ICU-66108.tar.gz

[apple/icu.git] / icuSources / test / fuzzer / unicode_string_codepage_create_fuzzer.cpp

diff --git a/icuSources/test/fuzzer/unicode_string_codepage_create_fuzzer.cpp b/icuSources/test/fuzzer/unicode_string_codepage_create_fuzzer.cpp
new file mode 100644 (file)
index 0000000..d58b879
--- /dev/null
+++ b/icuSources/test/fuzzer/unicode_string_codepage_create_fuzzer.cpp
@@ -0,0 +1,85 @@
+// © 2019 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <cstring>
+#include <algorithm>
+#include <array>
+#include <vector>
+
+#include "fuzzer_utils.h"
+#include "unicode/unistr.h"
+
+// Taken from third_party/icu/source/data/mappings/convrtrs.txt file.
+static const std::array<const char*, 45> kConverters = {
+  {
+    "UTF-8",
+    "utf-16be",
+    "utf-16le",
+    "UTF-32",
+    "UTF-32BE",
+    "UTF-32LE",
+    "ibm866-html",
+    "iso-8859-2-html",
+    "iso-8859-3-html",
+    "iso-8859-4-html",
+    "iso-8859-5-html",
+    "iso-8859-6-html",
+    "iso-8859-7-html",
+    "iso-8859-8-html",
+    "ISO-8859-8-I",
+    "iso-8859-10-html",
+    "iso-8859-13-html",
+    "iso-8859-14-html",
+    "iso-8859-15-html",
+    "iso-8859-16-html",
+    "koi8-r-html",
+    "koi8-u-html",
+    "macintosh-html",
+    "windows-874-html",
+    "windows-1250-html",
+    "windows-1251-html",
+    "windows-1252-html",
+    "windows-1253-html",
+    "windows-1254-html",
+    "windows-1255-html",
+    "windows-1256-html",
+    "windows-1257-html",
+    "windows-1258-html",
+    "x-mac-cyrillic-html",
+    "windows-936-2000",
+    "gb18030",
+    "big5-html",
+    "euc-jp-html",
+    "ISO_2022,locale=ja,version=0",
+    "shift_jis-html",
+    "euc-kr-html",
+    "ISO-2022-KR",
+    "ISO-2022-CN",
+    "ISO-2022-CN-EXT",
+    "HZ-GB-2312"
+  }
+};
+
+IcuEnvironment* env = new IcuEnvironment();
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  if (size < 1) {
+    return 0;
+  }
+
+  // First byte is used for random converter selection.
+  uint8_t rnd = *data;
+  data++;
+  size--;
+
+  std::unique_ptr<char[]> fuzzbuff(new char[size]);
+  std::memcpy(fuzzbuff.get(), data, size);
+
+  icu::UnicodeString str(fuzzbuff.get(), size,
+                         kConverters[rnd % kConverters.size()]);
+
+  return 0;
+}