1 /* 2 * Copyright 2017-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. 3 */ 4 5 package kotlinx.serialization.json 6 7 import kotlinx.serialization.* 8 import kotlinx.serialization.builtins.* 9 import kotlinx.serialization.json.internal.* 10 import kotlinx.serialization.test.* 11 import kotlin.test.* 12 13 class JsonParserTest : JsonTestBase() { 14 15 @Test testQuotedBracenull16 fun testQuotedBrace() { 17 val tree = parse("""{"x": "{"}""") 18 assertTrue("x" in tree) 19 assertEquals("{", (tree.getValue("x") as JsonPrimitive).content) 20 } 21 parsenull22 private fun parse(input: String) = default.parseToJsonElement(input).jsonObject 23 24 @Test 25 fun testEmptyKey() { 26 val tree = parse("""{"":"","":""}""") 27 assertTrue("" in tree) 28 assertEquals("", (tree.getValue("") as JsonPrimitive).content) 29 } 30 31 @Test testEmptyValuenull32 fun testEmptyValue() { 33 assertFailsWithSerial("JsonDecodingException") { 34 parse("""{"X": "foo", "Y"}""") 35 } 36 } 37 38 @Test testIncorrectUnicodeEscapenull39 fun testIncorrectUnicodeEscape() { 40 assertFailsWithSerial("JsonDecodingException") { 41 parse("""{"X": "\uDD1H"}""") 42 } 43 } 44 45 @Test testParseEscapedSymbolsnull46 fun testParseEscapedSymbols() { 47 assertEquals( 48 StringData("https://t.co/M1uhwigsMT"), 49 default.decodeFromString(StringData.serializer(), """{"data":"https:\/\/t.co\/M1uhwigsMT"}""") 50 ) 51 assertEquals(StringData("\"test\""), default.decodeFromString(StringData.serializer(), """{"data": "\"test\""}""")) 52 assertEquals(StringData("\u00c9"), default.decodeFromString(StringData.serializer(), """{"data": "\u00c9"}""")) 53 assertEquals(StringData("""\\"""), default.decodeFromString(StringData.serializer(), """{"data": "\\\\"}""")) 54 } 55 56 @Test testWorkWithNonAsciiSymbolsnull57 fun testWorkWithNonAsciiSymbols() { 58 assertStringFormAndRestored( 59 """{"data":"Русские Буквы ��"}""", 60 StringData("Русские Буквы \uD83E\uDD14"), 61 StringData.serializer() 62 ) 63 } 64 65 @Test testUnicodeEscapesnull66 fun testUnicodeEscapes() { 67 val data = buildString { 68 append(1.toChar()) 69 append(".") 70 append(0x20.toChar()) 71 append(".") 72 append("\n") 73 } 74 75 assertJsonFormAndRestored(String.serializer(), data, "\"\\u0001. .\\n\"") 76 } 77 78 @Test testTrailingCommanull79 fun testTrailingComma() { 80 testTrailingComma("{\"id\":0,}") 81 testTrailingComma("{\"id\":0 ,}") 82 testTrailingComma("{\"id\":0 , ,}") 83 } 84 testTrailingCommanull85 private fun testTrailingComma(content: String) { 86 assertFailsWithSerialMessage("JsonDecodingException", "Trailing comma before the end of JSON object") { Json.parseToJsonElement(content) } 87 } 88 89 @Test testUnclosedStringLiteralnull90 fun testUnclosedStringLiteral() { 91 assertFailsWithSerial("JsonDecodingException") { 92 parse("\"") 93 } 94 95 assertFailsWithSerial("JsonDecodingException") { 96 parse("""{"id":"""") 97 } 98 } 99 100 @Test 101 fun testNullValue() { 102 val obj = Json.parseToJsonElement("""{"k":null}""").jsonObject 103 val value = obj["k"]!! 104 assertTrue { value is JsonNull } 105 assertFalse { value.jsonPrimitive.isString } 106 } 107 108 @Test 109 fun testNullStringValue() { 110 val obj = Json.parseToJsonElement("""{"k":"null"}""").jsonObject 111 val value = obj["k"]!! 112 assertFalse { value is JsonNull } 113 assertTrue { value.jsonPrimitive.isString } 114 assertEquals("null", obj["k"]!!.jsonPrimitive.content) 115 } 116 } 117