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Commit 07315f94 authored by Keisuke Kuroyanagi's avatar Keisuke Kuroyanagi Committed by Android (Google) Code Review
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Merge "Implement IntArrayView::skip()."

parents b85349e9 e394a0c6

native/jni/src/utils/int_array_view.h

+7 −0
Original line number Diff line number Diff line
@@ -96,6 +96,13 @@ class IntArrayView { 
        return IntArrayView(mPtr, std::min(maxSize, mSize));

    }



    const IntArrayView skip(const size_t n) const {

        if (mSize <= n) {

            return IntArrayView();

        }

        return IntArrayView(mPtr + n, mSize - n);

    }



 private:

    DISALLOW_ASSIGNMENT_OPERATOR(IntArrayView);

native/jni/tests/utils/int_array_view_test.cpp

+17 −0
Original line number Diff line number Diff line
@@ -72,5 +72,22 @@ TEST(IntArrayViewTest, TestLimit) { 
    }

}



TEST(IntArrayViewTest, TestSkip) {

    const std::vector<int> intVector = {3, 2, 1, 0, -1, -2};

    IntArrayView intArrayView(intVector);



    EXPECT_TRUE(intArrayView.skip(intVector.size()).empty());

    EXPECT_TRUE(intArrayView.skip(intVector.size() + 1).empty());

    EXPECT_EQ(intArrayView.size(), intArrayView.skip(0).size());

    EXPECT_EQ(intArrayView.size(), intArrayView.limit(1000).size());



    static const size_t SKIP_COUNT = 2;

    IntArrayView subView = intArrayView.skip(SKIP_COUNT);

    EXPECT_EQ(intVector.size() - SKIP_COUNT, subView.size());

    for (size_t i = 0; i < subView.size(); ++i) {

        EXPECT_EQ(intVector[i + SKIP_COUNT], subView[i]);

    }

}



}  // namespace

}  // namespace latinime