[Android] Adding tests for jlongArray conversions to vectors

base/android/jni_array_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/android/jni_array.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/scoped_java_ref.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 94 matching lines @@
 
   ASSERT_EQ(static_cast<jsize>(ints.size()), env->GetArrayLength(jints.obj()));
 
   jint value;
   for (size_t i = 0; i < kLen; ++i) {
     env->GetIntArrayRegion(jints.obj(), i, 1, &value);
     ASSERT_EQ(ints[i], value);
   }
 }
 
+TEST(JniArray, JavaLongArrayToInt64Vector) {
+  const int64 kInt64s[] = {0LL, 1LL, -1LL};
+  const size_t kLen = arraysize(kInt64s);
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jlongArray> jlongs(env, env->NewLongArray(kLen));
+  ASSERT_TRUE(jlongs.obj());
+
+  for (size_t i = 0; i < kLen; ++i) {
+    jlong j = static_cast<jlong>(kInt64s[i]);
+    env->SetLongArrayRegion(jlongs.obj(), i, 1, &j);
+    ASSERT_FALSE(HasException(env));
+  }
+
+  std::vector<int64> int64s;
+  JavaLongArrayToInt64Vector(env, jlongs.obj(), &int64s);
+
+  ASSERT_EQ(static_cast<jsize>(int64s.size()),
+            env->GetArrayLength(jlongs.obj()));
+
+  jlong value;
+  for (size_t i = 0; i < kLen; ++i) {
+    env->GetLongArrayRegion(jlongs.obj(), i, 1, &value);
+    ASSERT_EQ(int64s[i], value);
+    ASSERT_EQ(kInt64s[i], int64s[i]);
+  }
+}
+
+TEST(JniArray, JavaLongArrayToLongVector) {
+  const int64 kInt64s[] = {0LL, 1LL, -1LL};
+  const size_t kLen = arraysize(kInt64s);
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jlongArray> jlongs(env, env->NewLongArray(kLen));
+  ASSERT_TRUE(jlongs.obj());
+
+  for (size_t i = 0; i < kLen; ++i) {
+    jlong j = static_cast<jlong>(kInt64s[i]);
+    env->SetLongArrayRegion(jlongs.obj(), i, 1, &j);
+    ASSERT_FALSE(HasException(env));
+  }
+
+  std::vector<jlong> jlongs_vector;
+  JavaLongArrayToLongVector(env, jlongs.obj(), &jlongs_vector);
+
+  ASSERT_EQ(static_cast<jsize>(jlongs_vector.size()),
+            env->GetArrayLength(jlongs.obj()));
+
+  jlong value;
+  for (size_t i = 0; i < kLen; ++i) {
+    env->GetLongArrayRegion(jlongs.obj(), i, 1, &value);
+    ASSERT_EQ(jlongs_vector[i], value);
+  }
+}
+
 TEST(JniArray, JavaFloatArrayToFloatVector) {
   const float kFloats[] = {0.0, 0.5, -0.5};
   const size_t kLen = arraysize(kFloats);
 
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jfloatArray> jfloats(env, env->NewFloatArray(kLen));
   ASSERT_TRUE(jfloats.obj());
 
   for (size_t i = 0; i < kLen; ++i) {
     jfloat j = static_cast<jfloat>(kFloats[i]);
@@ skipping 45 matching lines @@
 
   EXPECT_EQ(static_cast<size_t>(kMaxItems), vec.size());
   for (int i = 0; i < kMaxItems; ++i) {
     snprintf(text, sizeof text, "%d", i);
     EXPECT_STREQ(text, vec[i].c_str());
   }
 }
 
 }  // namespace android
 }  // namespace base