1 files changed, 61 insertions, 0 deletions
diff --git a/mozglue/linker/tests/TestZip.cpp b/mozglue/linker/tests/TestZip.cpp
new file mode 100644
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+++ b/mozglue/linker/tests/TestZip.cpp
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <cstdio>
+#include <unistd.h>
+#include "Zip.h"
+#include "mozilla/RefPtr.h"
+
+#include "gtest/gtest.h"
+
+Logging Logging::Singleton;
+
+/**
+ * test.zip is a basic test zip file with a central directory. It contains
+ * four entries, in the following order:
+ * "foo", "bar", "baz", "qux".
+ * The entries are going to be read out of order.
+ */
+extern const unsigned char TEST_ZIP[];
+extern const unsigned int TEST_ZIP_SIZE;
+const char* test_entries[] = {"baz", "foo", "bar", "qux"};
+
+/**
+ * no_central_dir.zip is a hand crafted test zip with no central directory
+ * entries. The Zip reader is expected to be able to traverse these entries
+ * if requested in order, without reading a central directory
+ * - First entry is a file "a", STOREd.
+ * - Second entry is a file "b", STOREd, using a data descriptor. CRC is
+ *   unknown, but compressed and uncompressed sizes are known in the local
+ *   file header.
+ * - Third entry is a file "c", DEFLATEd, using a data descriptor. CRC,
+ *   compressed and uncompressed sizes are known in the local file header.
+ *   This is the kind of entry that can be found in a zip that went through
+ *   zipalign if it had a data descriptor originally.
+ * - Fourth entry is a file "d", STOREd.
+ */
+extern const unsigned char NO_CENTRAL_DIR_ZIP[];
+extern const unsigned int NO_CENTRAL_DIR_ZIP_SIZE;
+const char* no_central_dir_entries[] = {"a", "b", "c", "d"};
+
+TEST(Zip, TestZip)
+{
+  Zip::Stream s;
+  RefPtr<Zip> z = Zip::Create((void*)TEST_ZIP, TEST_ZIP_SIZE);
+  for (auto& entry : test_entries) {
+    ASSERT_TRUE(z->GetStream(entry, &s))
+    << "Could not get entry \"" << entry << "\"";
+  }
+}
+
+TEST(Zip, NoCentralDir)
+{
+  Zip::Stream s;
+  RefPtr<Zip> z =
+      Zip::Create((void*)NO_CENTRAL_DIR_ZIP, NO_CENTRAL_DIR_ZIP_SIZE);
+  for (auto& entry : no_central_dir_entries) {
+    ASSERT_TRUE(z->GetStream(entry, &s))
+    << "Could not get entry \"" << entry << "\"";
+  }
+}