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#include "gtest/gtest.h"
#include "Helpers.h"
#include "nsCOMPtr.h"
#include "nsNetUtil.h"
#include "nsStringStream.h"
// Here we test the reading a pre-allocated size
TEST(TestReadStreamToString, SyncStreamPreAllocatedSize)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream;
ASSERT_EQ(NS_OK, NS_NewCStringInputStream(getter_AddRefs(stream), buffer));
uint64_t written;
nsAutoCString result;
result.SetLength(5);
void* ptr = result.BeginWriting();
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result, 5, &written));
ASSERT_EQ((uint64_t)5, written);
ASSERT_TRUE(nsCString(buffer.get(), 5).Equals(result));
// The pointer should be equal: no relocation.
ASSERT_EQ(ptr, result.BeginWriting());
}
// Here we test the reading the full size of a sync stream
TEST(TestReadStreamToString, SyncStreamFullSize)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream;
ASSERT_EQ(NS_OK, NS_NewCStringInputStream(getter_AddRefs(stream), buffer));
uint64_t written;
nsAutoCString result;
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result, buffer.Length(),
&written));
ASSERT_EQ(buffer.Length(), written);
ASSERT_TRUE(buffer.Equals(result));
}
// Here we test the reading less than the full size of a sync stream
TEST(TestReadStreamToString, SyncStreamLessThan)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream;
ASSERT_EQ(NS_OK, NS_NewCStringInputStream(getter_AddRefs(stream), buffer));
uint64_t written;
nsAutoCString result;
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result, 5, &written));
ASSERT_EQ((uint64_t)5, written);
ASSERT_TRUE(nsCString(buffer.get(), 5).Equals(result));
}
// Here we test the reading more than the full size of a sync stream
TEST(TestReadStreamToString, SyncStreamMoreThan)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream;
ASSERT_EQ(NS_OK, NS_NewCStringInputStream(getter_AddRefs(stream), buffer));
uint64_t written;
nsAutoCString result;
// Reading more than the buffer size.
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result,
buffer.Length() + 5, &written));
ASSERT_EQ(buffer.Length(), written);
ASSERT_TRUE(buffer.Equals(result));
}
// Here we test the reading a sync stream without passing the size
TEST(TestReadStreamToString, SyncStreamUnknownSize)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream;
ASSERT_EQ(NS_OK, NS_NewCStringInputStream(getter_AddRefs(stream), buffer));
uint64_t written;
nsAutoCString result;
// Reading all without passing the size
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result, -1, &written));
ASSERT_EQ(buffer.Length(), written);
ASSERT_TRUE(buffer.Equals(result));
}
// Here we test the reading the full size of an async stream
TEST(TestReadStreamToString, AsyncStreamFullSize)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream = new testing::AsyncStringStream(buffer);
uint64_t written;
nsAutoCString result;
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result, buffer.Length(),
&written));
ASSERT_EQ(buffer.Length(), written);
ASSERT_TRUE(buffer.Equals(result));
}
// Here we test the reading less than the full size of an async stream
TEST(TestReadStreamToString, AsyncStreamLessThan)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream = new testing::AsyncStringStream(buffer);
uint64_t written;
nsAutoCString result;
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result, 5, &written));
ASSERT_EQ((uint64_t)5, written);
ASSERT_TRUE(nsCString(buffer.get(), 5).Equals(result));
}
// Here we test the reading more than the full size of an async stream
TEST(TestReadStreamToString, AsyncStreamMoreThan)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream = new testing::AsyncStringStream(buffer);
uint64_t written;
nsAutoCString result;
// Reading more than the buffer size.
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result,
buffer.Length() + 5, &written));
ASSERT_EQ(buffer.Length(), written);
ASSERT_TRUE(buffer.Equals(result));
}
// Here we test the reading an async stream without passing the size
TEST(TestReadStreamToString, AsyncStreamUnknownSize)
{
nsCString buffer;
buffer.AssignLiteral("Hello world!");
nsCOMPtr<nsIInputStream> stream = new testing::AsyncStringStream(buffer);
uint64_t written;
nsAutoCString result;
// Reading all without passing the size
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result, -1, &written));
ASSERT_EQ(buffer.Length(), written);
ASSERT_TRUE(buffer.Equals(result));
}
// Here we test the reading an async big stream without passing the size
TEST(TestReadStreamToString, AsyncStreamUnknownBigSize)
{
nsCString buffer;
buffer.SetLength(4096 * 2);
for (uint32_t i = 0; i < 4096 * 2; ++i) {
buffer.BeginWriting()[i] = i % 10;
}
nsCOMPtr<nsIInputStream> stream = new testing::AsyncStringStream(buffer);
uint64_t written;
nsAutoCString result;
// Reading all without passing the size
ASSERT_EQ(NS_OK, NS_ReadInputStreamToString(stream, result, -1, &written));
ASSERT_EQ(buffer.Length(), written);
ASSERT_TRUE(buffer.Equals(result));
}
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