motiejus/zig

commit dc2df155285576b8da621fbffac451c036af0ed0 (tree)
parent 11d8a8cc7b6984f2c79923a5e3f763003f2b558f
Author: Andrew Kelley <superjoe30@gmail.com>
Date:   Sun,  7 May 2017 13:26:41 -0400

add test case for all prongs unreachable in switch

See #43

Diffstat:
M
test/cases/switch.zig
 | 
20
++++++++++++++++++++

1 file changed, 20 insertions(+), 0 deletions(-)
diff --git a/test/cases/switch.zig b/test/cases/switch.zig
@@ -205,3 +205,23 @@ fn testSwitchHandleAllCasesRange(x: u8) -> u8 {
     }
 }
 
+test "switch all prongs unreachable" {
+    testAllProngsUnreachable();
+    comptime testAllProngsUnreachable();
+}
+
+fn testAllProngsUnreachable() {
+    assert(switchWithUnreachable(1) == 2);
+    assert(switchWithUnreachable(2) == 10);
+}
+
+fn switchWithUnreachable(x: i32) -> i32 {
+    while (true) {
+        switch (x) {
+            1 => return 2,
+            2 => break,
+            else => continue,
+        }
+    }
+    return 10;
+}