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-rw-r--r--src/test/ui/parser/ranges-precedence.rs52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/test/ui/parser/ranges-precedence.rs b/src/test/ui/parser/ranges-precedence.rs
new file mode 100644
index 000000000..db241ed0c
--- /dev/null
+++ b/src/test/ui/parser/ranges-precedence.rs
@@ -0,0 +1,52 @@
+// run-pass
+// Test that the precedence of ranges is correct
+
+
+
+struct Foo {
+ foo: usize,
+}
+
+impl Foo {
+ fn bar(&self) -> usize { 5 }
+}
+
+fn main() {
+ let x = 1+3..4+5;
+ assert_eq!(x, (4..9));
+
+ let x = 1..4+5;
+ assert_eq!(x, (1..9));
+
+ let x = 1+3..4;
+ assert_eq!(x, (4..4));
+
+ let a = Foo { foo: 3 };
+ let x = a.foo..a.bar();
+ assert_eq!(x, (3..5));
+
+ let x = 1+3..;
+ assert_eq!(x, (4..));
+ let x = ..1+3;
+ assert_eq!(x, (..4));
+
+ let a = &[0, 1, 2, 3, 4, 5, 6];
+ let x = &a[1+1..2+2];
+ assert_eq!(x, &a[2..4]);
+ let x = &a[..1+2];
+ assert_eq!(x, &a[..3]);
+ let x = &a[1+2..];
+ assert_eq!(x, &a[3..]);
+
+ for _i in 2+4..10-3 {}
+
+ let i = 42;
+ for _ in 1..i {}
+ for _ in 1.. { break; }
+
+ let x = [1]..[2];
+ assert_eq!(x, (([1])..([2])));
+
+ let y = ..;
+ assert_eq!(y, (..));
+}