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auto merge of #2426 : bjwbell/servo/add-message-to-assert, r=pcwalton

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If msttcorefonts isn't installed, output a more informative error message.

./servo ../src/test/html/about-mozilla.html prints
           "task 'LayoutWorker' failed at 'No matching font(s), are the appropriate fonts installed?',
            ../servo/src/components/gfx/font_context.rs:195"
vs. 
            "task 'LayoutWorker' failed at 'assertion failed: fonts.len() > 0',
            ../servo/src/components/gfx/font_context.rs:195"
This commit is contained in:
bors-servo 2014-05-15 12:19:17 -04:00
commit 3ccc81b9dc
1 changed files with 1 additions and 1 deletions
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2
src/components/gfx/font_context.rs
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@ -192,7 +192,7 @@ impl FontContext {
}; };
} }
} }
assert!(fonts.len() > 0); assert!(fonts.len() > 0, "No matching font(s), are the appropriate fonts installed?");
// TODO(Issue #179): Split FontStyle into specified and used styles // TODO(Issue #179): Split FontStyle into specified and used styles
let used_style = (*style).clone(); let used_style = (*style).clone();