Test par file argument handling

This had been broken with my python3 launcher.

Test: build/soong/python/tests/runtest.sh
Change-Id: I0524e5a80244bf1080cb28237b23ef0d023e03dc
diff --git a/python/tests/par_test.py b/python/tests/par_test.py
index 1fafe0f..56a5063 100644
--- a/python/tests/par_test.py
+++ b/python/tests/par_test.py
@@ -44,6 +44,13 @@
 assert_equal("sys.path[1]", sys.path[1], os.path.join(archive, "internal"))
 assert_equal("sys.path[2]", sys.path[2], os.path.join(archive, "internal", "stdlib"))
 
+if os.getenv('ARGTEST', False):
+    assert_equal("len(sys.argv)", len(sys.argv), 3)
+    assert_equal("sys.argv[1]", sys.argv[1], "--arg1")
+    assert_equal("sys.argv[2]", sys.argv[2], "arg2")
+else:
+    assert_equal("len(sys.argv)", len(sys.argv), 1)
+
 if failed:
     sys.exit(1)
 
diff --git a/python/tests/runtest.sh b/python/tests/runtest.sh
index 1ecdebc..21187ed 100755
--- a/python/tests/runtest.sh
+++ b/python/tests/runtest.sh
@@ -36,8 +36,12 @@
 PYTHONHOME=/usr $ANDROID_HOST_OUT/nativetest64/par_test/par_test
 PYTHONPATH=/usr $ANDROID_HOST_OUT/nativetest64/par_test/par_test
 
+ARGTEST=true $ANDROID_HOST_OUT/nativetest64/par_test/par_test --arg1 arg2
+
 PYTHONHOME= PYTHONPATH= $ANDROID_HOST_OUT/nativetest64/par_test3/par_test3
 PYTHONHOME=/usr $ANDROID_HOST_OUT/nativetest64/par_test3/par_test3
 PYTHONPATH=/usr $ANDROID_HOST_OUT/nativetest64/par_test3/par_test3
 
+ARGTEST=true $ANDROID_HOST_OUT/nativetest64/par_test3/par_test3 --arg1 arg2
+
 echo "Passed!"