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add test for range generator

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taiyang-li 2022-04-22 12:33:16 +08:00
parent adb1288e10
commit 6bcf24ae36
1 changed files with 26 additions and 0 deletions
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src/Common/tests/gtest_range_generator.cpp Normal file
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#include <Common/RangeGenerator.h>
#include <gtest/gtest.h>
using namespace DB;
TEST(RangeGenerator, Common)
{
RangeGenerator g{25, 10};
EXPECT_EQ(g.totalRanges(), 3);
auto r = g.nextRange();
EXPECT_TRUE(r);
EXPECT_EQ(*r, RangeGenerator::Range(0, 10));
r = g.nextRange();
EXPECT_TRUE(r);
EXPECT_EQ(*r, RangeGenerator::Range(10, 20));
r = g.nextRange();
EXPECT_TRUE(r);
EXPECT_EQ(*r, RangeGenerator::Range(20, 25));
r = g.nextRange();
EXPECT_TRUE(!r);
}