| /* |
| * Copyright (c) 2015, 2016, 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.io.Serializable; |
| import java.lang.invoke.*; |
| import java.util.concurrent.Callable; |
| |
| /** |
| * @test |
| * @summary Test input invariants for StringConcatFactory |
| * |
| * @compile StringConcatFactoryInvariants.java |
| * |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT StringConcatFactoryInvariants |
| * |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true StringConcatFactoryInvariants |
| * |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true StringConcatFactoryInvariants |
| * |
| */ |
| public class StringConcatFactoryInvariants { |
| |
| private static final char TAG_ARG = '\u0001'; |
| private static final char TAG_CONST = '\u0002'; |
| |
| public static void main(String[] args) throws Throwable { |
| MethodHandles.Lookup lookup = MethodHandles.lookup(); |
| String methodName = "foo"; |
| MethodType mt = MethodType.methodType(String.class, String.class, int.class); |
| String recipe = "" + TAG_ARG + TAG_ARG + TAG_CONST; |
| Object[][] constants = new Object[][] { |
| new String[] { "bar" }, |
| new Integer[] { 1 }, |
| new Short[] { 2 }, |
| new Long[] { 3L }, |
| new Boolean[] { true }, |
| new Character[] { 'a' }, |
| new Byte[] { -128 }, |
| new Class[] { String.class }, |
| new MethodHandle[] { MethodHandles.constant(String.class, "constant") }, |
| new MethodType[] { MethodType.methodType(String.class) } |
| }; |
| // The string representation that should end up if the corresponding |
| // Object[] in constants is used as an argument to makeConcatWithConstants |
| String[] constantString = new String[] { |
| "bar", |
| "1", |
| "2", |
| "3", |
| "true", |
| "a", |
| "-128", |
| "class java.lang.String", |
| "MethodHandle()String", |
| "()String" |
| }; |
| |
| |
| final int LIMIT = 200; |
| |
| // Simple factory: check for dynamic arguments overflow |
| Class<?>[] underThreshold = new Class<?>[LIMIT - 1]; |
| Class<?>[] threshold = new Class<?>[LIMIT]; |
| Class<?>[] overThreshold = new Class<?>[LIMIT + 1]; |
| |
| StringBuilder sbUnderThreshold = new StringBuilder(); |
| sbUnderThreshold.append(TAG_CONST); |
| for (int c = 0; c < LIMIT - 1; c++) { |
| underThreshold[c] = int.class; |
| threshold[c] = int.class; |
| overThreshold[c] = int.class; |
| sbUnderThreshold.append(TAG_ARG); |
| } |
| threshold[LIMIT - 1] = int.class; |
| overThreshold[LIMIT - 1] = int.class; |
| overThreshold[LIMIT] = int.class; |
| |
| String recipeEmpty = ""; |
| String recipeUnderThreshold = sbUnderThreshold.toString(); |
| String recipeThreshold = sbUnderThreshold.append(TAG_ARG).toString(); |
| String recipeOverThreshold = sbUnderThreshold.append(TAG_ARG).toString(); |
| |
| MethodType mtEmpty = MethodType.methodType(String.class); |
| MethodType mtUnderThreshold = MethodType.methodType(String.class, underThreshold); |
| MethodType mtThreshold = MethodType.methodType(String.class, threshold); |
| MethodType mtOverThreshold = MethodType.methodType(String.class, overThreshold); |
| |
| |
| // Check the basic functionality is working |
| { |
| CallSite cs = StringConcatFactory.makeConcat(lookup, methodName, mt); |
| test("foo42", (String) cs.getTarget().invokeExact("foo", 42)); |
| } |
| |
| { |
| for (int i = 0; i < constants.length; i++) { |
| CallSite cs = StringConcatFactory.makeConcatWithConstants(lookup, methodName, mt, recipe, constants[i]); |
| test("foo42".concat(constantString[i]), (String) cs.getTarget().invokeExact("foo", 42)); |
| } |
| } |
| |
| // Simple factory, check for nulls: |
| failNPE("Lookup is null", |
| () -> StringConcatFactory.makeConcat(null, methodName, mt)); |
| |
| failNPE("Method name is null", |
| () -> StringConcatFactory.makeConcat(lookup, null, mt)); |
| |
| failNPE("MethodType is null", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, null)); |
| |
| // Advanced factory, check for nulls: |
| for (int i = 0; i < constants.length; i++) { |
| final Object[] consts = constants[i]; |
| |
| failNPE("Lookup is null", |
| () -> StringConcatFactory.makeConcatWithConstants(null, methodName, mt, recipe, consts)); |
