mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-21 13:47:50 +08:00
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
// (C) Copyright 2017, Google Inc.
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "kdpair.h"
|
|
#include "statistc.h"
|
|
|
|
#include "include_gunit.h"
|
|
|
|
namespace tesseract {
|
|
|
|
const int kTestData[] = {2, 0, 12, 1, 1, 2, 10, 1, 0, 0, 0, 2, 0, 4, 1, 1};
|
|
|
|
class STATSTest : public testing::Test {
|
|
public:
|
|
void SetUp() override {
|
|
std::locale::global(std::locale(""));
|
|
stats_.set_range(0, 16);
|
|
for (size_t i = 0; i < countof(kTestData); ++i) {
|
|
stats_.add(i, kTestData[i]);
|
|
}
|
|
}
|
|
|
|
void TearDown() override {}
|
|
|
|
STATS stats_;
|
|
};
|
|
|
|
// Tests some basic numbers from the stats_.
|
|
TEST_F(STATSTest, BasicStats) {
|
|
EXPECT_EQ(37, stats_.get_total());
|
|
EXPECT_EQ(2, stats_.mode());
|
|
EXPECT_EQ(12, stats_.pile_count(2));
|
|
}
|
|
|
|
// Tests the top_n_modes function.
|
|
TEST_F(STATSTest, TopNModes) {
|
|
std::vector<tesseract::KDPairInc<float, int> > modes;
|
|
int num_modes = stats_.top_n_modes(3, modes);
|
|
EXPECT_EQ(3, num_modes);
|
|
// Mode0 is 12 1 1 = 14 total count with a mean of 2 3/14.
|
|
EXPECT_FLOAT_EQ(2.0f + 3.0f / 14, modes[0].key());
|
|
EXPECT_EQ(14, modes[0].data());
|
|
// Mode 1 is 2 10 1 = 13 total count with a mean of 5 12/13.
|
|
EXPECT_FLOAT_EQ(5.0f + 12.0f / 13, modes[1].key());
|
|
EXPECT_EQ(13, modes[1].data());
|
|
// Mode 2 is 4 1 1 = 6 total count with a mean of 13.5.
|
|
EXPECT_FLOAT_EQ(13.5f, modes[2].key());
|
|
EXPECT_EQ(6, modes[2].data());
|
|
}
|
|
|
|
} // namespace tesseract
|