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* version 2 for more details ( a copy is included in the LICENSE file that
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*
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/*
* @ test
* @ bug 8199193
* @ summary Tests for the - - enable - preview option
* @ requires vm . continuations
* @ run testng ToolEnablePreviewTest
*/
import org.testng.annotations.Test;
import static org.testng.Assert .assertTrue;
public class ToolEnablePreviewTest extends ReplToolTesting {
@Test
public void testOptionDebug() {
String release = System.getProperty("java.specification.version" );
test(
(a) -> assertCommand(a, "/debug b" ,
"RemoteVM Options: []\n"
+ "Compiler options: []" ),
(a) -> assertCommand(a, "/env --enable-preview" ,
"| Setting new options and restoring state." ),
(a) -> assertCommandCheckOutput(a, "/debug b" , s -> {
assertTrue(s.contains("RemoteVM Options: [--enable-preview]" ));
assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]" )
|| s.contains("Compiler options: [--enable-preview, -source, " + release + "]" ),
"\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
+ "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
+ "\nBut got -- " + s);
})
);
}
@Test
public void testCommandLineFlag() {
String release = System.getProperty("java.specification.version" );
test(new String[] {"--enable-preview" },
(a) -> assertCommandCheckOutput(a, "/debug b" , s -> {
assertTrue(s.contains("RemoteVM Options: [--enable-preview]" ));
assertTrue(s.contains("Compiler options: [-source, " + release + ", --enable-preview]" )
|| s.contains("Compiler options: [--enable-preview, -source, " + release + "]" ),
"\nExpected -- " + "Compiler options: [-source, " + release + ", --enable-preview]"
+ "\nOr -- " + "Compiler options: [--enable-preview, -source, " + release + "]"
+ "\nBut got -- " + s);
})
);
}
@Test
public void testCompilerTestFlagEnv() {
test(new String[] {"-C" , "-XDforcePreview" },
(a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i" ,
"Error" , "preview feature" ),
(a) -> assertCommand(a, "/env --enable-preview" ,
"| Setting new options and restoring state." ),
(a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i" ,
"f ==> " )
);
}
@Test
public void testCompilerTestFlag() {
test(new String[] {"-C" , "-XDforcePreview" , "--enable-preview" },
(a) -> assertCommandOutputContains(a, "Function<Integer,Integer> f = (var i) -> i + i" ,
"f ==> " ),
(a) -> assertCommandOutputContains(a, "f.apply(2)" , "==> 4" )
);
}
}
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