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#include "gtest/gtest.h"
#include "Helpers.h"
#include "mozilla/SpinEventLoopUntil.h"
#include "nsComponentManagerUtils.h"
#include "nsCOMPtr.h"
#include "nsStreamUtils.h"
#include "nsString.h"
#include "nsStringStream.h"
#include "nsIMIMEInputStream.h"
using mozilla::GetCurrentSerialEventTarget;
using mozilla::SpinEventLoopUntil;
namespace {
class SeekableLengthInputStream final : public testing::LengthInputStream,
public nsISeekableStream {
public:
SeekableLengthInputStream(const nsACString& aBuffer,
bool aIsInputStreamLength,
bool aIsAsyncInputStreamLength,
nsresult aLengthRv = NS_OK,
bool aNegativeValue = false)
: testing::LengthInputStream(aBuffer, aIsInputStreamLength,
aIsAsyncInputStreamLength, aLengthRv,
aNegativeValue) {}
NS_DECL_ISUPPORTS_INHERITED
NS_IMETHOD
Seek(int32_t aWhence, int64_t aOffset) override {
MOZ_CRASH("This method should not be called.");
return NS_ERROR_FAILURE;
}
NS_IMETHOD
Tell(int64_t* aResult) override {
MOZ_CRASH("This method should not be called.");
return NS_ERROR_FAILURE;
}
NS_IMETHOD
SetEOF() override {
MOZ_CRASH("This method should not be called.");
return NS_ERROR_FAILURE;
}
private:
~SeekableLengthInputStream() = default;
};
NS_IMPL_ISUPPORTS_INHERITED(SeekableLengthInputStream,
testing::LengthInputStream, nsISeekableStream)
} // namespace
// nsIInputStreamLength && nsIAsyncInputStreamLength
TEST(TestNsMIMEInputStream, QIInputStreamLength)
{
nsCString buf;
buf.AssignLiteral("Hello world");
for (int i = 0; i < 4; i++) {
nsCOMPtr<nsIInputStream> mis;
{
RefPtr<SeekableLengthInputStream> stream =
new SeekableLengthInputStream(buf, i % 2, i > 1);
nsresult rv;
nsCOMPtr<nsIMIMEInputStream> m(
do_CreateInstance("@mozilla.org/network/mime-input-stream;1", &rv));
ASSERT_EQ(NS_OK, rv);
rv = m->SetData(stream);
ASSERT_EQ(NS_OK, rv);
mis = m;
ASSERT_TRUE(!!mis);
}
{
nsCOMPtr<nsIInputStreamLength> qi = do_QueryInterface(mis);
ASSERT_EQ(!!(i % 2), !!qi);
}
{
nsCOMPtr<nsIAsyncInputStreamLength> qi = do_QueryInterface(mis);
ASSERT_EQ(i > 1, !!qi);
}
}
}
TEST(TestNsMIMEInputStream, InputStreamLength)
{
nsCString buf;
buf.AssignLiteral("Hello world");
nsCOMPtr<nsIInputStream> mis;
{
RefPtr<SeekableLengthInputStream> stream =
new SeekableLengthInputStream(buf, true, false);
nsresult rv;
nsCOMPtr<nsIMIMEInputStream> m(
do_CreateInstance("@mozilla.org/network/mime-input-stream;1", &rv));
ASSERT_EQ(NS_OK, rv);
rv = m->SetData(stream);
ASSERT_EQ(NS_OK, rv);
mis = m;
ASSERT_TRUE(!!mis);
}
nsCOMPtr<nsIInputStreamLength> qi = do_QueryInterface(mis);
ASSERT_TRUE(!!qi);
int64_t size;
nsresult rv = qi->Length(&size);
ASSERT_EQ(NS_OK, rv);
ASSERT_EQ(buf.Length(), size);
}
TEST(TestNsMIMEInputStream, NegativeInputStreamLength)
{
nsCString buf;
buf.AssignLiteral("Hello world");
nsCOMPtr<nsIInputStream> mis;
{
RefPtr<SeekableLengthInputStream> stream =
new SeekableLengthInputStream(buf, true, false, NS_OK, true);
nsresult rv;
nsCOMPtr<nsIMIMEInputStream> m(
do_CreateInstance("@mozilla.org/network/mime-input-stream;1", &rv));
