typst/tests/suite/foundations/dict.typ
2024-05-17 14:27:59 +02:00

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// Test dictionaries.
--- dict-basic-syntax ---
// Empty
#(:)
// Two pairs and string key.
#let dict = (normal: 1, "spacy key": 2)
#dict
#test(dict.normal, 1)
#test(dict.at("spacy key"), 2)
--- dict-fields ---
// Test field on dictionary.
#let dict = (nothing: "ness", hello: "world")
#test(dict.nothing, "ness")
#{
let world = dict
.hello
test(world, "world")
}
--- dict-missing-field ---
// Error: 6-13 dictionary does not contain key "invalid"
#(:).invalid
--- dict-bad-key ---
// Error: 3-7 expected string, found boolean
// Error: 16-18 expected string, found integer
#(true: false, 42: 3)
--- dict-duplicate-key ---
// Error: 24-29 duplicate key: first
#(first: 1, second: 2, first: 3)
--- dict-duplicate-key-stringy ---
// Error: 17-20 duplicate key: a
#(a: 1, "b": 2, "a": 3)
--- dict-bad-expression ---
// Simple expression after already being identified as a dictionary.
// Error: 9-10 expected named or keyed pair, found identifier
#(a: 1, b)
--- dict-leading-colon ---
// Identified as dictionary due to initial colon.
// The boolean key is allowed for now since it will only cause an error at the evaluation stage.
// Error: 4-5 expected named or keyed pair, found integer
// Error: 17 expected expression
#(:1 b:"", true:)
--- spread-into-dict ---
#{
let x = (a: 1)
let y = (b: 2)
let z = (a: 3)
test((:..x, ..y, ..z), (a: 3, b: 2))
test((..(a: 1), b: 2), (a: 1, b: 2))
}
--- spread-array-into-dict ---
// Error: 3-11 cannot spread array into dictionary
#(..(1, 2), a: 1)
--- dict-at-lvalue ---
// Test lvalue and rvalue access.
#{
let dict = (a: 1, "b b": 1)
dict.at("b b") += 1
dict.state = (ok: true, err: false)
test(dict, (a: 1, "b b": 2, state: (ok: true, err: false)))
test(dict.state.ok, true)
dict.at("state").ok = false
test(dict.state.ok, false)
test(dict.state.err, false)
}
--- dict-at-missing-key ---
// Test rvalue missing key.
#{
let dict = (a: 1, b: 2)
// Error: 11-23 dictionary does not contain key "c" and no default value was specified
let x = dict.at("c")
}
--- dict-at-default ---
// Test default value.
#test((a: 1, b: 2).at("b", default: 3), 2)
#test((a: 1, b: 2).at("c", default: 3), 3)
--- dict-insert ---
// Test insert.
#{
let dict = (a: 1, b: 2)
dict.insert("b", 3)
test(dict, (a: 1, b: 3))
dict.insert("c", 5)
test(dict, (a: 1, b: 3, c: 5))
}
--- dict-remove-with-default ---
// Test remove with default value.
#{
let dict = (a: 1, b: 2)
test(dict.remove("b", default: 3), 2)
}
#{
let dict = (a: 1, b: 2)
test(dict.remove("c", default: 3), 3)
}
--- dict-missing-lvalue ---
// Missing lvalue is not automatically none-initialized.
#{
let dict = (:)
// Error: 3-9 dictionary does not contain key "b"
// Hint: 3-9 use `insert` to add or update values
dict.b += 1
}
--- dict-basic-methods ---
// Test dictionary methods.
#let dict = (a: 3, c: 2, b: 1)
#test("c" in dict, true)
#test(dict.len(), 3)
#test(dict.values(), (3, 2, 1))
#test(dict.pairs().map(p => p.first() + str(p.last())).join(), "a3c2b1")
#dict.remove("c")
#test("c" in dict, false)
#test(dict, (a: 3, b: 1))
--- dict-from-module ---
// Test dictionary constructor
#dictionary(sys).at("version")
#dictionary(sys).at("no-crash", default: none)
--- dict-remove-order ---
// Test that removal keeps order.
