1 files changed, 52 insertions, 0 deletions

diff --git a/src/test/java/org/yaml/snakeyaml/issues/issue529/Fuzzy47028Test.java b/src/test/java/org/yaml/snakeyaml/issues/issue529/Fuzzy47028Test.java
new file mode 100644
index 00000000..02c46878
--- /dev/null
+++ b/src/test/java/org/yaml/snakeyaml/issues/issue529/Fuzzy47028Test.java
@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) 2008, SnakeYAML
+ *
+ * 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 org.yaml.snakeyaml.issues.issue529;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import org.junit.Test;
+import org.yaml.snakeyaml.LoaderOptions;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.error.YAMLException;
+
+// StringIndexOutOfBoundsException [OSS-Fuzz 47028]
+public class Fuzzy47028Test {
+
+  @Test
+  public void parseEmptyFloat_47028() {
+    try {
+      LoaderOptions options = new LoaderOptions();
+      Yaml yaml = new Yaml(options);
+      yaml.load("- !!float");
+      fail("Should report invalid YAML");
+    } catch (YAMLException e) {
+      assertTrue(e.getMessage().contains("while constructing a float"));
+      assertTrue(e.getMessage().contains("found empty value"));
+    }
+  }
+
+  @Test
+  public void parseEmptyInt_47028() {
+    try {
+      LoaderOptions options = new LoaderOptions();
+      Yaml yaml = new Yaml(options);
+      yaml.load("- !!int");
+      fail("Should report invalid YAML");
+    } catch (YAMLException e) {
+      assertTrue(e.getMessage().contains("while constructing an int"));
+      assertTrue(e.getMessage().contains("found empty value"));
+    }
+  }
+}