Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 454 insertions, 0 deletions

diff --git a/xpcom/tests/gtest/TestBase64.cpp b/xpcom/tests/gtest/TestBase64.cpp
new file mode 100644
index 0000000000..51c5b95aa9
--- /dev/null
+++ b/xpcom/tests/gtest/TestBase64.cpp
@@ -0,0 +1,454 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 "mozilla/Attributes.h"
+#include "mozilla/Base64.h"
+#include "nsComponentManagerUtils.h"
+#include "nsIScriptableBase64Encoder.h"
+#include "nsIInputStream.h"
+#include "nsString.h"
+
+#include "gtest/gtest.h"
+#include "mozilla/gtest/MozAssertions.h"
+
+struct Chunk {
+  Chunk(uint32_t l, const char* c) : mLength(l), mData(c) {}
+
+  uint32_t mLength;
+  const char* mData;
+};
+
+struct Test {
+  Test(Chunk* c, const char* r) : mChunks(c), mResult(r) {}
+
+  Chunk* mChunks;
+  const char* mResult;
+};
+
+static Chunk kTest1Chunks[] = {Chunk(9, "Hello sir"), Chunk(0, nullptr)};
+
+static Chunk kTest2Chunks[] = {Chunk(3, "Hel"), Chunk(3, "lo "),
+                               Chunk(3, "sir"), Chunk(0, nullptr)};
+
+static Chunk kTest3Chunks[] = {Chunk(1, "I"), Chunk(0, nullptr)};
+
+static Chunk kTest4Chunks[] = {Chunk(2, "Hi"), Chunk(0, nullptr)};
+
+static Chunk kTest5Chunks[] = {Chunk(1, "B"), Chunk(2, "ob"),
+                               Chunk(0, nullptr)};
+
+static Chunk kTest6Chunks[] = {Chunk(2, "Bo"), Chunk(1, "b"),
+                               Chunk(0, nullptr)};
+
+static Chunk kTest7Chunks[] = {Chunk(1, "F"),     // Carry over 1
+                               Chunk(4, "iref"),  // Carry over 2
+                               Chunk(2, "ox"),    //            1
+                               Chunk(4, " is "),  //            2
+                               Chunk(2, "aw"),    //            1
+                               Chunk(4, "esom"),  //            2
+                               Chunk(2, "e!"),   Chunk(0, nullptr)};
+
+static Chunk kTest8Chunks[] = {Chunk(5, "ALL T"),
+                               Chunk(1, "H"),
+                               Chunk(4, "ESE "),
+                               Chunk(2, "WO"),
+                               Chunk(21, "RLDS ARE YOURS EXCEPT"),
+                               Chunk(9, " EUROPA. "),
+                               Chunk(25, "ATTEMPT NO LANDING THERE."),
+                               Chunk(0, nullptr)};
+
+static Test kTests[] = {
+    // Test 1, test a simple round string in one chunk
+    Test(kTest1Chunks, "SGVsbG8gc2ly"),
+    // Test 2, test a simple round string split into round chunks
+    Test(kTest2Chunks, "SGVsbG8gc2ly"),
+    // Test 3, test a single chunk that's 2 short
+    Test(kTest3Chunks, "SQ=="),
+    // Test 4, test a single chunk that's 1 short
+    Test(kTest4Chunks, "SGk="),
+    // Test 5, test a single chunk that's 2 short, followed by a chunk of 2
+    Test(kTest5Chunks, "Qm9i"),
+    // Test 6, test a single chunk that's 1 short, followed by a chunk of 1
+    Test(kTest6Chunks, "Qm9i"),
+    // Test 7, test alternating carryovers
+    Test(kTest7Chunks, "RmlyZWZveCBpcyBhd2Vzb21lIQ=="),
+    // Test 8, test a longish string
+    Test(kTest8Chunks,
+         "QUxMIFRIRVNFIFdPUkxEUyBBUkUgWU9VUlMgRVhDRVBUIEVVUk9QQS4gQVRURU1QVCBOT"
+         "yBMQU5ESU5HIFRIRVJFLg=="),
+    // Terminator
+    Test(nullptr, nullptr)};
+
+class FakeInputStream final : public nsIInputStream {
+  ~FakeInputStream() = default;
+
+ public:
+  FakeInputStream()
+      : mTestNumber(0),
+        mTest(&kTests[0]),
+        mChunk(&mTest->mChunks[0]),
+        mClosed(false) {}
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIINPUTSTREAM
+
+  void Reset();
