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 *
 * Software distributed under the License is distributed on an "AS
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 * Copyright (C) 2007 Nick Sieger
 *
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package org.jruby.test;

import org.jruby.exceptions.RaiseException;
import org.jruby.Ruby;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import org.jruby.RubyRuntimeAdapter;
import org.jruby.javasupport.JavaEmbedUtils;

public class TestRaiseException extends TestRubyBase {
    public static class ThrowFromJava {
        public void throwIt() {
            throw new RuntimeException("here");
        }
    }

    protected void setUp() throws Exception {
        super.setUp();
        runtime = Ruby.newInstance();
    }

    public void testJavaExceptionTraceIncludesRubys() throws Exception {
        String script = 
        "def one\n" +
        "  two\n" + 
        "end\n" +
        "def two\n" +
        "  raise 'here'\n" +
        "end\n" +
        "one\n";
        try {
            eval(script);
            fail("should have raised an exception");
        } catch (RaiseException re) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            re.printStackTrace(new PrintStream(baos));
            String trace = baos.toString();
            // System.out.println(trace);
            assertTrue(trace.indexOf("here") >= 0);
            assertTrue(trace.indexOf("one") >= 0);
            assertTrue(trace.indexOf("two") >= 0);
            assertTrue(trace.indexOf("evaluator") == -1);
        }
    }
    
    public void testRubyExceptionTraceIncludesJavas() throws Exception {
        String script =
        "require 'java'\n" +
        "include_class('org.jruby.test.TestRaiseException$ThrowFromJava') {|p,c| 'ThrowFromJava' }\n" +
        "def throw_it\n" +
        "tfj = ThrowFromJava.new\n" +
        "tfj.throwIt\n" +
        "end\n" +
        "throw_it\n";
        try {
            eval(script);
            fail("should have raised an exception");
        } catch (RaiseException re) {
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
             re.printStackTrace(new PrintStream(baos));
             //String trace = baos.toString();
             // System.out.println(trace);
        }
    }

    public void testRubyExceptionWithoutCause() throws Exception {
        try {
            RubyRuntimeAdapter evaler = JavaEmbedUtils.newRuntimeAdapter();

            evaler.eval(runtime, "no_method_with_this_name");
            fail("Expected ScriptException");
        } catch (RaiseException re) {
            assertEquals("undefined local variable or method `no_method_with_this_name' for main:Object", re.getMessage());
        }
    }
}