dev/null
+++ b/largeobject_test.go
@@ -0,0 +1,64 @@
+/******************************************************************************
+*
+*  Copyright 2018 Stefan Majewsky <majewsky@gmx.net>
+*
+*  Licensed under the Apache License, Version 2.0 (the "License");
+*  you may not use this file except in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+*  Unless required by applicable law or agreed to in writing, software
+*  distributed under the License is distributed on an "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*  See the License for the specific language governing permissions and
+*  limitations under the License.
+*
+******************************************************************************/
+
+package schwift
+
+import "testing"
+
+func TestParseHTTPRange(t *testing.T) {
+	testCases := []struct {
+		input  string
+		ok     bool
+		offset int64
+		length uint64
+	}{
+		//all the testcases from RFC 7233, section 3.1
+		{"0-499", true, 0, 500},
+		{"500-999", true, 500, 500},
+		{"-500", true, -1, 500},
+		{"9500-", true, 9500, 0},
+		{"0-0", true, 0, 1},
+		{"-1", true, -1, 1},
+		//and then some more
+		{"0-", true, 0, 0},
+		{"-", true, 0, 0},
+		//some error cases for 100% coverage
+		{"no dash", false, 0, 0},
+		{"what-the-heck", false, 0, 0},
+		{"-X", false, 0, 0},
+		{"X-X", false, 0, 0},
+		{"X-", false, 0, 0},
+		{"999-500", false, 0, 0},
+	}
+
+	for _, tc := range testCases {
+		o, l, ok := parseHTTPRange(tc.input)
+
+		if tc.ok && !ok {
+			t.Errorf("expected %q to parse, but did not", tc.input)
+		}
+		if !tc.ok && ok {
+			t.Errorf("expected %q to fail, but parsed into (%d, %d)",
+				tc.input, o, l)
+		}
+		if o != tc.offset || l != tc.length {
+			t.Errorf("expected %q to parse as (%d, %d), but (%d, %d)",
+				tc.input, tc.offset, tc.length, o, l)
+		}
+	}
+}