Add error checking for GLSL_PARSER env var

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/glslparsertest/external-glslparsertest.sh b/tests/glslparsertest/external-glslparsertest.sh
index eed30bbf3..20ab0ddbd 100755
--- a/tests/glslparsertest/external-glslparsertest.sh
+++ b/tests/glslparsertest/external-glslparsertest.sh
@@ -5,6 +5,19 @@ if test "x$2" != "xpass" -a "x$2" != "xfail"; then
     exit 1;
 fi
 
+if test "x$GLSL_PARSER" = x ; then
+    echo 'Set GLSL_PARSER env var to point to parser program.'
+    echo PIGLIT: {\'result\': \'fail\' }
+    exit
+fi
+
+if test ! -x $GLSL_PARSER ; then
+    echo 'Program specified by GLSL_PARSER env var does not exist or is not executable.'
+    echo PIGLIT: {\'result\': \'fail\' }
+    exit
+fi
+
+
 result=$($GLSL_PARSER $1)
 status=$?