1 files changed, 52 insertions, 0 deletions
diff --git a/runtime/commonTest/src/kotlinx/serialization/json/JsonParserFuzzerTest.kt b/runtime/commonTest/src/kotlinx/serialization/json/JsonParserFuzzerTest.kt
new file mode 100644
index 00000000..d360f647
--- /dev/null
+++ b/runtime/commonTest/src/kotlinx/serialization/json/JsonParserFuzzerTest.kt
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2018 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package kotlinx.serialization.json
+
+import kotlin.test.*
+
+class JsonParserFuzzerTest {
+
+    @Test
+    fun testQuotedBrace() {
+        val tree = parse("""{x: "{"}""")
+        assertTrue("x" in tree)
+        assertEquals("{", tree.getAs<JsonLiteral>("x").content)
+    }
+
+    private fun parse(input: String) = Json.plain.parseJson(input).jsonObject
+
+    @Test
+    fun testEmptyKey() {
+        val tree = parse("""{"":"","":""}""")
+        assertTrue("" in tree)
+        assertEquals("", tree.getAs<JsonLiteral>("").content)
+    }
+
+    @Test
+    fun testEmptyValue() {
+        assertFailsWith<JsonParsingException> {
+            parse("""{"X": "foo", "Y"}""")
+        }
+    }
+
+    @Test
+    fun testIncorrectUnicodeEscape() {
+        assertFailsWith<JsonParsingException> {
+            parse("""{"X": "\uDD1H"}""")
+        }
+    }
+}