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-rw-r--r--src/test/run-pass/syntax-extension-fmt.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/run-pass/syntax-extension-fmt.rs b/src/test/run-pass/syntax-extension-fmt.rs
index c4717724..2ffea946 100644
--- a/src/test/run-pass/syntax-extension-fmt.rs
+++ b/src/test/run-pass/syntax-extension-fmt.rs
@@ -43,4 +43,14 @@ fn main() {
test(#fmt("%10x", 0xff_u), " ff");
test(#fmt("%10X", 0xff_u), " FF");
test(#fmt("%10t", 0xff_u), " 11111111");
+
+ // Left justify
+ test(#fmt("%-10d", 500), "500 ");
+ test(#fmt("%-10d", -500), "-500 ");
+ test(#fmt("%-10u", 500u), "500 ");
+ test(#fmt("%-10s", "test"), "test ");
+ test(#fmt("%-10b", true), "true ");
+ test(#fmt("%-10x", 0xff_u), "ff ");
+ test(#fmt("%-10X", 0xff_u), "FF ");
+ test(#fmt("%-10t", 0xff_u), "11111111 ");
}