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// Test invalid operations.
// Ref: false
---
// Error: 4 expected expression
#(-)
---
// Error: 10 expected expression
#test({1+}, 1)
---
// Error: 10 expected expression
#test({2*}, 2)
---
// Error: 3-13 cannot apply unary '+' to content
#(+([] + []))
---
// Error: 3-6 cannot apply '-' to string
#(-"")
---
// Error: 3-9 cannot apply 'not' to array
#(not ())
---
// Error: 3-19 cannot compare relative length and ratio
#(30% + 1pt <= 40%)
---
// Error: 3-14 cannot compare 1em with 10pt
#(1em <= 10pt)
---
// Error: 3-22 cannot compare 2.2 with NaN
#(2.2 <= float("nan"))
---
// Error: 3-26 cannot compare integer and string
#((0, 1, 3) > (0, 1, "a"))
---
// Error: 3-42 cannot compare 3.5 with NaN
#((0, "a", 3.5) <= (0, "a", float("nan")))
---
// Error: 3-12 cannot divide by zero
#(1.2 / 0.0)
---
// Error: 3-8 cannot divide by zero
#(1 / 0)
---
// Error: 3-15 cannot divide by zero
#(15deg / 0deg)
---
// Special messages for +, -, * and /.
// Error: 3-10 cannot add integer and string
#(1 + "2", 40% - 1)
---
// Error: 15-23 cannot add integer and string
#{ let x = 1; x += "2" }
---
// Error: 4-13 cannot divide ratio by length
#( 10% / 5pt )
---
// Error: 3-12 cannot divide these two lengths
#(1em / 5pt)
---
// Error: 3-19 cannot divide relative length by ratio
#((10% + 1pt) / 5%)
---
// Error: 3-28 cannot divide these two relative lengths
#((10% + 1pt) / (20% + 1pt))
---
// Error: 13-20 cannot subtract integer from ratio
#((1234567, 40% - 1))
---
// Error: 3-11 cannot multiply integer with boolean
#(2 * true)
---
// Error: 3-11 cannot divide integer by length
#(3 / 12pt)
---
// Error: 3-10 number must be at least zero
#(-1 * "")
---
// Error: 4-5 unknown variable: x
#((x) = "")
---
// Error: 4-5 unknown variable: x
#((x,) = (1,))
---
// Error: 3-8 cannot mutate a temporary value
#(1 + 2 += 3)
---
// Error: 2:3-2:8 cannot apply 'not' to string
#let x = "Hey"
#(not x = "a")
---
// Error: 7-8 unknown variable: x
#(1 + x += 3)
---
// Error: 3-4 unknown variable: z
#(z = 1)
---
// Error: 3-7 cannot mutate a constant: rect
#(rect = "hi")
---
// Works if we define rect beforehand
// (since then it doesn't resolve to the standard library version anymore).
#let rect = ""
#(rect = "hi")
|
