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/*
* Copyright 2017-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.serialization.json.serializers
import kotlinx.serialization.json.*
import kotlinx.serialization.test.*
import kotlin.test.*
class JsonPrimitiveSerializerTest : JsonTestBase() {
@Test
fun testJsonPrimitiveDouble() = parametrizedTest { jsonTestingMode ->
if (isJs()) return@parametrizedTest // JS toString numbers
val wrapper = JsonPrimitiveWrapper(JsonPrimitive(1.0))
val string = default.encodeToString(JsonPrimitiveWrapper.serializer(), wrapper, jsonTestingMode)
assertEquals("{\"primitive\":1.0}", string)
assertEquals(JsonPrimitiveWrapper(JsonPrimitive(1.0)), default.decodeFromString(JsonPrimitiveWrapper.serializer(), string, jsonTestingMode))
}
@Test
fun testJsonPrimitiveInt() = parametrizedTest { jsonTestingMode ->
val wrapper = JsonPrimitiveWrapper(JsonPrimitive(1))
val string = default.encodeToString(JsonPrimitiveWrapper.serializer(), wrapper, jsonTestingMode)
assertEquals("{\"primitive\":1}", string)
assertEquals(JsonPrimitiveWrapper(JsonPrimitive(1)), default.decodeFromString(JsonPrimitiveWrapper.serializer(), string, jsonTestingMode))
}
@Test
fun testJsonPrimitiveString() = parametrizedTest { jsonTestingMode ->
val wrapper = JsonPrimitiveWrapper(JsonPrimitive("foo"))
val string = default.encodeToString(JsonPrimitiveWrapper.serializer(), wrapper, jsonTestingMode)
assertEquals("{\"primitive\":\"foo\"}", string)
assertEquals(JsonPrimitiveWrapper(JsonPrimitive("foo")), default.decodeFromString(JsonPrimitiveWrapper.serializer(), string, jsonTestingMode))
}
@Test
fun testJsonPrimitiveStringNumber() = parametrizedTest { jsonTestingMode ->
val wrapper = JsonPrimitiveWrapper(JsonPrimitive("239"))
val string = default.encodeToString(JsonPrimitiveWrapper.serializer(), wrapper, jsonTestingMode)
assertEquals("{\"primitive\":\"239\"}", string)
assertEquals(JsonPrimitiveWrapper(JsonPrimitive("239")), default.decodeFromString(JsonPrimitiveWrapper.serializer(), string, jsonTestingMode))
}
@Test
fun testJsonUnquotedLiteralNumbers() = parametrizedTest { jsonTestingMode ->
listOf(
"99999999999999999999999999999999999999999999999999999999999999999999999999",
"99999999999999999999999999999999999999.999999999999999999999999999999999999",
"-99999999999999999999999999999999999999999999999999999999999999999999999999",
"-99999999999999999999999999999999999999.999999999999999999999999999999999999",
"2.99792458e8",
"-2.99792458e8",
).forEach { literalNum ->
val literalNumJson = JsonUnquotedLiteral(literalNum)
val wrapper = JsonPrimitiveWrapper(literalNumJson)
val string = default.encodeToString(JsonPrimitiveWrapper.serializer(), wrapper, jsonTestingMode)
assertEquals("{\"primitive\":$literalNum}", string, "mode:$jsonTestingMode")
assertEquals(
JsonPrimitiveWrapper(literalNumJson),
default.decodeFromString(JsonPrimitiveWrapper.serializer(), string, jsonTestingMode),
"mode:$jsonTestingMode",
)
}
}
@Test
fun testTopLevelPrimitive() = parametrizedTest { jsonTestingMode ->
val string = default.encodeToString(JsonPrimitive.serializer(), JsonPrimitive(42), jsonTestingMode)
assertEquals("42", string)
assertEquals(JsonPrimitive(42), default.decodeFromString(JsonPrimitive.serializer(), string))
}
@Test
fun testTopLevelPrimitiveAsElement() = parametrizedTest { jsonTestingMode ->
if (isJs()) return@parametrizedTest // JS toString numbers
val string = default.encodeToString(JsonElement.serializer(), JsonPrimitive(1.3), jsonTestingMode)