+  bool NextTest();
+  void CheckTest(nsACString& aResult);
+  void CheckTest(nsAString& aResult);
+
+ private:
+  uint32_t mTestNumber;
+  const Test* mTest;
+  const Chunk* mChunk;
+  bool mClosed;
+};
+
+NS_IMPL_ISUPPORTS(FakeInputStream, nsIInputStream)
+
+NS_IMETHODIMP
+FakeInputStream::Close() {
+  mClosed = true;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+FakeInputStream::Available(uint64_t* aAvailable) {
+  *aAvailable = 0;
+
+  if (mClosed) return NS_BASE_STREAM_CLOSED;
+
+  const Chunk* chunk = mChunk;
+  while (chunk->mLength) {
+    *aAvailable += chunk->mLength;
+    chunk++;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+FakeInputStream::StreamStatus() {
+  return mClosed ? NS_BASE_STREAM_CLOSED : NS_OK;
+}
+
+NS_IMETHODIMP
+FakeInputStream::Read(char* aBuffer, uint32_t aCount, uint32_t* aOut) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+FakeInputStream::ReadSegments(nsWriteSegmentFun aWriter, void* aClosure,
+                              uint32_t aCount, uint32_t* aRead) {
+  *aRead = 0;
+
+  if (mClosed) return NS_BASE_STREAM_CLOSED;
+
+  while (mChunk->mLength) {
+    uint32_t written = 0;
+
+    nsresult rv = (*aWriter)(this, aClosure, mChunk->mData, *aRead,
+                             mChunk->mLength, &written);
+
+    *aRead += written;
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    mChunk++;
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+FakeInputStream::IsNonBlocking(bool* aIsBlocking) {
+  *aIsBlocking = false;
+  return NS_OK;
+}
+
+void FakeInputStream::Reset() {
+  mClosed = false;
+  mChunk = &mTest->mChunks[0];
+}
+
+bool FakeInputStream::NextTest() {
+  mTestNumber++;
+  mTest = &kTests[mTestNumber];
+  mChunk = &mTest->mChunks[0];
+  mClosed = false;
+
+  return mTest->mChunks ? true : false;
+}
+
+void FakeInputStream::CheckTest(nsACString& aResult) {
+  ASSERT_STREQ(aResult.BeginReading(), mTest->mResult);
+}
+
+void FakeInputStream::CheckTest(nsAString& aResult) {
+  ASSERT_TRUE(aResult.EqualsASCII(mTest->mResult))
+  << "Actual:   " << aResult.BeginReading() << std::endl
+  << "Expected: " << mTest->mResult;
+}
+
+TEST(Base64, StreamEncoder)
+{
+  nsCOMPtr<nsIScriptableBase64Encoder> encoder =
+      do_CreateInstance("@mozilla.org/scriptablebase64encoder;1");
+  ASSERT_TRUE(encoder);
+
+  RefPtr<FakeInputStream> stream = new FakeInputStream();
+  do {
+    nsString wideString;
+    nsCString string;
+
+    nsresult rv;
+    rv = encoder->EncodeToString(stream, 0, wideString);
+    ASSERT_NS_SUCCEEDED(rv);
+
+    stream->Reset();
+
+    rv = encoder->EncodeToCString(stream, 0, string);
+    ASSERT_NS_SUCCEEDED(rv);
+
+    stream->CheckTest(wideString);
+    stream->CheckTest(string);
+  } while (stream->NextTest());
+}
+
+struct EncodeDecodeTestCase {
+  const char* mInput;
+  const char* mOutput;
+};
+
+static EncodeDecodeTestCase sRFC4648TestCases[] = {
+    {"", ""},
+    {"f", "Zg=="},
+    {"fo", "Zm8="},
+    {"foo", "Zm9v"},
+    {"foob", "Zm9vYg=="},
+    {"fooba", "Zm9vYmE="},
+    {"foobar", "Zm9vYmFy"},
+};
+
+TEST(Base64, RFC4648Encoding)
+{
+  for (auto& testcase : sRFC4648TestCases) {
+    nsDependentCString in(testcase.mInput);
+    nsAutoCString out;
+    nsresult rv = mozilla::Base64Encode(in, out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.EqualsASCII(testcase.mOutput));
+  }
+
+  for (auto& testcase : sRFC4648TestCases) {
+    NS_ConvertUTF8toUTF16 in(testcase.mInput);
+    nsAutoString out;
+    nsresult rv = mozilla::Base64Encode(in, out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.EqualsASCII(testcase.mOutput));
+  }
+}
+
