jdk-24/test/jdk/java/lang/String/concat/ImplicitStringConcatShapes-head.template
Claes Redestad 34c79640e7 8247681: Improve bootstrapping of unary concatenations
Reviewed-by: jlaskey, psandoz
2020-06-17 19:36:26 +02:00

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/*
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* 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
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
/**
* @test
* @summary Test implicit String concatenations, multiple shapes.
* @bug 8148483 8245959 8247681
*
* @compile ImplicitStringConcatShapes.java
* @run main/othervm -Xverify:all ImplicitStringConcatShapes
*
* @compile -XDstringConcat=inline ImplicitStringConcatShapes.java
* @run main/othervm -Xverify:all ImplicitStringConcatShapes
*
* @compile -XDstringConcat=indy ImplicitStringConcatShapes.java
* @run main/othervm -Xverify:all ImplicitStringConcatShapes
*
* @compile -XDstringConcat=indyWithConstants ImplicitStringConcatShapes.java
* @run main/othervm -Xverify:all ImplicitStringConcatShapes
*/
public class ImplicitStringConcatShapes {
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());
}
}
static class MyClass {
private final int i;
public MyClass(int i) {
this.i = i;
}
public String toString() {
return new StringBuilder("C(").append(i).append(")").toString();
}
}
static class MyClassNullToString {
public String toString() {
return null;
}
}
public static void main(String[] args) throws Exception {
new ImplicitStringConcatShapes().run();
}