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-rw-r--r--libjava/testsuite/libjava.lang/StackTrace.java76
1 files changed, 76 insertions, 0 deletions
diff --git a/libjava/testsuite/libjava.lang/StackTrace.java b/libjava/testsuite/libjava.lang/StackTrace.java
new file mode 100644
index 0000000..b16e297
--- /dev/null
+++ b/libjava/testsuite/libjava.lang/StackTrace.java
@@ -0,0 +1,76 @@
+// Check that stack trace's work, and stack trace line numbers, if available,
+// are correct.
+
+public class StackTrace
+{
+ public static void main(String[] args)
+ {
+ try
+ {
+ a();
+ }
+ catch (Exception x)
+ {
+ StackTraceElement[] trace = x.getStackTrace();
+ checkTrace(trace);
+ }
+ }
+
+ static void a()
+ {
+ new Inner();
+ }
+
+ static class Inner
+ {
+ public Inner()
+ {
+ doCrash(null);
+ }
+
+ public void doCrash(Object o)
+ {
+ o.toString();
+ }
+ }
+
+ static void checkTrace(StackTraceElement[] trace)
+ {
+ System.out.println("Trace length = " + trace.length);
+ checkLine(trace[0], "StackTrace$Inner", "doCrash", 33);
+ checkLine(trace[1], "StackTrace$Inner", "<init>", 28);
+ checkLine(trace[2], "StackTrace", "a", 21);
+ checkLine(trace[3], "StackTrace", "main", 10);
+ }
+
+ static void checkLine(StackTraceElement frame, String expected_cl,
+ String expected_method, int expected_line)
+ {
+ if (frame.getClassName().equals(expected_cl))
+ System.out.print(expected_cl);
+ else
+ System.out.print("FAIL - expected " + expected_cl + ", got: " +
+ frame.getClassName());
+
+ System.out.print(".");
+
+ if (frame.getMethodName().equals(expected_method))
+ System.out.print(expected_method);
+ else
+ System.out.print("FAIL - expected " + expected_method + ", got: " +
+ frame.getMethodName());
+
+ System.out.print(":");
+
+ // Permit either the correct line number or no line number. This is so
+ // we don't fail on platforms that don't yet support reading debug info
+ // for stack traces, or when no debug info is available.
+ if (frame.getLineNumber() < 0
+ || (frame.getLineNumber() == expected_line
+ && frame.getFileName().equals("StackTrace.java")))
+ System.out.println("OK");
+ else
+ System.out.println("FAIL - expected " + expected_line + ", got: " +
+ frame.getLineNumber());
+ }
+}