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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
package kotlinx.serialization
import kotlinx.serialization.builtins.ListSerializer
import kotlinx.serialization.builtins.MapSerializer
import kotlinx.serialization.descriptors.PrimitiveKind
import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder
import kotlinx.serialization.json.*
import org.junit.Test
import java.math.BigDecimal
private typealias BigDecimalKxs = @Serializable(with = BigDecimalNumericSerializer::class) BigDecimal
class BigDecimalTest : JsonTestBase() {
private val json = Json {
prettyPrint = true
}
private inline fun <reified T> assertBigDecimalJsonFormAndRestored(
expected: String,
actual: T,
serializer: KSerializer<T> = serializer(),
) = assertJsonFormAndRestored(
serializer,
actual,
expected,
json
)
@Test
fun bigDecimal() {
fun test(expected: String, actual: BigDecimal) =
assertBigDecimalJsonFormAndRestored(expected, actual, BigDecimalNumericSerializer)
test("0", BigDecimal.ZERO)
test("1", BigDecimal.ONE)
test("-1", BigDecimal("-1"))
test("10", BigDecimal.TEN)
test(bdExpected1, bdActual1)
test(bdExpected2, bdActual2)
test(bdExpected3, bdActual3)
test(bdExpected4, bdActual4)
test(bdExpected5, bdActual5)
test(bdExpected6, bdActual6)
}
@Test
fun bigDecimalList() {
val bdList: List<BigDecimal> = listOf(
bdActual1,
bdActual2,
bdActual3,
bdActual4,
bdActual5,
bdActual6,
)
val expected =
"""
[
$bdExpected1,
$bdExpected2,
$bdExpected3,
$bdExpected4,
$bdExpected5,
$bdExpected6
]
""".trimIndent()
assertJsonFormAndRestored(
ListSerializer(BigDecimalNumericSerializer),
bdList,
expected,
json,
)
}
@Test
fun bigDecimalMap() {
val bdMap: Map<BigDecimal, BigDecimal> = mapOf(
bdActual1 to bdActual2,
bdActual3 to bdActual4,
bdActual5 to bdActual6,
)
val expected =
"""
{
"$bdExpected1": $bdExpected2,
"$bdExpected3": $bdExpected4,
"$bdExpected5": $bdExpected6
}
""".trimIndent()
assertJsonFormAndRestored(
MapSerializer(BigDecimalNumericSerializer, BigDecimalNumericSerializer),
bdMap,
expected,
json,
)
}
@Test
fun bigDecimalHolder() {
val bdHolder = BigDecimalHolder(
bd = bdActual1,
bdList = listOf(
bdActual1,
bdActual2,
bdActual3,
),
bdMap = mapOf(
bdActual1 to bdActual2,
bdActual3 to bdActual4,
bdActual5 to bdActual6,
),
)
val expected =
"""
{
"bd": $bdExpected1,
"bdList": [
$bdExpected1,
$bdExpected2,
$bdExpected3
],
"bdMap": {
"$bdExpected1": $bdExpected2,
"$bdExpected3": $bdExpected4,
"$bdExpected5": $bdExpected6
}
}
""".trimIndent()
assertBigDecimalJsonFormAndRestored(
expected,
bdHolder,
)
}
companion object {
// test data
private val bdActual1 = BigDecimal("725345854747326287606413621318.311864440287151714280387858224")
private val bdActual2 = BigDecimal("336052472523017262165484244513.836582112201211216526831524328")
private val bdActual3 = BigDecimal("211054843014778386028147282517.011200287614476453868782405400")
private val bdActual4 = BigDecimal("364751025728628060231208776573.207325218263752602211531367642")
private val bdActual5 = BigDecimal("508257556021513833656664177125.824502734715222686411316853148")
private val bdActual6 = BigDecimal("127134584027580606401102614002.366672301517071543257300444000")
private const val bdExpected1 = "725345854747326287606413621318.311864440287151714280387858224"
private const val bdExpected2 = "336052472523017262165484244513.836582112201211216526831524328"
private const val bdExpected3 = "211054843014778386028147282517.011200287614476453868782405400"
private const val bdExpected4 = "364751025728628060231208776573.207325218263752602211531367642"
private const val bdExpected5 = "508257556021513833656664177125.824502734715222686411316853148"
private const val bdExpected6 = "127134584027580606401102614002.366672301517071543257300444000"
}
}
@Serializable
private data class BigDecimalHolder(
val bd: BigDecimalKxs,
val bdList: List<BigDecimalKxs>,
val bdMap: Map<BigDecimalKxs, BigDecimalKxs>,
)
private object BigDecimalNumericSerializer : KSerializer<BigDecimal> {
override val descriptor = PrimitiveSerialDescriptor("java.math.BigDecimal", PrimitiveKind.DOUBLE)
override fun deserialize(decoder: Decoder): BigDecimal {
return if (decoder is JsonDecoder) {
BigDecimal(decoder.decodeJsonElement().jsonPrimitive.content)
} else {
BigDecimal(decoder.decodeString())
}
}
override fun serialize(encoder: Encoder, value: BigDecimal) {
val bdString = value.toPlainString()
if (encoder is JsonEncoder) {
encoder.encodeJsonElement(JsonUnquotedLiteral(bdString))
} else {
encoder.encodeString(bdString)
}
}
}
|
