Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 178 insertions, 0 deletions

diff --git a/third_party/rust/bytes/tests/test_buf_mut.rs b/third_party/rust/bytes/tests/test_buf_mut.rs
new file mode 100644
index 0000000000..53f4e8611c
--- /dev/null
+++ b/third_party/rust/bytes/tests/test_buf_mut.rs
@@ -0,0 +1,178 @@
+#![warn(rust_2018_idioms)]
+
+use bytes::buf::UninitSlice;
+use bytes::{BufMut, BytesMut};
+use core::fmt::Write;
+use core::usize;
+
+#[test]
+fn test_vec_as_mut_buf() {
+    let mut buf = Vec::with_capacity(64);
+
+    assert_eq!(buf.remaining_mut(), isize::MAX as usize);
+
+    assert!(buf.chunk_mut().len() >= 64);
+
+    buf.put(&b"zomg"[..]);
+
+    assert_eq!(&buf, b"zomg");
+
+    assert_eq!(buf.remaining_mut(), isize::MAX as usize - 4);
+    assert_eq!(buf.capacity(), 64);
+
+    for _ in 0..16 {
+        buf.put(&b"zomg"[..]);
+    }
+
+    assert_eq!(buf.len(), 68);
+}
+
+#[test]
+fn test_vec_put_bytes() {
+    let mut buf = Vec::new();
+    buf.push(17);
+    buf.put_bytes(19, 2);
+    assert_eq!([17, 19, 19], &buf[..]);
+}
+
+#[test]
+fn test_put_u8() {
+    let mut buf = Vec::with_capacity(8);
+    buf.put_u8(33);
+    assert_eq!(b"\x21", &buf[..]);
+}
+
+#[test]
+fn test_put_u16() {
+    let mut buf = Vec::with_capacity(8);
+    buf.put_u16(8532);
+    assert_eq!(b"\x21\x54", &buf[..]);
+
+    buf.clear();
+    buf.put_u16_le(8532);
+    assert_eq!(b"\x54\x21", &buf[..]);
+}
+
+#[test]
+fn test_put_int() {
+    let mut buf = Vec::with_capacity(8);
+    buf.put_int(0x1020304050607080, 3);
+    assert_eq!(b"\x60\x70\x80", &buf[..]);
+}
+
+#[test]
+#[should_panic]
+fn test_put_int_nbytes_overflow() {
+    let mut buf = Vec::with_capacity(8);
+    buf.put_int(0x1020304050607080, 9);
+}
+
+#[test]
+fn test_put_int_le() {
+    let mut buf = Vec::with_capacity(8);
+    buf.put_int_le(0x1020304050607080, 3);
+    assert_eq!(b"\x80\x70\x60", &buf[..]);
+}
+
+#[test]
+#[should_panic]
+fn test_put_int_le_nbytes_overflow() {
+    let mut buf = Vec::with_capacity(8);
+    buf.put_int_le(0x1020304050607080, 9);
+}
+
+#[test]
+#[should_panic(expected = "cannot advance")]
+fn test_vec_advance_mut() {
+    // Verify fix for #354
+    let mut buf = Vec::with_capacity(8);
+    unsafe {
+        buf.advance_mut(12);
+    }
+}
+
+#[test]
+fn test_clone() {
+    let mut buf = BytesMut::with_capacity(100);
+    buf.write_str("this is a test").unwrap();
+    let buf2 = buf.clone();
+
+    buf.write_str(" of our emergency broadcast system").unwrap();
+    assert!(buf != buf2);
+}
+
+#[test]
+fn test_mut_slice() {
+    let mut v = vec![0, 0, 0, 0];
+    let mut s = &mut v[..];
+    s.put_u32(42);
+
+    assert_eq!(s.len(), 0);
+    assert_eq!(&v, &[0, 0, 0, 42]);
+}
+
+#[test]
+fn test_slice_put_bytes() {
+    let mut v = [0, 0, 0, 0];
+    let mut s = &mut v[..];
+    s.put_u8(17);
+    s.put_bytes(19, 2);
+    assert_eq!(1, s.remaining_mut());
+    assert_eq!(&[17, 19, 19, 0], &v[..]);
+}
+
+#[test]
+fn test_deref_bufmut_forwards() {
+    struct Special;
+
+    unsafe impl BufMut for Special {
+        fn remaining_mut(&self) -> usize {
+            unreachable!("remaining_mut");
+        }
+
+        fn chunk_mut(&mut self) -> &mut UninitSlice {
+            unreachable!("chunk_mut");
+        }
+
+        unsafe fn advance_mut(&mut self, _: usize) {
+            unreachable!("advance");
+        }
+
+        fn put_u8(&mut self, _: u8) {
+            // specialized!
+        }
+    }
+
+    // these should all use the specialized method
+    Special.put_u8(b'x');
+    (&mut Special as &mut dyn BufMut).put_u8(b'x');
+    (Box::new(Special) as Box<dyn BufMut>).put_u8(b'x');
+    Box::new(Special).put_u8(b'x');
+}
+
+#[test]
+#[should_panic]
+fn write_byte_panics_if_out_of_bounds() {
+    let mut data = [b'b', b'a', b'r'];
+
+    let slice = unsafe { UninitSlice::from_raw_parts_mut(data.as_mut_ptr(), 3) };
+    slice.write_byte(4, b'f');
+}
+
+#[test]
+#[should_panic]
+fn copy_from_slice_panics_if_different_length_1() {
+    let mut data = [b'b', b'a', b'r'];
+
+    let slice = unsafe { UninitSlice::from_raw_parts_mut(data.as_mut_ptr(), 3) };
+    slice.copy_from_slice(b"a");
+}
+
+#[test]
+#[should_panic]
+fn copy_from_slice_panics_if_different_length_2() {
+    let mut data = [b'b', b'a', b'r'];
+
+    let slice = unsafe { UninitSlice::from_raw_parts_mut(data.as_mut_ptr(), 3) };
+    slice.copy_from_slice(b"abcd");
+}