am eff9be9c: Merge "Implement IntArrayView.copyToBuffer()."
* commit 'eff9be9cd63ed209c2bee833e6caf10d8f127aed': Implement IntArrayView.copyToBuffer().main
commit
00fd1d6a30
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@ -17,8 +17,9 @@
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#ifndef LATINIME_INT_ARRAY_VIEW_H
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#define LATINIME_INT_ARRAY_VIEW_H
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#include <array>
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#include <cstdint>
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#include <cstdlib>
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#include <cstring>
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#include <vector>
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#include "defines.h"
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@ -103,6 +104,12 @@ class IntArrayView {
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return IntArrayView(mPtr + n, mSize - n);
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}
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template <size_t N>
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void copyToArray(std::array<int, N> *const buffer, const size_t offset) const {
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ASSERT(mSize + offset <= N);
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memmove(buffer->data() + offset, mPtr, sizeof(int) * mSize);
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}
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private:
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DISALLOW_ASSIGNMENT_OPERATOR(IntArrayView);
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@ -18,6 +18,7 @@
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#include <gtest/gtest.h>
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#include <array>
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#include <vector>
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namespace latinime {
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@ -89,5 +90,26 @@ TEST(IntArrayViewTest, TestSkip) {
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}
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}
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TEST(IntArrayViewTest, TestCopyToArray) {
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// "{{" to suppress warning.
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std::array<int, 7> buffer = {{10, 20, 30, 40, 50, 60, 70}};
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const std::vector<int> intVector = {3, 2, 1, 0, -1, -2};
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IntArrayView intArrayView(intVector);
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intArrayView.limit(0).copyToArray(&buffer, 0);
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EXPECT_EQ(10, buffer[0]);
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EXPECT_EQ(20, buffer[1]);
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intArrayView.limit(1).copyToArray(&buffer, 0);
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EXPECT_EQ(intVector[0], buffer[0]);
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EXPECT_EQ(20, buffer[1]);
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intArrayView.limit(1).copyToArray(&buffer, 1);
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EXPECT_EQ(intVector[0], buffer[0]);
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EXPECT_EQ(intVector[0], buffer[1]);
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intArrayView.copyToArray(&buffer, 0);
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for (size_t i = 0; i < intArrayView.size(); ++i) {
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EXPECT_EQ(intVector[i], buffer[i]);
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}
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EXPECT_EQ(70, buffer[6]);
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}
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} // namespace
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} // namespace latinime
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