A math

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/predicate/operator/arithmetic/NegErrorTests.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+package org.elasticsearch.xpack.esql.expression.predicate.operator.arithmetic;
+
+import org.elasticsearch.xpack.esql.core.expression.Expression;
+import org.elasticsearch.xpack.esql.core.tree.Source;
+import org.elasticsearch.xpack.esql.core.type.DataType;
+import org.elasticsearch.xpack.esql.expression.function.ErrorsForCasesWithoutExamplesTestCase;
+import org.elasticsearch.xpack.esql.expression.function.TestCaseSupplier;
+import org.elasticsearch.xpack.esql.expression.function.scalar.string.StartsWith;
+import org.elasticsearch.xpack.esql.expression.function.scalar.string.StartsWithTests;
+import org.hamcrest.Matcher;
+
+import java.util.List;
+import java.util.Set;
+
+import static org.hamcrest.Matchers.equalTo;
+
+public class NegErrorTests extends ErrorsForCasesWithoutExamplesTestCase {
+    @Override
+    protected List<TestCaseSupplier> cases() {
+        return paramsToSuppliers(NegTests.parameters());
+    }
+
+    @Override
+    protected Expression build(Source source, List<Expression> args) {
+        return new Neg(source, args.get(0));
+    }
+
+    @Override
+    protected Matcher<String> expectedTypeErrorMatcher(List<Set<DataType>> validPerPosition, List<DataType> signature) {
+        return equalTo(typeErrorMessage(false, validPerPosition, signature, (v, p) -> "numeric, date_period or time_duration"));
+    }
+}

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/expression/predicate/operator/arithmetic/NegTests.java

@@ -110,7 +110,7 @@ public static Iterable<Object[]> parameters() {
                 equalTo(arg.negated())
             ).withoutEvaluator();
         })));
-        return parameterSuppliersFromTypedDataWithDefaultChecks(false, suppliers, (v, p) -> "numeric, date_period or time_duration");
+        return parameterSuppliersFromTypedDataWithDefaultChecksNoErrors(false, suppliers);
     }
 
     @Override