| |
| failNPE("Method name is null", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, null, mt, recipe, consts)); |
| |
| failNPE("MethodType is null", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, null, recipe, consts)); |
| |
| failNPE("Recipe is null", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mt, null, consts)); |
| } |
| |
| failNPE("Constants vararg is null", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mt, recipe, (Object[]) null)); |
| |
| failNPE("Constant argument is null", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mt, recipe, new Object[] { null })); |
| |
| // Simple factory, check for return type |
| fail("Return type: void", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, MethodType.methodType(void.class, String.class, int.class))); |
| |
| fail("Return type: int", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, MethodType.methodType(int.class, String.class, int.class))); |
| |
| fail("Return type: StringBuilder", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, MethodType.methodType(StringBuilder.class, String.class, int.class))); |
| |
| ok("Return type: Object", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, MethodType.methodType(Object.class, String.class, int.class))); |
| |
| ok("Return type: CharSequence", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, MethodType.methodType(CharSequence.class, String.class, int.class))); |
| |
| ok("Return type: Serializable", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, MethodType.methodType(Serializable.class, String.class, int.class))); |
| |
| // Advanced factory, check for return types |
| for (int i = 0; i < constants.length; i++) { |
| final Object[] consts = constants[i]; |
| fail("Return type: void", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(void.class, String.class, int.class), recipe, consts)); |
| |
| fail("Return type: int", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(int.class, String.class, int.class), recipe, consts)); |
| |
| fail("Return type: StringBuilder", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(StringBuilder.class, String.class, int.class), recipe, consts)); |
| |
| ok("Return type: Object", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(Object.class, String.class, int.class), recipe, consts)); |
| |
| ok("Return type: CharSequence", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(CharSequence.class, String.class, int.class), recipe, consts)); |
| |
| ok("Return type: Serializable", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(Serializable.class, String.class, int.class), recipe, consts)); |
| } |
| |
| // Simple factory: check for dynamic arguments overflow |
| ok("Dynamic arguments is under limit", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, mtUnderThreshold)); |
| |
| ok("Dynamic arguments is at the limit", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, mtThreshold)); |
| |
| fail("Dynamic arguments is over the limit", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, mtOverThreshold)); |
| |
| // Advanced factory: check for dynamic arguments overflow |
| ok("Dynamic arguments is under limit", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtUnderThreshold, recipeUnderThreshold, constants[0])); |
| |
| ok("Dynamic arguments is at the limit", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtThreshold, recipeThreshold, constants[0])); |
| |
| fail("Dynamic arguments is over the limit", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtOverThreshold, recipeOverThreshold, constants[0])); |
| |
| // Advanced factory: check for mismatched recipe and Constants |
| ok("Static arguments and recipe match", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtThreshold, recipeThreshold, "bar")); |
| |
| fail("Static arguments and recipe mismatch", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtThreshold, recipeThreshold, "bar", "baz")); |
| |
| // Advanced factory: check for mismatched recipe and dynamic arguments |
