typst/tests/typ/control/while.typ
2021-02-24 21:29:32 +01:00

47 lines
741 B
Typst

// Test while expressions.
---
// Should output `2 4 6 8 10`.
#let i = 0
#while i < 10 [
{ i += 2 }
#i
]
// Should output `Hi`.
#let iter = true
#while iter {
iter = false
"Hi."
}
#while false {
dont-care
}
---
// Value of while loops.
// Ref: false
#test(type(while false {}), "template")
#test(type(while false []), "template")
---
// Error: 14-19 unknown variable
#let error = error
// Condition must be boolean.
// Error: 8-14 expected boolean, found template
#while [nope] [nope]
// Make sure that we don't complain twice.
// Error: 8-15 unknown variable
#while nothing {}
// A single error stops iteration.
#let i = 0
#test(error, while i < 10 {
i += 1
if i < 5 [nope] else { error }
})
#test(i, 5)