ThrowTest.java

//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2025 Apple Inc. and the Swift.org project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of Swift.org project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//

package com.example.swift;

import com.example.swift.MySwiftLibrary;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

public class ThrowTest {
    @Test
    void throwString() throws Exception {
        String result = MySwiftLibrary.throwString("hey");
        assertEquals("hey", result);
    }

    @Test
    void throwStringActuallyThrows() {
        Exception exception = assertThrows(Exception.class, () -> {
            MySwiftLibrary.throwString("");
        });
        assertNotNull(exception.getMessage());
        assertTrue(exception.getMessage().contains("swiftError"));
    }
}