assertEquals("1.3", string)
assertEquals(JsonPrimitive(1.3), default.decodeFromString(JsonElement.serializer(), string, jsonTestingMode))
}
@Test
fun testJsonLiteralStringToString() {
val literal = JsonPrimitive("some string literal")
val string = default.encodeToString(JsonPrimitive.serializer(), literal)
assertEquals(string, literal.toString())
}
@Test
fun testJsonLiteralIntToString() {
val literal = JsonPrimitive(0)
val string = default.encodeToString(JsonPrimitive.serializer(), literal)
assertEquals(string, literal.toString())
}
@Test
fun testJsonLiterals() {
testLiteral(0L, "0")
testLiteral(0, "0")
testLiteral(0.0, "0.0")
testLiteral(0.0f, "0.0")
testLiteral(Long.MAX_VALUE, "9223372036854775807")
testLiteral(Long.MIN_VALUE, "-9223372036854775808")
testLiteral(Float.MAX_VALUE, "3.4028235E38")
testLiteral(Float.MIN_VALUE, "1.4E-45")
testLiteral(Double.MAX_VALUE, "1.7976931348623157E308")
testLiteral(Double.MIN_VALUE, "4.9E-324")
testLiteral(Int.MAX_VALUE, "2147483647")
testLiteral(Int.MIN_VALUE, "-2147483648")
}
private fun testLiteral(number: Number, jvmExpectedString: String) {
val literal = JsonPrimitive(number)
val string = default.encodeToString(JsonPrimitive.serializer(), literal)
assertEquals(string, literal.toString())
if (isJvm()) { // We can rely on stable double/float format only on JVM
assertEquals(string, jvmExpectedString)
}
}
/**
* Helper function for [testJsonPrimitiveUnsignedNumbers]
*
* Asserts that an [unsigned number][actual] can be used to create a [JsonPrimitive][actualPrimitive],
* which can be decoded correctly.
*
* @param expected the expected string value of [actual]
* @param actual the unsigned number
* @param T should be an unsigned number
*/
private inline fun <reified T> assertUnsignedNumberEncoding(
expected: String,
actual: T,
actualPrimitive: JsonPrimitive,
) {
assertEquals(
expected,
actualPrimitive.toString(),
"expect ${T::class.simpleName} $actual can be used to create a JsonPrimitive"
)
parametrizedTest { mode ->
assertEquals(
expected,
default.encodeToString(JsonElement.serializer(), actualPrimitive, mode),
"expect ${T::class.simpleName} primitive can be decoded",
)
}
}
@Test
fun testJsonPrimitiveUnsignedNumbers() {
val expectedActualUBytes: Map<String, UByte> = mapOf(
"0" to 0u,
"1" to 1u,
"255" to UByte.MAX_VALUE,
)
expectedActualUBytes.forEach { (expected, actual) ->
assertUnsignedNumberEncoding(expected, actual, JsonPrimitive(actual))
}
val expectedActualUShorts: Map<String, UShort> = mapOf(
"0" to 0u,
"1" to 1u,
"255" to UByte.MAX_VALUE.toUShort(),
"65535" to UShort.MAX_VALUE,
)
expectedActualUShorts.forEach { (expected, actual) ->
assertUnsignedNumberEncoding(expected, actual, JsonPrimitive(actual))
}
val expectedActualUInts: Map<String, UInt> = mapOf(
"0" to 0u,
"1" to 1u,
"255" to UByte.MAX_VALUE.toUInt(),
"65535" to UShort.MAX_VALUE.toUInt(),
"4294967295" to UInt.MAX_VALUE,
)
expectedActualUInts.forEach { (expected, actual) ->
assertUnsignedNumberEncoding(expected, actual, JsonPrimitive(actual))
}
val expectedActualULongs: Map<String, ULong> = mapOf(
"0" to 0u,
"1" to 1u,
"255" to UByte.MAX_VALUE.toULong(),
"65535" to UShort.MAX_VALUE.toULong(),
"4294967295" to UInt.MAX_VALUE.toULong(),
"18446744073709551615" to ULong.MAX_VALUE,
)
expectedActualULongs.forEach { (expected, actual) ->
assertUnsignedNumberEncoding(expected, actual, JsonPrimitive(actual))
}
}
}
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