[NaCl SDK] Add HTTP mount.

native_client_sdk/src/libraries/nacl_mounts_test/path_test.cc

Index: native_client_sdk/src/libraries/nacl_mounts_test/path_test.cc
diff --git a/native_client_sdk/src/libraries/nacl_mounts_test/path_test.cc b/native_client_sdk/src/libraries/nacl_mounts_test/path_test.cc
index 679c3a1503579035a16a9b19eca6e9adcc62c2e9..ea89d42d68522ee8349ed999bcd74e9ff9957dd9 100644
--- a/native_client_sdk/src/libraries/nacl_mounts_test/path_test.cc
+++ b/native_client_sdk/src/libraries/nacl_mounts_test/path_test.cc
@@ -242,3 +242,17 @@ TEST(PathTest, Invalid) {
   test.Append("../../../foo");
   EXPECT_EQ("../foo", test.Join());
 }
+
+TEST(PathTest, Range) {
+  Path p("/an/absolute/path");
+
+  // p's parts should be ["/", "an", "absolute", "path"].
+  EXPECT_EQ("/an/absolute/path", p.Range(0, 4));
+  EXPECT_EQ("an/absolute/path", p.Range(1, 4));
+  EXPECT_EQ("absolute/path", p.Range(2, 4));
+  EXPECT_EQ("path", p.Range(3, 4));
+
+  EXPECT_EQ("/an/absolute", p.Range(0, 3));
+  EXPECT_EQ("an/absolute", p.Range(1, 3));
+  EXPECT_EQ("absolute", p.Range(2, 3));
+}