Bug 600522 - Sunspider trace-test 'check-date-format-tofte.js' fails on computers not set to Pacific time. r=dmandelin

js/src/jit-test/README

@@ -52,7 +52,9 @@ The general format in EBNF is:
     cookie    ::= "|jit-test|"
     item      ::= flag | attribute
 
-    flag      ::= "slow" | "allow-oom" | "valgrind" | "mjitalways" | "debug"
+    flag      ::= "slow" | "allow-oom" | "valgrind" | "tz-pacific" |
+                  "mjitalways" | "debug" |
+
 
     attribute ::= name ":" value
     name      ::= "error" | "exitstatus"
@@ -66,6 +68,7 @@ The meaning of the items:
     slow         Test runs slowly. Do not run if the --no-slow option is given.
     allow-oom    If the test runs out of memory, it counts as passing.
     valgrind     Run test under valgrind.
+    tz-pacific   Always run test with the Pacific time zone (TZ=PST8PDT).
     mjitalways   Run js with -a, whether --jitflags says to or not
     debug        Run js with -d, whether --jitflags says to or not
 

js/src/jit-test/jit_test.py

@@ -54,6 +54,7 @@ class Test:
         self.slow = False      # True means the test is slow-running
         self.allow_oom = False # True means that OOM is not considered a failure
         self.valgrind = False  # True means run under valgrind
+        self.tz_pacific = False # True means force Pacific time for the test
         self.expect_error = '' # Errors to expect and consider passing
         self.expect_status = 0 # Exit status to expect from shell
 
@@ -63,6 +64,7 @@ class Test:
         t.slow = self.slow
         t.allow_oom = self.allow_oom
         t.valgrind = self.valgrind
+        t.tz_pacific = self.tz_pacific
         t.expect_error = self.expect_error
         t.expect_status = self.expect_status
         return t
@@ -101,6 +103,8 @@ class Test:
                         test.allow_oom = True
                     elif name == 'valgrind':
                         test.valgrind = options.valgrind
+                    elif name == 'tz-pacific':
+                        test.tz_pacific = True
                     elif name == 'mjitalways':
                         test.jitflags.append('-a')
                     elif name == 'debug':
@@ -222,7 +226,12 @@ def run_test(test, lib_dir, shell_args):
         run = run_cmd_avoid_stdio
     else:
         run = run_cmd
-    out, err, code, timed_out = run(cmd, os.environ, OPTIONS.timeout)
+
+    env = os.environ.copy()
+    if test.tz_pacific:
+        env['TZ'] = 'PST8PDT'
+
+    out, err, code, timed_out = run(cmd, env, OPTIONS.timeout)
 
     if OPTIONS.show_output:
         sys.stdout.write(out)

js/src/jit-test/tests/sunspider/check-date-format-tofte.js

@@ -1,3 +1,5 @@
+// |jit-test| tz-pacific
+
 function arrayExists(array, x) {
     for (var i = 0; i < array.length; i++) {
         if (array[i] == x) return true;