add a Write implementation for Parser

1 files changed, 60 insertions, 0 deletions

diff --git a/tests/write.rs b/tests/write.rs
new file mode 100644
index 0000000..0b1d5fe
--- /dev/null
+++ b/tests/write.rs
@@ -0,0 +1,60 @@
+use std::io::Write as _;
+
+#[test]
+fn write_text() {
+    let mut parser = vt100::Parser::default();
+    let input = b"foo\x1b[31m\x1b[32mb\x1b[3;7;42ma\x1b[23mr";
+    let bytes = parser.write(input).unwrap();
+    assert_eq!(bytes, input.len());
+    assert_eq!(parser.screen().contents(), "foobar");
+}
+
+#[test]
+fn cell_contents() {
+    let mut parser = vt100::Parser::default();
+    let input = b"foo\x1b[31m\x1b[32mb\x1b[3;7;42ma\x1b[23mr";
+    let bytes = parser.write(input).unwrap();
+    assert_eq!(bytes, input.len());
+    assert_eq!(parser.screen().cell(0, 0).unwrap().contents(), "f");
+    assert_eq!(parser.screen().cell(0, 1).unwrap().contents(), "o");
+    assert_eq!(parser.screen().cell(0, 2).unwrap().contents(), "o");
+    assert_eq!(parser.screen().cell(0, 3).unwrap().contents(), "b");
+    assert_eq!(parser.screen().cell(0, 4).unwrap().contents(), "a");
+    assert_eq!(parser.screen().cell(0, 5).unwrap().contents(), "r");
+    assert_eq!(parser.screen().cell(0, 6).unwrap().contents(), "");
+}
+
+#[test]
+fn cell_colors() {
+    let mut parser = vt100::Parser::default();
+    let input = b"foo\x1b[31m\x1b[32mb\x1b[3;7;42ma\x1b[23mr";
+    let bytes = parser.write(input).unwrap();
+    assert_eq!(bytes, input.len());
+
+    assert_eq!(
+        parser.screen().cell(0, 0).unwrap().fgcolor(),
+        vt100::Color::Default
+    );
+    assert_eq!(
+        parser.screen().cell(0, 3).unwrap().fgcolor(),
+        vt100::Color::Idx(2)
+    );
+    assert_eq!(
+        parser.screen().cell(0, 4).unwrap().fgcolor(),
+        vt100::Color::Idx(2)
+    );
+    assert_eq!(
+        parser.screen().cell(0, 4).unwrap().bgcolor(),
+        vt100::Color::Idx(2)
+    );
+}
+
+#[test]
+fn cell_attrs() {
+    let mut parser = vt100::Parser::default();
+    let input = b"foo\x1b[31m\x1b[32mb\x1b[3;7;42ma\x1b[23mr";
+    let bytes = parser.write(input).unwrap();
+    assert_eq!(bytes, input.len());
+
+    assert!(parser.screen().cell(0, 4).unwrap().italic());
+}