+TEST(Base64, RFC4648Encoding_TransformAndAppend_EmptyPrefix)
+{
+  for (auto& testcase : sRFC4648TestCases) {
+    nsDependentCString in(testcase.mInput);
+    nsAutoString out;
+    nsresult rv =
+        mozilla::Base64EncodeAppend(in.BeginReading(), in.Length(), out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.EqualsASCII(testcase.mOutput));
+  }
+}
+
+TEST(Base64, RFC4648Encoding_TransformAndAppend_NonEmptyPrefix)
+{
+  for (auto& testcase : sRFC4648TestCases) {
+    nsDependentCString in(testcase.mInput);
+    nsAutoString out{u"foo"_ns};
+    nsresult rv =
+        mozilla::Base64EncodeAppend(in.BeginReading(), in.Length(), out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(StringBeginsWith(out, u"foo"_ns));
+    ASSERT_TRUE(Substring(out, 3).EqualsASCII(testcase.mOutput));
+  }
+}
+
+TEST(Base64, RFC4648Decoding)
+{
+  for (auto& testcase : sRFC4648TestCases) {
+    nsDependentCString out(testcase.mOutput);
+    nsAutoCString in;
+    nsresult rv = mozilla::Base64Decode(out, in);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(in.EqualsASCII(testcase.mInput));
+  }
+
+  for (auto& testcase : sRFC4648TestCases) {
+    NS_ConvertUTF8toUTF16 out(testcase.mOutput);
+    nsAutoString in;
+    nsresult rv = mozilla::Base64Decode(out, in);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(in.EqualsASCII(testcase.mInput));
+  }
+}
+
+TEST(Base64, RFC4648DecodingRawPointers)
+{
+  for (auto& testcase : sRFC4648TestCases) {
+    size_t outputLength = strlen(testcase.mOutput);
+    size_t inputLength = strlen(testcase.mInput);
+
+    // This will be allocated by Base64Decode.
+    char* buffer = nullptr;
+
+    uint32_t binaryLength = 0;
+    nsresult rv = mozilla::Base64Decode(testcase.mOutput, outputLength, &buffer,
+                                        &binaryLength);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_EQ(binaryLength, inputLength);
+    ASSERT_STREQ(testcase.mInput, buffer);
+    free(buffer);
+  }
+}
+
+static EncodeDecodeTestCase sNonASCIITestCases[] = {
+    {"\x80", "gA=="},
+    {"\xff", "/w=="},
+    {"\x80\x80", "gIA="},
+    {"\x80\x81", "gIE="},
+    {"\xff\xff", "//8="},
+    {"\x80\x80\x80", "gICA"},
+    {"\xff\xff\xff", "////"},
+    {"\x80\x80\x80\x80", "gICAgA=="},
+    {"\xff\xff\xff\xff", "/////w=="},
+};
+
+TEST(Base64, NonASCIIEncoding)
+{
+  for (auto& testcase : sNonASCIITestCases) {
+    nsDependentCString in(testcase.mInput);
+    nsAutoCString out;
+    nsresult rv = mozilla::Base64Encode(in, out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.EqualsASCII(testcase.mOutput));
+  }
+}
+
+TEST(Base64, NonASCIIEncodingWideString)
+{
+  for (auto& testcase : sNonASCIITestCases) {
+    nsAutoString in, out;
+    // XXX Handles Latin1 despite the name
+    AppendASCIItoUTF16(nsDependentCString(testcase.mInput), in);
+    nsresult rv = mozilla::Base64Encode(in, out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.EqualsASCII(testcase.mOutput));
+  }
+}
+
+TEST(Base64, NonASCIIDecoding)
+{
+  for (auto& testcase : sNonASCIITestCases) {
+    nsDependentCString out(testcase.mOutput);
+    nsAutoCString in;
+    nsresult rv = mozilla::Base64Decode(out, in);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(in.Equals(testcase.mInput));
+  }
+}
+
+TEST(Base64, NonASCIIDecodingWideString)
+{
+  for (auto& testcase : sNonASCIITestCases) {
+    nsAutoString in, out;
+    // XXX Handles Latin1 despite the name
+    AppendASCIItoUTF16(nsDependentCString(testcase.mOutput), out);
+    nsresult rv = mozilla::Base64Decode(out, in);
+    ASSERT_NS_SUCCEEDED(rv);
+    // Can't use EqualsASCII, because our comparison string isn't ASCII.
