test/jdk/java/net/httpclient/HttpRequestBuilderTest.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 import java.net.URI;
 import java.net.http.HttpClient;
 import java.time.Duration;
 import java.util.Arrays;
 import java.util.function.BiFunction;
 import java.util.function.Function;
 import java.util.function.Supplier;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import java.net.http.HttpRequest;
 import static java.net.http.HttpRequest.BodyPublishers.ofString;
 import static java.net.http.HttpRequest.BodyPublishers.noBody;

 /**
  * @test
  * @bug 8170064
  * @summary  HttpRequest[.Builder] API and behaviour checks
  */
 public class HttpRequestBuilderTest {

     static final URI TEST_URI = URI.create("http://www.foo.com/");


     public static void main(String[] args) throws Exception {

         test0("newBuilder().build()",
               () -> HttpRequest.newBuilder().build(),
               IllegalStateException.class);

         test0("newBuilder(null)",
               () -> HttpRequest.newBuilder(null),
               NullPointerException.class);

         test0("newBuilder(URI.create(\"badScheme://www.foo.com/\")",
               () -> HttpRequest.newBuilder(URI.create("badScheme://www.foo.com/")),
               IllegalArgumentException.class);

         test0("newBuilder(URI.create(\"http://www.foo.com:-1/\")",
                 () -> HttpRequest.newBuilder(URI.create("http://www.foo.com:-1/")),
                 IllegalArgumentException.class);

         test0("newBuilder(URI.create(\"https://www.foo.com:-1/\")",
                 () -> HttpRequest.newBuilder(URI.create("https://www.foo.com:-1/")),
                 IllegalArgumentException.class);

         test0("newBuilder(" + TEST_URI + ").uri(null)",
               () -> HttpRequest.newBuilder(TEST_URI).uri(null),
               NullPointerException.class);

         test0("newBuilder(uri).build()",
               () -> HttpRequest.newBuilder(TEST_URI).build()
               /* no expected exceptions */ );

         HttpRequest.Builder builder = HttpRequest.newBuilder();

         builder = test1("uri", builder, builder::uri, (URI)null,
                         NullPointerException.class);

         builder = test1("uri", builder, builder::uri, URI.create("http://www.foo.com:-1/"),
                         IllegalArgumentException.class);

         builder = test1("uri", builder, builder::uri, URI.create("https://www.foo.com:-1/"),
                         IllegalArgumentException.class);

         builder = test2("header", builder, builder::header, (String) null, "bar",
                         NullPointerException.class);

         builder = test2("header", builder, builder::header, "foo", (String) null,
                         NullPointerException.class);

         builder = test2("header", builder, builder::header, (String)null,
                         (String) null, NullPointerException.class);

         builder = test2("header", builder, builder::header, "", "bar",
                         IllegalArgumentException.class);

         builder = test2("header", builder, builder::header, "foo", "\r",
                         IllegalArgumentException.class);

         builder = test1("headers", builder, builder::headers, (String[]) null,
                         NullPointerException.class);

         builder = test1("headers", builder, builder::headers, new String[0],
                         IllegalArgumentException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {null, "bar"},
                         NullPointerException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", null},
                         NullPointerException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {null, null},
                         NullPointerException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", "bar", null},
                         NullPointerException.class,
                         IllegalArgumentException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", "bar", null, null},
                         NullPointerException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", "bar", "baz", null},
                         NullPointerException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", "bar", "\r", "baz"},
                         IllegalArgumentException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", "bar", "baz", "\n"},
                         IllegalArgumentException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", "bar", "", "baz"},
                         IllegalArgumentException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", "bar", null, "baz"},
                         NullPointerException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo", "bar", "baz"},
                         IllegalArgumentException.class);

         builder = test1("headers", builder, builder::headers,
                         (String[]) new String[] {"foo"},
                         IllegalArgumentException.class);

         test0("DELETE", () -> HttpRequest.newBuilder(TEST_URI).DELETE().build(), null);

         builder = test1("POST", builder, builder::POST,
                         noBody(), null);

         builder = test1("PUT", builder, builder::PUT,
                         noBody(), null);

         builder = test2("method", builder, builder::method, "GET",
                         noBody(), null);

         builder = test1("POST", builder, builder::POST,
                         (HttpRequest.BodyPublisher)null,
                         NullPointerException.class);

         builder = test1("PUT", builder, builder::PUT,
                         (HttpRequest.BodyPublisher)null,
                         NullPointerException.class);

