Function TEST_P

cpp/src/arrow/util/rle_bitmap_test.cc:296–314

class RleRunToBitmapDecoderTest : public ::testing::TestWithParam<rle_size_t> {};

TEST_P(RleRunToBitmapDecoderTest, Decode) {
  const auto& count = GetParam();

  // Only two possible repeated value
  for (bool value : {true, false}) {
    ARROW_SCOPED_TRACE("value = ", value);

    // A boolean RLE run stores its value in a single (1-bit-wide) byte.
    const uint8_t data = value ? 1 : 0;
    const auto run = RleRun(&data, count, /*value_bit_width=*/1);

    // value() reports the repeated boolean.
    RleRunToBitmapDecoder decoder(run);
    EXPECT_EQ(decoder.value(), value);

    const std::vector<bool> expected(count, value);
    CheckBitmapDecoder<RleRunToBitmapDecoder>(run, expected);
  }
}

INSTANTIATE_TEST_SUITE_P(  //
    RleBitmap, RleRunToBitmapDecoderTest,