[vala/staging] tests: Add "tuple" parser test to increase coverage

[Rico Tzschichholz <ricotz src gnome org>]

commit fa49ab772489616cd34495731245cef53ba57050
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Jan 6 23:52:37 2018 +0100

    tests: Add "tuple" parser test to increase coverage

 tests/Makefile.am       |    1 +
 tests/parser/tuple.vala |   14 ++++++++++++++
 2 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index afcc04a..95cc6f2 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -319,6 +319,7 @@ TESTS = \
        annotations/noaccessormethod.test \
        parser/switch-statement.vala \
        parser/template.vala \
+       parser/tuple.vala \
        $(NULL)
 
 NON_NULL_TESTS = \
diff --git a/tests/parser/tuple.vala b/tests/parser/tuple.vala
new file mode 100644
index 0000000..1c16942
--- /dev/null
+++ b/tests/parser/tuple.vala
@@ -0,0 +1,14 @@
+void main () {
+       string[] FOO = { "foo", null };
+       int[] BAR = { 42, 4711 };
+
+       unowned string? s, n;
+       (s, n) = FOO;
+       assert (s == "foo");
+       assert (n == null);
+
+       int i, j;
+       (i, j) = BAR;
+       assert (i == 42);
+       assert (j == 4711);
+}