         builder = test2("method", builder, builder::method, "GET",
                         (HttpRequest.BodyPublisher) null,
                         NullPointerException.class);

         builder = test2("setHeader", builder, builder::setHeader,
                         (String) null, "bar",
                         NullPointerException.class);

         builder = test2("setHeader", builder, builder::setHeader,
                         "foo", (String) null,
                         NullPointerException.class);

         builder = test2("setHeader", builder, builder::setHeader,
                         (String)null, (String) null,
                         NullPointerException.class);

         builder = test1("timeout", builder, builder::timeout,
                         (Duration)null,
                         NullPointerException.class);

         builder = test1("version", builder, builder::version,
                         (HttpClient.Version)null,
                         NullPointerException.class);

         builder = test2("method", builder, builder::method, null,
                         ofString("foo"),
                         NullPointerException.class);
 // see JDK-8170093
 //
 //        builder = test2("method", builder, builder::method, "foo",
 //                       HttpRequest.BodyProcessor.ofString("foo"),
 //                       IllegalArgumentException.class);
 //
 //        builder.build();


         method("newBuilder(TEST_URI).build().method() == GET",
                () -> HttpRequest.newBuilder(TEST_URI),
                "GET");

         method("newBuilder(TEST_URI).GET().build().method() == GET",
                () -> HttpRequest.newBuilder(TEST_URI).GET(),
                "GET");

         method("newBuilder(TEST_URI).POST(ofString(\"\")).GET().build().method() == GET",
                () -> HttpRequest.newBuilder(TEST_URI).POST(ofString("")).GET(),
                "GET");

         method("newBuilder(TEST_URI).PUT(ofString(\"\")).GET().build().method() == GET",
                () -> HttpRequest.newBuilder(TEST_URI).PUT(ofString("")).GET(),
                "GET");

         method("newBuilder(TEST_URI).DELETE().GET().build().method() == GET",
                () -> HttpRequest.newBuilder(TEST_URI).DELETE().GET(),
                "GET");

         method("newBuilder(TEST_URI).POST(ofString(\"\")).build().method() == POST",
                () -> HttpRequest.newBuilder(TEST_URI).POST(ofString("")),
                "POST");

         method("newBuilder(TEST_URI).PUT(ofString(\"\")).build().method() == PUT",
                () -> HttpRequest.newBuilder(TEST_URI).PUT(ofString("")),
                "PUT");

         method("newBuilder(TEST_URI).DELETE().build().method() == DELETE",
                () -> HttpRequest.newBuilder(TEST_URI).DELETE(),
                "DELETE");

         method("newBuilder(TEST_URI).GET().POST(ofString(\"\")).build().method() == POST",
                () -> HttpRequest.newBuilder(TEST_URI).GET().POST(ofString("")),
                "POST");

         method("newBuilder(TEST_URI).GET().PUT(ofString(\"\")).build().method() == PUT",
                () -> HttpRequest.newBuilder(TEST_URI).GET().PUT(ofString("")),
                "PUT");

         method("newBuilder(TEST_URI).GET().DELETE().build().method() == DELETE",
                () -> HttpRequest.newBuilder(TEST_URI).GET().DELETE(),
                "DELETE");


     }

     private static boolean shouldFail(Class<? extends Exception> ...exceptions) {
         return exceptions != null && exceptions.length > 0;
     }

     private static String expectedNames(Class<? extends Exception> ...exceptions) {
         return Stream.of(exceptions).map(Class::getSimpleName)
                 .collect(Collectors.joining("|"));
     }
     private static boolean isExpected(Exception x,
                                      Class<? extends Exception> ...expected) {
         return expected != null && Stream.of(expected)
                 .filter(c -> c.isInstance(x))
                 .findAny().isPresent();
     }

     static void method(String name,
                        Supplier<HttpRequest.Builder> supplier,
                        String expectedMethod) {
         HttpRequest request = supplier.get().build();
         String method = request.method();
         if (request.method().equals("GET") && request.bodyPublisher().isPresent())
             throw new AssertionError("failed: " + name
                     + ". Unexpected body processor for GET: "
                     + request.bodyPublisher().get());

         if (expectedMethod.equals(method)) {
             System.out.println("success: " + name);
         } else {
             throw new AssertionError("failed: " + name
                     + ". Expected " + expectedMethod + ", got " + method);
         }
     }