+    for (size_t i = 0; i < in.Length(); ++i) {
+      ASSERT_TRUE(((unsigned int)in[i] & 0xff00) == 0);
+      ASSERT_EQ((unsigned char)in[i], (unsigned char)testcase.mInput[i]);
+    }
+    ASSERT_TRUE(strlen(testcase.mInput) == in.Length());
+  }
+}
+
+// For historical reasons, our wide string base64 encode routines mask off
+// the high bits of non-latin1 wide strings.
+TEST(Base64, EncodeNon8BitWideString)
+{
+  {
+    const nsAutoString non8Bit(u"\x1ff");
+    nsAutoString out;
+    nsresult rv = mozilla::Base64Encode(non8Bit, out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.EqualsLiteral("/w=="));
+  }
+  {
+    const nsAutoString non8Bit(u"\xfff");
+    nsAutoString out;
+    nsresult rv = mozilla::Base64Encode(non8Bit, out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.EqualsLiteral("/w=="));
+  }
+}
+
+// For historical reasons, our wide string base64 decode routines mask off
+// the high bits of non-latin1 wide strings.
+TEST(Base64, DecodeNon8BitWideString)
+{
+  {
+    // This would be "/w==" in a nsCString
+    const nsAutoString non8Bit(u"\x12f\x177==");
+    const nsAutoString expectedOutput(u"\xff");
+    ASSERT_EQ(non8Bit.Length(), 4u);
+    nsAutoString out;
+    nsresult rv = mozilla::Base64Decode(non8Bit, out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.Equals(expectedOutput));
+  }
+  {
+    const nsAutoString non8Bit(u"\xf2f\xf77==");
+    const nsAutoString expectedOutput(u"\xff");
+    nsAutoString out;
+    nsresult rv = mozilla::Base64Decode(non8Bit, out);
+    ASSERT_NS_SUCCEEDED(rv);
+    ASSERT_TRUE(out.Equals(expectedOutput));
+  }
+}
+
+TEST(Base64, DecodeWideTo8Bit)
+{
+  for (auto& testCase : sRFC4648TestCases) {
+    const nsAutoCString in8bit(testCase.mOutput);
+    const NS_ConvertUTF8toUTF16 inWide(testCase.mOutput);
+    nsAutoCString out2;
+    nsAutoCString out1;
+    MOZ_RELEASE_ASSERT(NS_SUCCEEDED(mozilla::Base64Decode(inWide, out1)));
+    MOZ_RELEASE_ASSERT(NS_SUCCEEDED(mozilla::Base64Decode(in8bit, out2)));
+    ASSERT_EQ(out1, out2);
+  }
+}
+
+TEST(Base64, TruncateOnInvalidDecodeCString)
+{
+  constexpr auto invalid = "@@=="_ns;
+  nsAutoCString out("I should be truncated!");
+  nsresult rv = mozilla::Base64Decode(invalid, out);
+  ASSERT_NS_FAILED(rv);
+  ASSERT_EQ(out.Length(), 0u);
+}
+
+TEST(Base64, TruncateOnInvalidDecodeWideString)
+{
+  constexpr auto invalid = u"@@=="_ns;
+  nsAutoString out(u"I should be truncated!");
+  nsresult rv = mozilla::Base64Decode(invalid, out);
+  ASSERT_NS_FAILED(rv);
+  ASSERT_EQ(out.Length(), 0u);
+}
+
+// TODO: Add tests for OOM handling.