forked from apache/arrow
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathdatum_test.cc
More file actions
177 lines (137 loc) · 5.35 KB
/
Copy pathdatum_test.cc
File metadata and controls
177 lines (137 loc) · 5.35 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 <chrono>
#include <memory>
#include <string>
#include <gtest/gtest.h>
#include "arrow/array/array_base.h"
#include "arrow/array/array_binary.h"
#include "arrow/chunked_array.h"
#include "arrow/datum.h"
#include "arrow/record_batch.h"
#include "arrow/scalar.h"
#include "arrow/table.h"
#include "arrow/testing/gtest_util.h"
#include "arrow/type_fwd.h"
#include "arrow/util/checked_cast.h"
namespace arrow {
using internal::checked_cast;
// ----------------------------------------------------------------------
// Datum
template <typename T>
void CheckImplicitConstructor(Datum::Kind expected_kind) {
std::shared_ptr<T> value;
Datum datum = value;
ASSERT_EQ(expected_kind, datum.kind());
}
TEST(Datum, ImplicitConstructors) {
CheckImplicitConstructor<Scalar>(Datum::SCALAR);
CheckImplicitConstructor<Array>(Datum::ARRAY);
// Instantiate from array subclass
CheckImplicitConstructor<BinaryArray>(Datum::ARRAY);
CheckImplicitConstructor<ChunkedArray>(Datum::CHUNKED_ARRAY);
CheckImplicitConstructor<RecordBatch>(Datum::RECORD_BATCH);
CheckImplicitConstructor<Table>(Datum::TABLE);
}
TEST(Datum, Constructors) {
Datum val(std::make_shared<Int64Scalar>(1));
AssertTypeEqual(*int64(), *val.type());
ASSERT_TRUE(val.is_scalar());
ASSERT_FALSE(val.is_array());
ASSERT_EQ(1, val.length());
const Int64Scalar& val_as_i64 = checked_cast<const Int64Scalar&>(*val.scalar());
const Int64Scalar& val_as_i64_2 = val.scalar_as<Int64Scalar>();
ASSERT_EQ(1, val_as_i64.value);
ASSERT_EQ(1, val_as_i64_2.value);
auto arr = ArrayFromJSON(int64(), "[1, 2, 3, 4]");
auto sel_indices = ArrayFromJSON(int32(), "[0, 3]");
Datum val2(arr);
ASSERT_EQ(Datum::ARRAY, val2.kind());
AssertTypeEqual(*int64(), *val2.type());
AssertArraysEqual(*arr, *val2.make_array());
ASSERT_TRUE(val2.is_array());
ASSERT_FALSE(val2.is_scalar());
ASSERT_EQ(arr->length(), val2.length());
auto Check = [&](const Datum& v) { AssertArraysEqual(*arr, *v.make_array()); };
// Copy constructor
Datum val3 = val2;
Check(val3);
// Copy assignment
Datum val4;
val4 = val2;
Check(val4);
// Move constructor
Datum val5 = std::move(val2);
Check(val5);
// Move assignment
Datum val6;
val6 = std::move(val4);
Check(val6);
AssertDatumsEqual(Datum{std::chrono::nanoseconds{1235}},
Datum{DurationScalar{1235, TimeUnit::NANO}});
AssertDatumsEqual(Datum{std::chrono::microseconds{58}},
Datum{DurationScalar{58, TimeUnit::MICRO}});
AssertDatumsEqual(Datum{std::chrono::milliseconds{952}},
Datum{DurationScalar{952, TimeUnit::MILLI}});
AssertDatumsEqual(Datum{std::chrono::seconds{625}},
Datum{DurationScalar{625, TimeUnit::SECOND}});
AssertDatumsEqual(Datum{std::chrono::minutes{2}},
Datum{DurationScalar{120, TimeUnit::SECOND}});
// finer than nanoseconds; we can't represent this without truncation
using picoseconds = std::chrono::duration<int64_t, std::pico>;
static_assert(!std::is_constructible_v<Datum, picoseconds>);
// between seconds and milliseconds; we could represent this as milliseconds safely, but
// it's a pain to support
using centiseconds = std::chrono::duration<int64_t, std::centi>;
static_assert(!std::is_constructible_v<Datum, centiseconds>);
}
TEST(Datum, NullCount) {
Datum val1(std::make_shared<Int8Scalar>(1));
ASSERT_EQ(0, val1.null_count());
Datum val2(MakeNullScalar(int8()));
ASSERT_EQ(1, val2.null_count());
Datum val3(ArrayFromJSON(int8(), "[1, null, null, null]"));
ASSERT_EQ(3, val3.null_count());
}
TEST(Datum, MutableArray) {
auto arr = ArrayFromJSON(int8(), "[1, 2, 3, 4]");
Datum val(arr);
val.mutable_array()->length = 0;
ASSERT_EQ(0, val.array()->length);
}
TEST(Datum, ToString) {
auto arr = ArrayFromJSON(int8(), "[1, 2, 3, 4]");
Datum v1(arr);
Datum v2(std::make_shared<Int8Scalar>(1));
ASSERT_EQ("Array", v1.ToString());
ASSERT_EQ("Scalar", v2.ToString());
}
TEST(Datum, TotalBufferSize) {
auto arr = ArrayFromJSON(int8(), "[1, 2, 3, 4]");
Datum arr_datum(arr);
ASSERT_OK_AND_ASSIGN(std::shared_ptr<ChunkedArray> chunked_arr,
ChunkedArray::Make({arr}));
Datum chunked_datum(chunked_arr);
std::shared_ptr<Schema> schm = schema({field("a", int8())});
Datum rb_datum(RecordBatch::Make(schm, 4, {arr}));
Datum tab_datum(Table::Make(std::move(schm), {std::move(arr)}, 4));
ASSERT_EQ(4, arr_datum.TotalBufferSize());
ASSERT_EQ(4, chunked_datum.TotalBufferSize());
ASSERT_EQ(4, rb_datum.TotalBufferSize());
ASSERT_EQ(4, tab_datum.TotalBufferSize());
}
} // namespace arrow