     static void test0(String name,
                       Runnable r,
                       Class<? extends Exception> ...ex) {
         try {
             r.run();
             if (!shouldFail(ex)) {
                 System.out.println("success: " + name);
                 return;
             } else {
                 throw new AssertionError("Expected " + expectedNames(ex)
                         + " not raised for " + name);
             }
         } catch (Exception x) {
             if (!isExpected(x, ex)) {
                 throw x;
             } else {
                 System.out.println("success: " + name +
                         " - Got expected exception: " + x);
             }
         }
     }

     public static <R,P> R test1(String name, R receiver, Function<P, R> m, P arg,
                                Class<? extends Exception> ...ex) {
         String argMessage = arg == null ? "null" : arg.toString();
         if (arg instanceof String[]) {
             argMessage = Arrays.asList((String[])arg).toString();
         }
         try {
             R result =  m.apply(arg);
             if (!shouldFail(ex)) {
                 System.out.println("success: " + name + "(" + argMessage + ")");
                 return result;
             } else {
                 throw new AssertionError("Expected " + expectedNames(ex)
                     + " not raised for " + name + "(" + argMessage + ")");
             }
         } catch (Exception x) {
             if (!isExpected(x, ex)) {
                 throw x;
             } else {
                 System.out.println("success: " + name + "(" + argMessage + ")" +
                         " - Got expected exception: " + x);
                 return receiver;
             }
         }
     }


     public static <R,P1, P2> R test2(String name, R receiver, BiFunction<P1, P2, R> m,
                                P1 arg1, P2 arg2,
                                Class<? extends Exception> ...ex) {
         try {
             R result =  m.apply(arg1, arg2);
             if (!shouldFail(ex)) {
                 System.out.println("success: " + name + "(" + arg1 + ", "
                                    + arg2 + ")");
                 return result;
             } else {
                 throw new AssertionError("Expected " + expectedNames(ex)
                     + " not raised for "
                     + name + "(" + arg1 +", " + arg2 + ")");
             }
         } catch (Exception x) {
             if (!isExpected(x, ex)) {
                 throw x;
             } else {
                 System.out.println("success: " + name + "(" + arg1 + ", "
                         + arg2 + ") - Got expected exception: " + x);
                 return receiver;
             }
         }
     }
 }
	/*
	* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	import java.net.URI;
	import java.net.http.HttpClient;
	import java.time.Duration;
	import java.util.Arrays;
	import java.util.function.BiFunction;
	import java.util.function.Function;
	import java.util.function.Supplier;
	import java.util.stream.Collectors;
	import java.util.stream.Stream;
	import java.net.http.HttpRequest;
	import static java.net.http.HttpRequest.BodyPublishers.ofString;
	import static java.net.http.HttpRequest.BodyPublishers.noBody;

	/**
	* @test
	* @bug 8170064
	* @summary HttpRequest[.Builder] API and behaviour checks
	*/
	public class HttpRequestBuilderTest {

	static final URI TEST_URI = URI.create("http://www.foo.com/");


	public static void main(String[] args) throws Exception {

	test0("newBuilder().build()",
	() -> HttpRequest.newBuilder().build(),
	IllegalStateException.class);

	test0("newBuilder(null)",
	() -> HttpRequest.newBuilder(null),
	NullPointerException.class);

	test0("newBuilder(URI.create(\"badScheme://www.foo.com/\")",
	() -> HttpRequest.newBuilder(URI.create("badScheme://www.foo.com/")),
	IllegalArgumentException.class);

	test0("newBuilder(URI.create(\"http://www.foo.com:-1/\")",
	() -> HttpRequest.newBuilder(URI.create("http://www.foo.com:-1/")),
	IllegalArgumentException.class);

	test0("newBuilder(URI.create(\"https://www.foo.com:-1/\")",
	() -> HttpRequest.newBuilder(URI.create("https://www.foo.com:-1/")),
	IllegalArgumentException.class);

	test0("newBuilder(" + TEST_URI + ").uri(null)",
	() -> HttpRequest.newBuilder(TEST_URI).uri(null),
	NullPointerException.class);

	test0("newBuilder(uri).build()",
	() -> HttpRequest.newBuilder(TEST_URI).build()
	/* no expected exceptions */ );

