1 files changed, 98 insertions, 0 deletions
diff --git a/formats/json-tests/jsTest/src/kotlinx/serialization/json/JsonCoerceInputValuesDynamicTest.kt b/formats/json-tests/jsTest/src/kotlinx/serialization/json/JsonCoerceInputValuesDynamicTest.kt
new file mode 100644
index 00000000..00053297
--- /dev/null
+++ b/formats/json-tests/jsTest/src/kotlinx/serialization/json/JsonCoerceInputValuesDynamicTest.kt
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2017-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.serialization.json
+
+import kotlinx.serialization.*
+import kotlin.test.*
+
+class JsonCoerceInputValuesDynamicTest {
+    val json = Json {
+        coerceInputValues = true
+        isLenient = true
+    }
+
+    private fun <T> doTest(inputs: List<dynamic>, expected: T, serializer: KSerializer<T>) {
+        for (input in inputs) {
+            assertEquals(expected, json.decodeFromDynamic(serializer, input), "Failed on input: $input")
+        }
+    }
+
+    @Test
+    fun testUseDefaultOnNonNullableBooleanDynamic() = doTest(
+        listOf(
+            js("""{"b":false}"""),
+            js("""{"b":null}"""),
+            js("""{}"""),
+        ),
+        JsonCoerceInputValuesTest.WithBoolean(),
+        JsonCoerceInputValuesTest.WithBoolean.serializer()
+    )
+
+    @Test
+    fun testUseDefaultOnUnknownEnum() {
+        doTest(
+            listOf(
+                js("""{"e":"unknown_value"}"""),
+                js("""{"e":null}"""),
+                js("""{}"""),
+            ),
+            JsonCoerceInputValuesTest.WithEnum(),
+            JsonCoerceInputValuesTest.WithEnum.serializer()
+        )
+        assertFailsWith<SerializationException> {
+            json.decodeFromDynamic(
+                JsonCoerceInputValuesTest.WithEnum.serializer(),
+                js("""{"e":{"x":"definitely not a valid enum value"}}""")
+            )
+        }
+    }
+
+    @Test
+    fun testUseDefaultInMultipleCases() {
+        val testData = mapOf<dynamic, JsonCoerceInputValuesTest.MultipleValues>(
+            Pair(
+                js("""{"data":{"data":"foo"},"data2":null,"i":null,"e":null,"foo":"bar"}"""),
+                JsonCoerceInputValuesTest.MultipleValues(
+                    StringData("foo"),
+                    foo = "bar"
+                )
+            ),
+            Pair(
+                js("""{"data":{"data":"foo"},"data2":{"intV":42},"i":null,"e":null,"foo":"bar"}"""),
+                JsonCoerceInputValuesTest.MultipleValues(
+                    StringData(
+                        "foo"
+                    ), IntData(42), foo = "bar"
+                )
+            ),
+            Pair(
+                js("""{"data":{"data":"foo"},"data2":{"intV":42},"i":0,"e":"NoOption","foo":"bar"}"""),
+                JsonCoerceInputValuesTest.MultipleValues(
+                    StringData("foo"),
+                    IntData(42),
+                    i = 0,
+                    foo = "bar"
+                )
+            ),
+            Pair(
+                js("""{"data":{"data":"foo"},"data2":{"intV":42},"i":0,"e":"OptionC","foo":"bar"}"""),
+                JsonCoerceInputValuesTest.MultipleValues(
+                    StringData("foo"),
+                    IntData(42),
+                    i = 0,
+                    e = SampleEnum.OptionC,
+                    foo = "bar"
+                )
+            ),
+        )
+        for ((input, expected) in testData) {
+            assertEquals(
+                expected,
+                json.decodeFromDynamic(JsonCoerceInputValuesTest.MultipleValues.serializer(), input),
+                "Failed on input: $input"
+            )
+        }
+    }
+}