author | goetz |
Thu, 08 Feb 2018 09:23:49 +0100 | |
changeset 49368 | 2ed1c37df3a5 |
child 49399 | e0fec3292f00 |
permissions | -rw-r--r-- |
49368
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/* |
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
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* Copyright (c) 2018 SAP SE. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/** |
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* @test |
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* @summary Check that the verbose message of ICCE is printed correctly. |
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* The test forces errors in vtable stubs and interpreter. |
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* @requires !(os.arch=="arm") |
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* @library /test/lib / |
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* @build sun.hotspot.WhiteBox |
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
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* @compile IncompatibleClassChangeErrorTest.java |
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* @compile ImplementsSomeInterfaces.jasm ICC_B.jasm |
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
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* -XX:-BackgroundCompilation -XX:-Inline |
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* -XX:CompileCommand=exclude,IncompatibleClassChangeErrorTest::test_iccInt |
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* IncompatibleClassChangeErrorTest |
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*/ |
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import sun.hotspot.WhiteBox; |
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import compiler.whitebox.CompilerWhiteBoxTest; |
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import java.lang.reflect.Method; |
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|
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// This test assembles an errorneous installation of classes. |
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// First, compile the test by @compile. This results in a legal set |
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// of classes. |
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// Then, with jasm, generate incompatible classes that overwrite |
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// the class files in the build directory. |
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// Last, call the real tests throwing IncompatibleClassChangeErrors |
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// and check the messages generated. |
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public class IncompatibleClassChangeErrorTest { |
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private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); |
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|
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private static boolean enableChecks = true; |
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|
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private static String expectedErrorMessageInterpreted = |
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"Class ImplementsSomeInterfaces " + |
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"does not implement the requested interface InterfaceICCE1"; |
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private static String expectedErrorMessageCompiled = |
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"Class ICC_B does not implement the requested interface ICC_iB"; |
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// old message: "vtable stub" |
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public static void setup_test() { |
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// Assure all exceptions are loaded. |
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new AbstractMethodError(); |
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new IncompatibleClassChangeError(); |
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enableChecks = false; |
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// Warmup |
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System.out.println("warmup:"); |
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test_iccInt(); |
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test_icc_compiled_itable_stub(); |
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enableChecks = true; |
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// Compile |
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try { |
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Method method = IncompatibleClassChangeErrorTest.class.getMethod("test_icc_compiled_itable_stub"); |
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WHITE_BOX.enqueueMethodForCompilation(method, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION); |
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if (!WHITE_BOX.isMethodCompiled(method)) { |
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throw new RuntimeException(method.getName() + " is not compiled"); |
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} |
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method = ICC_C.class.getMethod("b"); |
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WHITE_BOX.enqueueMethodForCompilation(method, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION); |
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if (!WHITE_BOX.isMethodCompiled(method)) { |
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throw new RuntimeException("ICC_C." + method.getName() + " is not compiled"); |
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} |
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method = ICC_D.class.getMethod("b"); |
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WHITE_BOX.enqueueMethodForCompilation(method, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION); |
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if (!WHITE_BOX.isMethodCompiled(method)) { |
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throw new RuntimeException("ICC_D." + method.getName() + " is not compiled"); |
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} |
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method = ICC_E.class.getMethod("b"); |
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WHITE_BOX.enqueueMethodForCompilation(method, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION); |
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if (!WHITE_BOX.isMethodCompiled(method)) { |
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throw new RuntimeException("ICC_E." + method.getName() + " is not compiled"); |
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} |
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} catch (NoSuchMethodException e) { } |
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System.out.println("warmup done."); |
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} |
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// Should never be compiled. |
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public static void test_iccInt() { |
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boolean caught_icc = false; |
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try { |
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InterfaceICCE1 objectInterface = new ImplementsSomeInterfaces(); |
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// IncompatibleClassChangeError gets thrown in |
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// - TemplateTable::invokeinterface() |
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// - LinkResolver::runtime_resolve_interface_method() |
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objectInterface.aFunctionOfMyInterface(); |
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} catch (IncompatibleClassChangeError e) { |
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String errorMsg = e.getMessage(); |
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if (enableChecks && !errorMsg.equals(expectedErrorMessageInterpreted)) { |
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System.out.println("Expected: " + expectedErrorMessageInterpreted + "\n" + |
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"but got: " + errorMsg); |
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throw new RuntimeException("Wrong error message of IncompatibleClassChangeError."); |
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} |
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caught_icc = true; |
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} catch (Throwable e) { |
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throw new RuntimeException("Caught unexpected exception: " + e); |
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} |
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// Check we got the exception. |
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125 |
if (!caught_icc) { |
