зеркало из https://github.com/mozilla/gecko-dev.git
servo: Merge #9300 - layout/text.rs: Add assertion for empty fontgroup (from antrik:assert_empty_fontgroup); r=Ms2ger
Source-Repo: https://github.com/servo/servo Source-Revision: a76de4b0cc2ec1e37539e9d328c9825c9812be78
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@ -186,6 +186,8 @@ impl TextRunScanner {
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// Search for the first font in this font group that contains a glyph for this
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// character.
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let mut font_index = 0;
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// The following code panics one way or another if this condition isn't met.
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assert!(fontgroup.fonts.len() > 0);
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while font_index < fontgroup.fonts.len() - 1 {
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if fontgroup.fonts.get(font_index).unwrap().borrow()
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.glyph_index(character)
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