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-rw-r--r--tests/display.rs29
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/display.rs b/tests/display.rs
index a6d6eb1..8826303 100644
--- a/tests/display.rs
+++ b/tests/display.rs
@@ -19,6 +19,35 @@ fn formatters_are_not_feature_gated() {
#[cfg(feature="alloc")]
#[test]
+fn instruction_text_sink_write_char_requires_ascii() {
+ use core::fmt::Write;
+
+ let mut text = String::with_capacity(512);
+ let mut sink = unsafe {
+ yaxpeax_arch::display::InstructionTextSink::new(&mut text)
+ };
+ let expected = "`1234567890-=+_)(*&^%$#@!~\\][poiuytrewq |}{POIUYTREWQ';lkjhgfdsa\":LKJHGFDSA/.,mnbvcxz?><MNBVCXZ \r\n";
+ for c in expected.as_bytes().iter() {
+ sink.write_char(*c as char).expect("write works");
+ }
+ assert_eq!(text, expected);
+}
+
+#[cfg(feature="alloc")]
+#[test]
+#[should_panic]
+fn instruction_text_sink_write_char_rejects_not_ascii() {
+ use core::fmt::Write;
+
+ let mut text = String::with_capacity(512);
+ let mut sink = unsafe {
+ yaxpeax_arch::display::InstructionTextSink::new(&mut text)
+ };
+ sink.write_char('\u{80}').expect("write works");
+}
+
+#[cfg(feature="alloc")]
+#[test]
fn display_sink_write_hex_helpers() {
use yaxpeax_arch::display::{DisplaySink};