// Test OpenType features.

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// Test turning kerning off.
#text(kerning: true)[Tq] \
#text(kerning: false)[Tq]

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// Test smallcaps.
#set text("Roboto")
#smallcaps[Smallcaps]

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// Test alternates and stylistic sets.
#set text("IBM Plex Serif")
a vs #text(alternates: true)[a] \
ß vs #text(stylistic-set: 5)[ß]

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// Test ligatures.
fi vs. #text(ligatures: false)[No fi]

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// Test number type.
#set text("Roboto")
#set text(number-type: "old-style")
0123456789 \
#text(number-type: auto)[0123456789]

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// Test number width.
#set text("Roboto")
#text(number-width: "proportional")[0123456789] \
#text(number-width: "tabular")[3456789123] \
#text(number-width: "tabular")[0123456789]

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// Test number position.
#set text("IBM Plex Sans")
#text(number-position: "normal")[C2H4] \
#text(number-position: "subscript")[C2H4] \
#text(number-position: "superscript")[C2H4]

---
// Test extra number stuff.
#set text("IBM Plex Sans")
0 vs. #text(slashed-zero: true)[0] \
1/2 vs. #text(fractions: true)[1/2]

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// Test raw features.
#set text("Roboto")
#text(features: ("smcp",))[Smcp] \
fi vs. #text(features: (liga: 0))[No fi]

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// Error: 26-31 expected integer or none, found boolean
#set text(stylistic-set: false)

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// Error: 26-28 must be between 1 and 20
#set text(stylistic-set: 25)

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// Error: 24-25 expected string or auto, found integer
#set text(number-type: 2)

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// Error: 24-35 expected "lining" or "old-style"
#set text(number-type: "different")

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// Error: 21-26 expected array of strings or dictionary mapping tags to integers, found boolean
#set text(features: false)