lldb-formatters: Use StdSliceSyntheticProvider for &str

1 files changed, 63 insertions, 0 deletions

diff --git a/tests/debuginfo/strings-and-strs.rs b/tests/debuginfo/strings-and-strs.rs
new file mode 100644
index 00000000000..48d40d167ba
--- /dev/null
+++ b/tests/debuginfo/strings-and-strs.rs
@@ -0,0 +1,63 @@
+//@ min-gdb-version: 14.0
+//@ min-lldb-version: 1800
+
+//@ compile-flags:-g
+
+// === GDB TESTS ===================================================================================
+// gdb-command:run
+
+// gdb-command:print plain_string
+// gdbr-check:$1 = alloc::string::String {vec: alloc::vec::Vec<u8, alloc::alloc::Global> {buf: alloc::raw_vec::RawVec<u8, alloc::alloc::Global> {ptr: core::ptr::unique::Unique<u8> {pointer: core::ptr::non_null::NonNull<u8> {pointer: 0x55555555ab80}, _marker: core::marker::PhantomData<u8>}, cap: alloc::raw_vec::Cap (5), alloc: alloc::alloc::Global}, len: 5}}
+
+// gdb-command:print plain_str
+// gdbr-check:$2 = "Hello"
+
+// gdb-command:print str_in_struct
+// gdbr-check:$3 = strings_and_strs::Foo {inner: "Hello"}
+
+// gdb-command:print str_in_tuple
+// gdbr-check:$4 = ("Hello", "World")
+
+// gdb-command:print str_in_rc
+// gdbr-check:$5 = alloc::rc::Rc<&str, alloc::alloc::Global> {ptr: core::ptr::non_null::NonNull<alloc::rc::RcBox<&str>> {pointer: 0x55555555aae0}, phantom: core::marker::PhantomData<alloc::rc::RcBox<&str>>, alloc: alloc::alloc::Global}
+
+
+// === LLDB TESTS ==================================================================================
+// lldb-command:run
+// lldb-command:v plain_string
+// lldbg-check:(alloc::string::String) plain_string = "Hello" { vec = size=5 { [0] = 'H' [1] = 'e' [2] = 'l' [3] = 'l' [4] = 'o' } }
+
+// lldb-command:v plain_str
+// lldbg-check:(&str) plain_str = "Hello" { [0] = 'H' [1] = 'e' [2] = 'l' [3] = 'l' [4] = 'o' }
+
+// lldb-command:v str_in_struct
+// lldbg-check:((&str, &str)) str_in_tuple = { 0 = "Hello" { [0] = 'H' [1] = 'e' [2] = 'l' [3] = 'l' [4] = 'o' } 1 = "World" { [0] = 'W' [1] = 'o' [2] = 'r' [3] = 'l' [4] = 'd' } }
+
+// lldb-command:v str_in_tuple
+// lldbg-check:((&str, &str)) str_in_tuple = { 0 = "Hello" { [0] = 'H' [1] = 'e' [2] = 'l' [3] = 'l' [4] = 'o' } 1 = "World" { [0] = 'W' [1] = 'o' [2] = 'r' [3] = 'l' [4] = 'd' } }
+
+// lldb-command:v str_in_rc
+// lldbg-check:(alloc::rc::Rc<&str, alloc::alloc::Global>) str_in_rc = strong=1, weak=0 { value = "Hello" { [0] = 'H' [1] = 'e' [2] = 'l' [3] = 'l' [4] = 'o' } }
+
+
+#![allow(unused_variables)]
+#![feature(omit_gdb_pretty_printer_section)]
+#![omit_gdb_pretty_printer_section]
+
+pub struct Foo<'a> {
+    inner: &'a str,
+}
+
+fn main() {
+    let plain_string = String::from("Hello");
+    let plain_str = "Hello";
+    let str_in_struct = Foo { inner: "Hello" };
+    let str_in_tuple = ("Hello", "World");
+
+    let str_in_rc = std::rc::Rc::new("Hello");
+    zzz(); // #break
+}
+
+fn zzz() {
+    ()
+}