Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/ui/parser/ranges-precedence.rs b/tests/ui/parser/ranges-precedence.rs
new file mode 100644
index 000000000..db241ed0c
--- /dev/null
+++ b/tests/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, (..));
+}