fix tests for stateful paragraph

pull/84/head
Takayuki Maeda 3 years ago
parent ac05262255
commit 5929b0af14

@ -86,7 +86,23 @@ impl<'a, 'b> LineComposer<'a> for WordWrapper<'a, 'b> {
self.current_line.push(StyledGrapheme { symbol, style });
current_line_width += Cast::<u16>::cast(symbol.width());
if current_line_width >= self.max_line_width {
if current_line_width > self.max_line_width {
// If there was no word break in the text, wrap at the end of the line.
let (truncate_at, truncated_width) = if symbols_to_last_word_end == 0 {
(self.current_line.len() - 1, self.max_line_width)
} else {
(self.current_line.len() - 1, width_to_last_word_end)
};
// Push the remainder to the next line but strip leading whitespace:
{
let remainder = &self.current_line[truncate_at..];
if !remainder.is_empty() {
self.next_line.extend_from_slice(&remainder);
}
}
self.current_line.truncate(truncate_at);
current_line_width = truncated_width;
break;
}
@ -309,15 +325,26 @@ mod test {
);
let (line_truncator, _) = run_composer(Composer::LineTruncator, text, width as u16);
let word_wrapped = vec![
"abcd efghij",
"klmnopabcd efgh",
"ijklmnopabcdefg",
"hijkl mnopab c d e f",
"g h i j k l m n o",
];
assert_eq!(word_wrapper_single_space, word_wrapped);
assert_eq!(word_wrapper_multi_space, word_wrapped);
assert_eq!(
word_wrapper_single_space,
vec![
"abcd efghij klmnopab",
"cd efgh ijklmnopabcd",
"efg hijkl mnopab c d",
" e f g h i j k l m n",
" o",
]
);
assert_eq!(
word_wrapper_multi_space,
vec![
"abcd efghij klmno",
"pabcd efgh ijklm",
"nopabcdefg hijkl mno",
"pab c d e f g h i j ",
"k l m n o"
]
);
assert_eq!(line_truncator, vec![&text[..width]]);
}
@ -341,9 +368,7 @@ mod test {
let (word_wrapper, _) = run_composer(Composer::WordWrapper { trim: true }, text, width);
let (line_truncator, _) = run_composer(Composer::LineTruncator, text, width);
let expected: Vec<&str> = UnicodeSegmentation::graphemes(text, true)
.filter(|g| g.chars().any(|c| !c.is_whitespace()))
.collect();
let expected: Vec<&str> = UnicodeSegmentation::graphemes(text, true).collect();
assert_eq!(word_wrapper, expected);
assert_eq!(line_truncator, vec!["a"]);
}
@ -368,11 +393,10 @@ mod test {
assert_eq!(
word_wrapper,
vec![
"abcd efghij",
"klmnopabcdefghijklmn",
"opabcdefghijkl",
"mnopab cdefghi j",
"klmno",
"abcd efghij klmnopab",
"cdefghijklmnopabcdef",
"ghijkl mnopab cdefgh",
"i j klmno"
]
)
}
@ -403,7 +427,7 @@ mod test {
let text = "AAAAAAAAAAAAAAAAAAAA AAA";
let (word_wrapper, _) = run_composer(Composer::WordWrapper { trim: true }, text, width);
let (line_truncator, _) = run_composer(Composer::LineTruncator, text, width);
assert_eq!(word_wrapper, vec!["AAAAAAAAAAAAAAAAAAAA", "AAA",]);
assert_eq!(word_wrapper, vec!["AAAAAAAAAAAAAAAAAAAA", " AAA",]);
assert_eq!(line_truncator, vec!["AAAAAAAAAAAAAAAAAAAA"]);
}
@ -430,7 +454,15 @@ mod test {
// after 20 of which a word break occurs (probably shouldn't). The second line break
// discards all whitespace. The result should probably be vec!["a"] but it doesn't matter
// that much.
assert_eq!(word_wrapper, vec!["a", ""]);
assert_eq!(
word_wrapper,
vec![
"a ",
" ",
" ",
" "
]
);
assert_eq!(line_truncator, vec!["a "]);
}
@ -448,16 +480,15 @@ mod test {
assert_eq!(
word_wrapper,
vec![
"コンピュ",
"ータ上で文字を扱う場",
"合、 典型的には文",
"字による 通信を行",
"う場合にその両端点で",
"は、",
"コンピュ ータ上で文",
"字を扱う場合、 典型",
"的には文 字による 通",
"信を行 う場合にその",
"両端点では、"
]
);
// Odd-sized lines have a space in them.
assert_eq!(word_wrapper_width, vec![8, 20, 17, 17, 20, 4]);
assert_eq!(word_wrapper_width, vec![8, 14, 17, 6, 12]);
}
/// Ensure words separated by nbsp are wrapped as if they were a single one.
@ -466,13 +497,13 @@ mod test {
let width = 20;
let text = "AAAAAAAAAAAAAAA AAAA\u{00a0}AAA";
let (word_wrapper, _) = run_composer(Composer::WordWrapper { trim: true }, text, width);
assert_eq!(word_wrapper, vec!["AAAAAAAAAAAAAAA", "AAAA\u{00a0}AAA",]);
assert_eq!(word_wrapper, vec!["AAAAAAAAAAAAAAA AAAA", "\u{a0}AAA"]);
// Ensure that if the character was a regular space, it would be wrapped differently.
let text_space = text.replace("\u{00a0}", " ");
let (word_wrapper_space, _) =
run_composer(Composer::WordWrapper { trim: true }, &text_space, width);
assert_eq!(word_wrapper_space, vec!["AAAAAAAAAAAAAAA AAAA", "AAA",]);
assert_eq!(word_wrapper_space, vec!["AAAAAAAAAAAAAAA AAAA", " AAA"]);
}
#[test]
@ -480,7 +511,7 @@ mod test {
let width = 20;
let text = "AAAAAAAAAAAAAAAAAAAA AAA";
let (word_wrapper, _) = run_composer(Composer::WordWrapper { trim: false }, text, width);
assert_eq!(word_wrapper, vec!["AAAAAAAAAAAAAAAAAAAA", " AAA",]);
assert_eq!(word_wrapper, vec!["AAAAAAAAAAAAAAAAAAAA", " AAA"]);
}
#[test]
@ -490,7 +521,7 @@ mod test {
let (word_wrapper, _) = run_composer(Composer::WordWrapper { trim: false }, text, width);
assert_eq!(
word_wrapper,
vec!["AAA AAA", "AAAAA AA", "AAAAAA", " B", " C", " D"]
vec!["AAA AAA AA", "AAA AA AAA", "AAA", " B", " C", " D"]
);
}
@ -503,11 +534,11 @@ mod test {
word_wrapper,
vec![
" ",
" 4",
"Indent",
" 4 Ind",
"ent",
" ",
" must",
"wrap!"
" mus",
"t wrap!"
]
);
}

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