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126 |
throw new RuntimeException("Expected IncompatibleClassChangeError was not thrown."); |
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127 |
} |
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128 |
} |
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129 |
|
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130 |
// ------------------------------------------------------------------------- |
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131 |
// Test AbstractMethodErrors detected in itable stubs. |
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132 |
// Note: How can we verify that we really stepped through the vtable stub? |
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133 |
// - Bimorphic inlining should not happen since we have no profiling data when |
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134 |
// we compile the method |
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135 |
// - As a result, an inline cache call should be generated |
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136 |
// - This inline cache call is patched into a real vtable call at the first |
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137 |
// re-resolve, which happens constantly during the first 10 iterations of the loop. |
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138 |
// => we should be fine! :-) |
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139 |
public static void test_icc_compiled_itable_stub() { |
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140 |
// Allocated the objects we need and call a valid method. |
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141 |
boolean caught_icc = false; |
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142 |
ICC_B b = new ICC_B(); |
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143 |
ICC_C c = new ICC_C(); |
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144 |
ICC_D d = new ICC_D(); |
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145 |
ICC_E e = new ICC_E(); |
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146 |
b.a(); |
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147 |
c.a(); |
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148 |
d.a(); |
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149 |
e.a(); |
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150 |
|
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151 |
try { |
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152 |
final int iterations = 10; |
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153 |
// Test: calls b.b() in the last iteration. |
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154 |
for (int i = 0; i < iterations; i++) { |
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155 |
ICC_iB a = b; |
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156 |
if (i % 3 == 0 && i < iterations - 1) { |
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157 |
a = c; |
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158 |
} |
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159 |
if (i % 3 == 1 && i < iterations - 1) { |
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160 |
a = d; |
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161 |
} |
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162 |
if (i % 3 == 2 && i < iterations - 1) { |
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163 |
a = e; |
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164 |
} |
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165 |
a.b(); |
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166 |
} |
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167 |
} catch (AbstractMethodError exc) { |
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168 |
// It's a subclass of IncompatibleClassChangeError, so we must catch this first. |
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169 |
System.out.println(); |
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170 |
System.out.println(exc); |
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171 |
if (enableChecks) { |
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172 |
String errorMsg = exc.getMessage(); |
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173 |
if (errorMsg == null) { |
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174 |
throw new RuntimeException("Caught unexpected AbstractMethodError with empty message."); |
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175 |
} |
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176 |
throw new RuntimeException("Caught unexpected AbstractMethodError."); |
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177 |
} |
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178 |
} catch (IncompatibleClassChangeError exc) { |
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179 |
caught_icc = true; |
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180 |
System.out.println(); |
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181 |
String errorMsg = exc.getMessage(); |
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182 |
if (enableChecks && errorMsg == null) { |
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183 |
System.out.println(exc); |
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184 |
throw new RuntimeException("Empty error message of IncompatibleClassChangeError."); |
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185 |
} |
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186 |
if (enableChecks && |
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187 |
!errorMsg.equals(expectedErrorMessageCompiled)) { |
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188 |
System.out.println("Expected: " + expectedErrorMessageCompiled + "\n" + |
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189 |
"but got: " + errorMsg); |
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190 |
System.out.println(exc); |
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191 |
throw new RuntimeException("Wrong error message of IncompatibleClassChangeError."); |
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192 |
} |
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193 |
if (enableChecks) { |
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194 |
System.out.println("Passed with message: " + errorMsg); |
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195 |
} |
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196 |
} catch (Throwable exc) { |
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|
197 |
throw exc; // new RuntimeException("Caught unexpected exception: " + exc); |
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198 |
} |
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199 |
|
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200 |
// Check we got the exception at some point. |
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201 |
if (enableChecks && !caught_icc) { |
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202 |
throw new RuntimeException("Expected IncompatibleClassChangeError was not thrown."); |
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203 |
} |
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204 |
} |
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205 |
|
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206 |
public static void main(String[] args) throws Exception { |
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207 |
setup_test(); |
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208 |
test_iccInt(); |
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209 |
test_icc_compiled_itable_stub(); |
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210 |
} |
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211 |
} |
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212 |
|
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|
213 |
|
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214 |
// Helper classes to test incompatible class change in interpreter. |
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215 |
// |
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216 |
// The test also contains .jasm files with implementations |
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217 |
// of the classes that shall generate the errors. |
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218 |
|
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219 |
|
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220 |
// I0 // interface defining aFunctionOfMyInterface() |
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221 |
// | |
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222 |
// | I1 // interface |
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223 |
// | | |
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224 |
// A0 | // abstract class |
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225 |
// \ / |
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226 |
// C // class not implementing I1 and |
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227 |
// not implementing I0::aFunctionOfMyInterface() |
