10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @summary Stack trace should have module information
27 * @run testng ModuleFrames
28 */
29
30 import java.util.Arrays;
31
32 import org.testng.annotations.Test;
33 import static org.testng.Assert.*;
34
35 public class ModuleFrames {
36
37 @Test
38 public void testModuleName() {
39 try {
40 Integer.parseInt("a");
41 } catch (NumberFormatException e) {
42
43 StackTraceElement[] stack = e.getStackTrace();
44 StackTraceElement topFrame = stack[0];
45 StackTraceElement thisFrame = findFrame(this.getClass().getName(), stack);
46
47 assertEquals(topFrame.getModuleName(), "java.base",
48 "Expected top frame to be in module java.base");
49
50 assertTrue(topFrame.toString().contains("java.base"),
51 "Expected toString of top frame to include java.base");
52
53 assertNull(thisFrame.getModuleName(),
54 "Expected frame for test not to have a module name");
55 }
56 }
57
58 private static StackTraceElement findFrame(String cn, StackTraceElement[] stack) {
59 return Arrays.stream(stack)
60 .filter(s -> s.getClassName().equals(cn))
61 .findFirst()
62 .get();
63 }
64 }
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @summary Stack trace should have module information
27 * @run testng ModuleFrames
28 */
29
30 import java.nio.file.Files;
31 import java.nio.file.Path;
32 import java.nio.file.Paths;
33 import java.util.Arrays;
34
35 import org.testng.annotations.Test;
36 import static org.testng.Assert.*;
37
38 public class ModuleFrames {
39
40 @Test
41 public void testModuleName() {
42 try {
43 Integer.parseInt("a");
44 } catch (NumberFormatException e) {
45
46 StackTraceElement[] stack = e.getStackTrace();
47 StackTraceElement topFrame = stack[0];
48 StackTraceElement thisFrame = findFrame(this.getClass().getName(), stack);
49
50 assertEquals(topFrame.getModuleName(), "java.base",
51 "Expected top frame to be in module java.base");
52
53 assertTrue(topFrame.toString().startsWith("java.base"),
54 "Expected toString of top frame to omit loader name, start with module name: java.base");
55
56 assertTrue(!topFrame.toString().contains("@"),
57 "Expected toString of top frame not to include module version ('@')");
58
59 Path home = Paths.get(System.getProperty("java.home"));
60 boolean isImage = Files.exists(home.resolve("lib").resolve("modules"));
61 if (isImage) {
62 assertTrue(!topFrame.getModuleVersion().isEmpty(),
63 "Expected non-empty STE.getModuleVersion() for top frame");
64 }
65
66 assertNull(thisFrame.getModuleName(),
67 "Expected frame for test not to have a module name");
68
69 assertTrue(thisFrame.toString().startsWith(this.getClass().getName()),
70 "Expected toString to start with class name (no loader or module name");
71
72 assertEquals(thisFrame.getClassLoaderName(), "app",
73 "Expect STE to have loader name of \"app\"");
74 }
75 }
76
77 private static StackTraceElement findFrame(String cn, StackTraceElement[] stack) {
78 return Arrays.stream(stack)
79 .filter(s -> s.getClassName().equals(cn))
80 .findFirst()
81 .get();
82 }
83 }
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