| fail("Dynamic arguments and recipe mismatch", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtThreshold, recipeUnderThreshold, constants[0])); |
| |
| ok("Dynamic arguments and recipe match", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtThreshold, recipeThreshold, constants[0])); |
| |
| fail("Dynamic arguments and recipe mismatch", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtThreshold, recipeOverThreshold, constants[0])); |
| |
| // Test passing array as constant |
| { |
| Object[] arg = {"boo", "bar"}; |
| |
| CallSite cs1 = StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(String.class, int.class), "" + TAG_ARG + TAG_CONST + TAG_CONST, arg); |
| test("42boobar", (String) cs1.getTarget().invokeExact(42)); |
| } |
| |
| // Test passing null constant |
| ok("Can pass regular constants", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(String.class, int.class), "" + TAG_ARG + TAG_CONST, "foo")); |
| |
| failNPE("Cannot pass null constants", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, MethodType.methodType(String.class, int.class), "" + TAG_ARG + TAG_CONST, new Object[]{null})); |
| |
| // Simple factory: test empty arguments |
| ok("Ok to pass empty arguments", |
| () -> StringConcatFactory.makeConcat(lookup, methodName, mtEmpty)); |
| |
| // Advanced factory: test empty arguments |
| ok("Ok to pass empty arguments", |
| () -> StringConcatFactory.makeConcatWithConstants(lookup, methodName, mtEmpty, recipeEmpty)); |
| |
| // Simple factory: public Lookup is rejected |
| fail("Passing public Lookup", |
| () -> StringConcatFactory.makeConcat(MethodHandles.publicLookup(), methodName, mtEmpty)); |
| |
| // Advanced factory: public Lookup is rejected |
| fail("Passing public Lookup", |
| () -> StringConcatFactory.makeConcatWithConstants(MethodHandles.publicLookup(), methodName, mtEmpty, recipeEmpty)); |
| |
| // Zero inputs |
| { |
| MethodType zero = MethodType.methodType(String.class); |
| CallSite cs = StringConcatFactory.makeConcat(lookup, methodName, zero); |
| test("", (String) cs.getTarget().invokeExact()); |
| |
| cs = StringConcatFactory.makeConcatWithConstants(lookup, methodName, zero, ""); |
| test("", (String) cs.getTarget().invokeExact()); |
| } |
| |
| // One input |
| { |
| MethodType zero = MethodType.methodType(String.class); |
| MethodType one = MethodType.methodType(String.class, String.class); |
| CallSite cs = StringConcatFactory.makeConcat(lookup, methodName, one); |
| test("A", (String) cs.getTarget().invokeExact("A")); |
| |
| cs = StringConcatFactory.makeConcatWithConstants(lookup, methodName, one, "\1"); |
| test("A", (String) cs.getTarget().invokeExact("A")); |
| |
| cs = StringConcatFactory.makeConcatWithConstants(lookup, methodName, zero, "\2", "A"); |
| test("A", (String) cs.getTarget().invokeExact()); |
| } |
| } |
| |
| public static void ok(String msg, Callable runnable) { |
| try { |
| runnable.call(); |
| } catch (Throwable e) { |
| e.printStackTrace(); |
| throw new IllegalStateException(msg + ", should have passed", e); |
| } |
| } |
| |
| public static void fail(String msg, Callable runnable) { |
| boolean expected = false; |
| try { |
| runnable.call(); |
| } catch (StringConcatException e) { |
| expected = true; |
| } catch (Throwable e) { |
| e.printStackTrace(); |
| } |
| |
| if (!expected) { |
| throw new IllegalStateException(msg + ", should have failed with StringConcatException"); |
| } |
| } |
| |
| |
| public static void failNPE(String msg, Callable runnable) { |
| boolean expected = false; |
| try { |
| runnable.call(); |
| } catch (NullPointerException e) { |
| expected = true; |
| } catch (Throwable e) { |
| e.printStackTrace(); |
| } |
| |
| if (!expected) { |
| throw new IllegalStateException(msg + ", should have failed with NullPointerException"); |
| } |
| } |
| |
| public static void test(String expected, String actual) { |
| // Fingers crossed: String concat should work. |
| if (!expected.equals(actual)) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("Expected = "); |
| sb.append(expected); |
| sb.append(", actual = "); |
| sb.append(actual); |
| throw new IllegalStateException(sb.toString()); |
| } |
| } |
| |
| } |