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228 |
// |
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229 |
// Test is expected to throw error because of missing interface and not |
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230 |
// because of missing method. |
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231 |
|
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232 |
interface InterfaceICCE0 { |
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233 |
public String firstFunctionOfMyInterface0(); |
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234 |
public String secondFunctionOfMyInterface0(); |
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235 |
} |
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236 |
|
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237 |
interface InterfaceICCE1 { |
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238 |
|
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239 |
public String firstFunctionOfMyInterface(); |
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240 |
|
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241 |
public String secondFunctionOfMyInterface(); |
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242 |
|
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243 |
public String aFunctionOfMyInterface(); |
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244 |
} |
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245 |
|
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246 |
abstract class AbstractICCE0 implements InterfaceICCE0 { |
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247 |
abstract public String firstAbstractMethod(); |
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248 |
abstract public String secondAbstractMethod(); |
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249 |
|
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250 |
abstract public String anAbstractMethod(); |
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251 |
} |
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252 |
|
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253 |
class ImplementsSomeInterfaces extends |
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254 |
AbstractICCE0 |
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255 |
// This interface is missing in the .jasm implementation. |
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implements InterfaceICCE1 |
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{ |
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public String firstAbstractMethod() { |
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return this.getClass().getName(); |
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} |
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public String secondAbstractMethod() { |
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return this.getClass().getName(); |
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} |
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// This method is missing in the .jasm implementation. |
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public String anAbstractMethod() { |
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return this.getClass().getName(); |
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} |
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|
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public String firstFunctionOfMyInterface0() { |
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return this.getClass().getName(); |
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} |
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|
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public String secondFunctionOfMyInterface0() { |
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return this.getClass().getName(); |
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} |
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|
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public String firstFunctionOfMyInterface() { |
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return this.getClass().getName(); |
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} |
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|
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public String secondFunctionOfMyInterface() { |
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return this.getClass().getName(); |
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} |
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|
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// This method is missing in the .jasm implementation. |
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public String aFunctionOfMyInterface() { |
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return this.getClass().getName(); |
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} |
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} |
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// Helper classes to test incompatible class change in itable stub. |
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// |
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// Class hierachy: |
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// |
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// iA,iB (interfaces) |
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// /|\ \ |
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// C D E \ |
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// B (bad class, missing interface implementation) |
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|
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interface ICC_iA { |
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public void a(); |
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} |
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interface ICC_iB { |
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public void b(); |
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} |
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// This is the errorneous class. A variant of it not |
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// implementing ICC_iB is copied into the test before |
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// it is run. |
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class ICC_B implements ICC_iA, |
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// This interface is missing in the .jasm implementation. |
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ICC_iB { |
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public void a() { |
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System.out.print("B.a() "); |
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} |
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public void b() { |
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System.out.print("B.b() "); |
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} |
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} |
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class ICC_C implements ICC_iA, ICC_iB { |
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public void a() { |
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System.out.print("C.a() "); |
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} |
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public void b() { |
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System.out.print("C.b() "); |
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333 |
} |
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} |
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|
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class ICC_D implements ICC_iA, ICC_iB { |
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337 |
public void a() { |
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System.out.print("D.a() "); |
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} |
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340 |
|
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341 |
public void b() { |
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342 |
System.out.print("D.b() "); |
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343 |
} |
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344 |
} |
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345 |
|
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346 |
class ICC_E implements ICC_iA, ICC_iB { |
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347 |
public void a() { |
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348 |
System.out.print("E.a() "); |
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349 |
} |
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350 |
|
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351 |
public void b() { |
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352 |
System.out.print("E.b() "); |
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353 |
} |
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354 |
} |