	HttpRequest.Builder builder = HttpRequest.newBuilder();

	builder = test1("uri", builder, builder::uri, (URI)null,
	NullPointerException.class);

	builder = test1("uri", builder, builder::uri, URI.create("http://www.foo.com:-1/"),
	IllegalArgumentException.class);

	builder = test1("uri", builder, builder::uri, URI.create("https://www.foo.com:-1/"),
	IllegalArgumentException.class);

	builder = test2("header", builder, builder::header, (String) null, "bar",
	NullPointerException.class);

	builder = test2("header", builder, builder::header, "foo", (String) null,
	NullPointerException.class);

	builder = test2("header", builder, builder::header, (String)null,
	(String) null, NullPointerException.class);

	builder = test2("header", builder, builder::header, "", "bar",
	IllegalArgumentException.class);

	builder = test2("header", builder, builder::header, "foo", "\r",
	IllegalArgumentException.class);

	builder = test1("headers", builder, builder::headers, (String[]) null,
	NullPointerException.class);

	builder = test1("headers", builder, builder::headers, new String[0],
	IllegalArgumentException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {null, "bar"},
	NullPointerException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", null},
	NullPointerException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {null, null},
	NullPointerException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", "bar", null},
	NullPointerException.class,
	IllegalArgumentException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", "bar", null, null},
	NullPointerException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", "bar", "baz", null},
	NullPointerException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", "bar", "\r", "baz"},
	IllegalArgumentException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", "bar", "baz", "\n"},
	IllegalArgumentException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", "bar", "", "baz"},
	IllegalArgumentException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", "bar", null, "baz"},
	NullPointerException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo", "bar", "baz"},
	IllegalArgumentException.class);

	builder = test1("headers", builder, builder::headers,
	(String[]) new String[] {"foo"},
	IllegalArgumentException.class);

	test0("DELETE", () -> HttpRequest.newBuilder(TEST_URI).DELETE().build(), null);

	builder = test1("POST", builder, builder::POST,
	noBody(), null);

	builder = test1("PUT", builder, builder::PUT,
	noBody(), null);

	builder = test2("method", builder, builder::method, "GET",
	noBody(), null);

	builder = test1("POST", builder, builder::POST,
	(HttpRequest.BodyPublisher)null,
	NullPointerException.class);

	builder = test1("PUT", builder, builder::PUT,
	(HttpRequest.BodyPublisher)null,
	NullPointerException.class);

	builder = test2("method", builder, builder::method, "GET",
	(HttpRequest.BodyPublisher) null,
	NullPointerException.class);

	builder = test2("setHeader", builder, builder::setHeader,
	(String) null, "bar",
	NullPointerException.class);

	builder = test2("setHeader", builder, builder::setHeader,
	"foo", (String) null,
	NullPointerException.class);

	builder = test2("setHeader", builder, builder::setHeader,
	(String)null, (String) null,
	NullPointerException.class);

	builder = test1("timeout", builder, builder::timeout,
	(Duration)null,
	NullPointerException.class);

	builder = test1("version", builder, builder::version,
	(HttpClient.Version)null,
	NullPointerException.class);

	builder = test2("method", builder, builder::method, null,
	ofString("foo"),
	NullPointerException.class);
	// see JDK-8170093
	//
	// builder = test2("method", builder, builder::method, "foo",
	// HttpRequest.BodyProcessor.ofString("foo"),
	// IllegalArgumentException.class);
	//
	// builder.build();


	method("newBuilder(TEST_URI).build().method() == GET",
	() -> HttpRequest.newBuilder(TEST_URI),
	"GET");

	method("newBuilder(TEST_URI).GET().build().method() == GET",
	() -> HttpRequest.newBuilder(TEST_URI).GET(),
	"GET");

	method("newBuilder(TEST_URI).POST(ofString(\"\")).GET().build().method() == GET",
	() -> HttpRequest.newBuilder(TEST_URI).POST(ofString("")).GET(),
	"GET");

	method("newBuilder(TEST_URI).PUT(ofString(\"\")).GET().build().method() == GET",
	() -> HttpRequest.newBuilder(TEST_URI).PUT(ofString("")).GET(),
	"GET");

	method("newBuilder(TEST_URI).DELETE().GET().build().method() == GET",
	() -> HttpRequest.newBuilder(TEST_URI).DELETE().GET(),
	"GET");

	method("newBuilder(TEST_URI).POST(ofString(\"\")).build().method() == POST",
	() -> HttpRequest.newBuilder(TEST_URI).POST(ofString("")),
	"POST");

