1 files changed, 100 insertions, 0 deletions
diff --git a/formats/json-tests/commonTest/src/kotlinx/serialization/test/TestingFramework.kt b/formats/json-tests/commonTest/src/kotlinx/serialization/test/TestingFramework.kt
new file mode 100644
index 00000000..3ec07149
--- /dev/null
+++ b/formats/json-tests/commonTest/src/kotlinx/serialization/test/TestingFramework.kt
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2017-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.serialization.test
+
+import kotlinx.serialization.*
+import kotlinx.serialization.json.*
+import kotlin.test.*
+
+
+inline fun <reified T : Any> assertStringFormAndRestored(
+    expected: String,
+    original: T,
+    serializer: KSerializer<T>,
+    format: StringFormat = Json,
+    printResult: Boolean = false
+) {
+    val string = format.encodeToString(serializer, original)
+    if (printResult) println("[Serialized form] $string")
+    assertEquals(expected, string)
+    val restored = format.decodeFromString(serializer, string)
+    if (printResult) println("[Restored form] $restored")
+    assertEquals(original, restored)
+}
+
+inline fun <reified T : Any> StringFormat.assertStringFormAndRestored(
+    expected: String,
+    original: T,
+    serializer: KSerializer<T>,
+    printResult: Boolean = false
+) {
+    val string = this.encodeToString(serializer, original)
+    if (printResult) println("[Serialized form] $string")
+    assertEquals(expected, string)
+    val restored = this.decodeFromString(serializer, string)
+    if (printResult) println("[Restored form] $restored")
+    assertEquals(original, restored)
+}
+
+fun <T : Any> assertSerializedAndRestored(
+    original: T,
+    serializer: KSerializer<T>,
+    format: StringFormat = Json,
+    printResult: Boolean = false
+) {
+    if (printResult) println("[Input] $original")
+    val string = format.encodeToString(serializer, original)
+    if (printResult) println("[Serialized form] $string")
+    val restored = format.decodeFromString(serializer, string)
+    if (printResult) println("[Restored form] $restored")
+    assertEquals(original, restored)
+}
+
+inline fun assertFailsWithSerial(
+    exceptionName: String,
+    assertionMessage: String? = null,
+    block: () -> Unit
+) {
+    val exception = assertFailsWith(SerializationException::class, assertionMessage, block)
+    assertEquals(
+        exceptionName,
+        exception::class.simpleName,
+        "Expected exception with type '${exceptionName}' but got '${exception::class.simpleName}'"
+    )
+}
+inline fun assertFailsWithSerialMessage(
+    exceptionName: String,
+    message: String,
+    assertionMessage: String? = null,
+    block: () -> Unit
+) {
+    val exception = assertFailsWith(SerializationException::class, assertionMessage, block)
+    assertEquals(
+        exceptionName,
+        exception::class.simpleName,
+        "Expected exception type '$exceptionName' but actual is '${exception::class.simpleName}'"
+    )
+    assertTrue(
+        exception.message!!.contains(message),
+        "expected:<$message> but was:<${exception.message}>"
+    )
+}
+inline fun <reified T : Throwable> assertFailsWithMessage(
+    message: String,
+    assertionMessage: String? = null,
+    block: () -> Unit
+) {
+    val exception = assertFailsWith(T::class, assertionMessage, block)
+    assertTrue(
+        exception.message!!.contains(message),
+        "expected:<$message> but was:<${exception.message}>"
+    )
+}
+
+inline fun checkSerializationException(action: () -> Unit, assertions: SerializationException.(String) -> Unit) {
+    val e = assertFailsWith(SerializationException::class, action)
+    assertNotNull(e.message)
+    e.assertions(e.message!!)
+}