--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/tools/jstat/gcCauseOutput1.awk Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,39 @@
+#
+# matching the following output specified as a pattern that verifies
+# that the numerical values conform to a specific pattern, rather than
+# specific values.
+#
+# S0 S1 E O M CCS YGC YGCT FGC FGCT GCT LGCC GCC
+# 0.00 0.00 0.00 9.97 90.94 87.70 2 0.013 0 0.000 0.013 Allocation Failure No GC
+
+
+BEGIN {
+ headerlines=0; datalines=0; totallines=0
+ }
+
+/^ S0 S1 E O M CCS YGC YGCT FGC FGCT GCT LGCC GCC $/ {
+ headerlines++;
+ }
+
+# The following pattern does not verify the validity of the gc cause
+# string as the values can vary depending on conditions out of our
+# control. To accomodate this variability, the pattern matcher simply
+# detects that there are two strings that match a specific pattern
+# where the first character is a letter followed by a sequence of zero
+# or more letters and spaces. It also provides for the ".", "(", and ")"
+# characters to allow for the string "System.gc()".
+#
+/^[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*([0-9]+\.[0-9]+)|-[ ]*[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[0-9]+\.[0-9]+[ ]*[a-zA-Z]+[a-zA-Z \.\(\)]*[ ]*[a-zA-Z]+[a-zA-Z \.\(\)]*$/ {
+ datalines++;
+ }
+
+ { totallines++; print $0 }
+
+END {
+ if ((headerlines == 1) && (datalines == 1)) {
+ exit 0
+ }
+ else {
+ exit 1
+ }
+ }