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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "android_webview/native/input_stream_impl.h"
      6 #include "base/android/jni_android.h"
      7 #include "base/android/scoped_java_ref.h"
      8 #include "base/memory/scoped_ptr.h"
      9 #include "jni/InputStreamUnittest_jni.h"
     10 #include "net/base/io_buffer.h"
     11 #include "net/base/net_errors.h"
     12 #include "net/http/http_byte_range.h"
     13 
     14 #include "testing/gmock/include/gmock/gmock.h"
     15 #include "testing/gtest/include/gtest/gtest.h"
     16 
     17 using android_webview::InputStream;
     18 using android_webview::InputStreamImpl;
     19 using base::android::AttachCurrentThread;
     20 using base::android::ScopedJavaLocalRef;
     21 using net::IOBuffer;
     22 using testing::DoAll;
     23 using testing::Ge;
     24 using testing::InSequence;
     25 using testing::Lt;
     26 using testing::Ne;
     27 using testing::NotNull;
     28 using testing::Return;
     29 using testing::SetArgPointee;
     30 using testing::Test;
     31 using testing::_;
     32 
     33 class InputStreamTest : public Test {
     34  public:
     35   InputStreamTest() {
     36   }
     37  protected:
     38   virtual void SetUp() {
     39     env_ = AttachCurrentThread();
     40     ASSERT_THAT(env_, NotNull());
     41     ASSERT_TRUE(android_webview::RegisterInputStream(env_));
     42     ASSERT_TRUE(RegisterNativesImpl(env_));
     43   }
     44 
     45   scoped_refptr<IOBuffer> DoReadCountedStreamTest(int stream_size,
     46                                                   int bytes_requested,
     47                                                   int* bytes_read) {
     48     ScopedJavaLocalRef<jobject> counting_jstream =
     49         Java_InputStreamUnittest_getCountingStream(env_, stream_size);
     50     EXPECT_FALSE(counting_jstream.is_null());
     51 
     52     scoped_ptr<InputStream> input_stream(
     53         new InputStreamImpl(counting_jstream));
     54     scoped_refptr<IOBuffer> buffer = new IOBuffer(bytes_requested);
     55 
     56     EXPECT_TRUE(input_stream->Read(buffer.get(), bytes_requested, bytes_read));
     57     return buffer;
     58   }
     59 
     60   JNIEnv* env_;
     61 };
     62 
     63 TEST_F(InputStreamTest, ReadEmptyStream) {
     64   ScopedJavaLocalRef<jobject> empty_jstream =
     65       Java_InputStreamUnittest_getEmptyStream(env_);
     66   EXPECT_FALSE(empty_jstream.is_null());
     67 
     68   scoped_ptr<InputStream> input_stream(new InputStreamImpl(empty_jstream));
     69   const int bytes_requested = 10;
     70   int bytes_read = 0;
     71   scoped_refptr<IOBuffer> buffer = new IOBuffer(bytes_requested);
     72 
     73   EXPECT_TRUE(input_stream->Read(buffer.get(), bytes_requested, &bytes_read));
     74   EXPECT_EQ(0, bytes_read);
     75 }
     76 
     77 TEST_F(InputStreamTest, ReadStreamPartial) {
     78   const int bytes_requested = 128;
     79   int bytes_read = 0;
     80   DoReadCountedStreamTest(bytes_requested * 2, bytes_requested, &bytes_read);
     81   EXPECT_EQ(bytes_requested, bytes_read);
     82 }
     83 
     84 TEST_F(InputStreamTest, ReadStreamCompletely) {
     85   const int bytes_requested = 42;
     86   int bytes_read = 0;
     87   DoReadCountedStreamTest(bytes_requested, bytes_requested, &bytes_read);
     88   EXPECT_EQ(bytes_requested, bytes_read);
     89 }
     90 
     91 TEST_F(InputStreamTest, TryReadMoreThanBuffer) {
     92   const int buffer_size = 3 * InputStreamImpl::kBufferSize;
     93   int bytes_read = 0;
     94   DoReadCountedStreamTest(buffer_size, buffer_size * 2, &bytes_read);
     95   EXPECT_EQ(buffer_size, bytes_read);
     96 }
     97 
     98 TEST_F(InputStreamTest, CheckContentsReadCorrectly) {
     99   const int bytes_requested = 256;
    100   int bytes_read = 0;
    101   scoped_refptr<IOBuffer> buffer =
    102       DoReadCountedStreamTest(bytes_requested, bytes_requested, &bytes_read);
    103   EXPECT_EQ(bytes_requested, bytes_read);
    104   for (int i = 0; i < bytes_requested; ++i) {
    105     EXPECT_EQ(i, (unsigned char)buffer->data()[i]);
    106   }
    107 }
    108 
    109 TEST_F(InputStreamTest, ReadLargeStreamPartial) {
    110   const int bytes_requested = 3 * InputStreamImpl::kBufferSize;
    111   int bytes_read = 0;
    112   DoReadCountedStreamTest(bytes_requested + 32, bytes_requested, &bytes_read);
    113   EXPECT_EQ(bytes_requested, bytes_read);
    114 }
    115 
    116 TEST_F(InputStreamTest, ReadLargeStreamCompletely) {
    117   const int bytes_requested = 3 * InputStreamImpl::kBufferSize;
    118   int bytes_read = 0;
    119   DoReadCountedStreamTest(bytes_requested, bytes_requested, &bytes_read);
    120   EXPECT_EQ(bytes_requested, bytes_read);
    121 }
    122