#let dict = (a: 1, b: 2, c: 3, d: 4)
#dict.remove("b")
#test(dict.keys(), ("a", "c", "d"))
--- dict-temporary-lvalue ---
// Error: 3-15 cannot mutate a temporary value
#((key: "val").other = "some")
--- dict-function-item-not-a-method ---
#{
let dict = (
call-me: () => 1,
)
// Error: 8-15 type dictionary has no method `call-me`
// Hint: 8-15 to call the function stored in the dictionary, surround the field access with parentheses, e.g. `(dict.call-me)(..)`
dict.call-me()
}
--- dict-item-missing-method ---
#{
let dict = (
nonfunc: 1
)
// Error: 8-15 type dictionary has no method `nonfunc`
// Hint: 8-15 did you mean to access the field `nonfunc`?
dict.nonfunc()
}
--- dict-dynamic-uplicate-key ---
#let a = "hello"
#let b = "world"
#let c = "value"
#let d = "conflict"
#assert.eq(((a): b), ("hello": "world"))
#assert.eq(((a): 1, (a): 2), ("hello": 2))
#assert.eq((hello: 1, (a): 2), ("hello": 2))
#assert.eq((a + b: c, (a + b): d, (a): "value2", a: "value3"), ("helloworld": "conflict", "hello": "value2", "a": "value3"))
--- issue-1338-dictionary-underscore ---
#let foo = "foo"
#let bar = "bar"
// Error: 8-9 expected expression, found underscore
// Error: 16-17 expected expression, found underscore
#(foo: _, bar: _)
--- issue-1342-dictionary-bare-expressions ---
// Error: 5-8 expected named or keyed pair, found identifier
// Error: 10-13 expected named or keyed pair, found identifier
#(: foo, bar)
--- issue-3154-dict-at-not-contained ---
#{
let dict = (a: 1)
// Error: 3-15 dictionary does not contain key "b" and no default value was specified
dict.at("b")
}
--- issue-3154-dict-at-missing-default ---
#{
let dict = (a: 1)
test(dict.at("b", default: 0), 0)
}
--- issue-3154-dict-at-missing-mutable ---
#{
let dict = (a: 1)
// Error: 3-15 dictionary does not contain key "b"
// Hint: 3-15 use `insert` to add or update values
dict.at("b") = 9
}
--- issue-3154-dict-at-missing-mutable-default ---
#{
let dict = (a: 1)
// Error: 3-27 dictionary does not contain key "b"
// Hint: 3-27 use `insert` to add or update values
dict.at("b", default: 0) = 9
}
--- issue-3154-dict-syntax-missing ---
#{
let dict = (a: 1)
// Error: 8-9 dictionary does not contain key "b"
dict.b
}
--- issue-3154-dict-syntax-missing-mutable ---
#{
let dict = (a: 1)
dict.b = 9
test(dict, (a: 1, b: 9))
}
--- issue-3154-dict-syntax-missing-add-assign ---
#{
let dict = (a: 1)
// Error: 3-9 dictionary does not contain key "b"
// Hint: 3-9 use `insert` to add or update values
dict.b += 9
}
--- issue-3232-dict-unexpected-keys-sides ---
// Confusing "expected relative length or dictionary, found dictionary"
// Error: 16-58 unexpected keys "unexpected" and "unexpected-too"
#block(outset: (unexpected: 0.5em, unexpected-too: 0.2em), [Hi])
--- issue-3232-dict-unexpected-keys-corners ---
// Error: 14-56 unexpected keys "unexpected" and "unexpected-too"
#box(radius: (unexpected: 0.5em, unexpected-too: 0.5em), [Hi])
--- issue-3232-dict-unexpected-key-sides ---
// Error: 16-49 unexpected key "unexpected", valid keys are "left", "top", "right", "bottom", "x", "y", and "rest"
#block(outset: (unexpected: 0.2em, right: 0.5em), [Hi]) // The 1st key is unexpected
--- issue-3232-dict-unexpected-key-corners ---
// Error: 14-50 unexpected key "unexpected", valid keys are "top-left", "top-right", "bottom-right", "bottom-left", "left", "top", "right", "bottom", and "rest"
#box(radius: (top-left: 0.5em, unexpected: 0.5em), [Hi]) // The 2nd key is unexpected
--- issue-3232-dict-empty ---
#block(outset: (:), [Hi]) // Ok
#box(radius: (:), [Hi]) // Ok