Merge pull request #101 from FredTheDino/single-tuples

Single-element tuples

3 files changed, 37 insertions, 0 deletions

diff --git a/progs/tests/tuples.sy b/progs/tests/tuples.sy
new file mode 100644
index 0000000..642e381
--- /dev/null
+++ b/progs/tests/tuples.sy
@@ -0,0 +1,24 @@
+start :: fn {
+    a := (1,2)
+    a[0] <=> 1
+    a[1] <=> 2
+
+    b := (1,)
+    b[0] <=> 1
+
+    empty := ()
+    c := (empty,)
+    c[0] <=> ()
+
+    d := (1,2)
+    d[0] <=> d[0]
+
+    {
+        q := d[2-2]
+        d[d[(5 + 3) * 0]] <=> d[d[(5 + 3) * 0]]
+        w := d[0]
+        q + w
+        q - w
+        q * w
+    }
+}
diff --git a/progs/tests/tuples_fail_invalid_singleton.sy b/progs/tests/tuples_fail_invalid_singleton.sy
new file mode 100644
index 0000000..a8fafaa
--- /dev/null
+++ b/progs/tests/tuples_fail_invalid_singleton.sy
@@ -0,0 +1,7 @@
+start :: fn {
+    a := (,)
+    a
+}
+
+//TODO(gu) See #100
+// errors: [ErrorKind::SyntaxError(_, _), ErrorKind::SyntaxError(_, _), ErrorKind::SyntaxError(_, _)]
diff --git a/progs/tests/tuples_fail_out_of_bounds.sy b/progs/tests/tuples_fail_out_of_bounds.sy
new file mode 100644
index 0000000..cb0764a
--- /dev/null
+++ b/progs/tests/tuples_fail_out_of_bounds.sy
@@ -0,0 +1,6 @@
+start :: fn {
+    a := (1, 2)
+    a[2]
+}
+
+// errors: [ErrorKind::IndexOutOfBounds(_, 2, 2)]