ASSERT_EQ(NS_OK, rv);
rv = m->SetData(stream);
ASSERT_EQ(NS_OK, rv);
mis = m;
ASSERT_TRUE(!!mis);
}
nsCOMPtr<nsIInputStreamLength> qi = do_QueryInterface(mis);
ASSERT_TRUE(!!qi);
int64_t size;
nsresult rv = qi->Length(&size);
ASSERT_EQ(NS_OK, rv);
ASSERT_EQ(-1, size);
}
TEST(TestNsMIMEInputStream, AsyncInputStreamLength)
{
nsCString buf;
buf.AssignLiteral("Hello world");
nsCOMPtr<nsIInputStream> mis;
{
RefPtr<SeekableLengthInputStream> stream =
new SeekableLengthInputStream(buf, false, true);
nsresult rv;
nsCOMPtr<nsIMIMEInputStream> m(
do_CreateInstance("@mozilla.org/network/mime-input-stream;1", &rv));
ASSERT_EQ(NS_OK, rv);
rv = m->SetData(stream);
ASSERT_EQ(NS_OK, rv);
mis = m;
ASSERT_TRUE(!!mis);
}
nsCOMPtr<nsIAsyncInputStreamLength> qi = do_QueryInterface(mis);
ASSERT_TRUE(!!qi);
RefPtr<testing::LengthCallback> callback = new testing::LengthCallback();
nsresult rv = qi->AsyncLengthWait(callback, GetCurrentSerialEventTarget());
ASSERT_EQ(NS_OK, rv);
MOZ_ALWAYS_TRUE(SpinEventLoopUntil([&]() { return callback->Called(); }));
ASSERT_EQ(buf.Length(), callback->Size());
}
TEST(TestNsMIMEInputStream, NegativeAsyncInputStreamLength)
{
nsCString buf;
buf.AssignLiteral("Hello world");
nsCOMPtr<nsIInputStream> mis;
{
RefPtr<SeekableLengthInputStream> stream =
new SeekableLengthInputStream(buf, false, true, NS_OK, true);
nsresult rv;
nsCOMPtr<nsIMIMEInputStream> m(
do_CreateInstance("@mozilla.org/network/mime-input-stream;1", &rv));
ASSERT_EQ(NS_OK, rv);
rv = m->SetData(stream);
ASSERT_EQ(NS_OK, rv);
mis = m;
ASSERT_TRUE(!!mis);
}
nsCOMPtr<nsIAsyncInputStreamLength> qi = do_QueryInterface(mis);
ASSERT_TRUE(!!qi);
RefPtr<testing::LengthCallback> callback = new testing::LengthCallback();
nsresult rv = qi->AsyncLengthWait(callback, GetCurrentSerialEventTarget());
ASSERT_EQ(NS_OK, rv);
MOZ_ALWAYS_TRUE(SpinEventLoopUntil([&]() { return callback->Called(); }));
ASSERT_EQ(-1, callback->Size());
}
TEST(TestNsMIMEInputStream, AbortLengthCallback)
{
nsCString buf;
buf.AssignLiteral("Hello world");
nsCOMPtr<nsIInputStream> mis;
{
RefPtr<SeekableLengthInputStream> stream =
new SeekableLengthInputStream(buf, false, true, NS_OK, true);
nsresult rv;
nsCOMPtr<nsIMIMEInputStream> m(
do_CreateInstance("@mozilla.org/network/mime-input-stream;1", &rv));
ASSERT_EQ(NS_OK, rv);
rv = m->SetData(stream);
ASSERT_EQ(NS_OK, rv);
mis = m;
ASSERT_TRUE(!!mis);
}
nsCOMPtr<nsIAsyncInputStreamLength> qi = do_QueryInterface(mis);
ASSERT_TRUE(!!qi);
RefPtr<testing::LengthCallback> callback1 = new testing::LengthCallback();
nsresult rv = qi->AsyncLengthWait(callback1, GetCurrentSerialEventTarget());
ASSERT_EQ(NS_OK, rv);
RefPtr<testing::LengthCallback> callback2 = new testing::LengthCallback();
rv = qi->AsyncLengthWait(callback2, GetCurrentSerialEventTarget());
ASSERT_EQ(NS_OK, rv);
MOZ_ALWAYS_TRUE(SpinEventLoopUntil([&]() { return callback2->Called(); }));
ASSERT_TRUE(!callback1->Called());
ASSERT_EQ(-1, callback2->Size());
}
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