	method("newBuilder(TEST_URI).PUT(ofString(\"\")).build().method() == PUT",
	() -> HttpRequest.newBuilder(TEST_URI).PUT(ofString("")),
	"PUT");

	method("newBuilder(TEST_URI).DELETE().build().method() == DELETE",
	() -> HttpRequest.newBuilder(TEST_URI).DELETE(),
	"DELETE");

	method("newBuilder(TEST_URI).GET().POST(ofString(\"\")).build().method() == POST",
	() -> HttpRequest.newBuilder(TEST_URI).GET().POST(ofString("")),
	"POST");

	method("newBuilder(TEST_URI).GET().PUT(ofString(\"\")).build().method() == PUT",
	() -> HttpRequest.newBuilder(TEST_URI).GET().PUT(ofString("")),
	"PUT");

	method("newBuilder(TEST_URI).GET().DELETE().build().method() == DELETE",
	() -> HttpRequest.newBuilder(TEST_URI).GET().DELETE(),
	"DELETE");



	}

	private static boolean shouldFail(Class<? extends Exception> ...exceptions) {
	return exceptions != null && exceptions.length > 0;
	}

	private static String expectedNames(Class<? extends Exception> ...exceptions) {
	return Stream.of(exceptions).map(Class::getSimpleName)
	.collect(Collectors.joining("\|"));
	}
	private static boolean isExpected(Exception x,
	Class<? extends Exception> ...expected) {
	return expected != null && Stream.of(expected)
	.filter(c -> c.isInstance(x))
	.findAny().isPresent();
	}

	static void method(String name,
	Supplier<HttpRequest.Builder> supplier,
	String expectedMethod) {
	HttpRequest request = supplier.get().build();
	String method = request.method();
	if (request.method().equals("GET") && request.bodyPublisher().isPresent())
	throw new AssertionError("failed: " + name
	+ ". Unexpected body processor for GET: "
	+ request.bodyPublisher().get());

	if (expectedMethod.equals(method)) {
	System.out.println("success: " + name);
	} else {
	throw new AssertionError("failed: " + name
	+ ". Expected " + expectedMethod + ", got " + method);
	}
	}

	static void test0(String name,
	Runnable r,
	Class<? extends Exception> ...ex) {
	try {
	r.run();
	if (!shouldFail(ex)) {
	System.out.println("success: " + name);
	return;
	} else {
	throw new AssertionError("Expected " + expectedNames(ex)
	+ " not raised for " + name);
	}
	} catch (Exception x) {
	if (!isExpected(x, ex)) {
	throw x;
	} else {
	System.out.println("success: " + name +
	" - Got expected exception: " + x);
	}
	}
	}

	public static <R,P> R test1(String name, R receiver, Function<P, R> m, P arg,
	Class<? extends Exception> ...ex) {
	String argMessage = arg == null ? "null" : arg.toString();
	if (arg instanceof String[]) {
	argMessage = Arrays.asList((String[])arg).toString();
	}
	try {
	R result = m.apply(arg);
	if (!shouldFail(ex)) {
	System.out.println("success: " + name + "(" + argMessage + ")");
	return result;
	} else {
	throw new AssertionError("Expected " + expectedNames(ex)
	+ " not raised for " + name + "(" + argMessage + ")");
	}
	} catch (Exception x) {
	if (!isExpected(x, ex)) {
	throw x;
	} else {
	System.out.println("success: " + name + "(" + argMessage + ")" +
	" - Got expected exception: " + x);
	return receiver;
	}
	}
	}


	public static <R,P1, P2> R test2(String name, R receiver, BiFunction<P1, P2, R> m,
	P1 arg1, P2 arg2,
	Class<? extends Exception> ...ex) {
	try {
	R result = m.apply(arg1, arg2);
	if (!shouldFail(ex)) {
	System.out.println("success: " + name + "(" + arg1 + ", "
	+ arg2 + ")");
	return result;
	} else {
	throw new AssertionError("Expected " + expectedNames(ex)
	+ " not raised for "
	+ name + "(" + arg1 +", " + arg2 + ")");
	}
	} catch (Exception x) {
	if (!isExpected(x, ex)) {
	throw x;
	} else {
	System.out.println("success: " + name + "(" + arg1 + ", "
	+ arg2 + ") - Got expected exception: " + x);
	return receiver;
	}
	}
	}
	}