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- #!/usr/bin/ruby
- # Tests for sets
- var engineers = Set('John', 'Jane', 'Jack', 'Janice') #=> Set("Janice", "Jack", "John", "Jane")
- var programmers = Set('Jack', 'Sam', 'Susan', 'Janice') #=> Set("Janice", "Jack", "Susan", "Sam")
- var managers = Set('Jane', 'Jack', 'Susan', 'Zack') #=> Set("Jack", "Zack", "Susan", "Jane")
- var employees = (engineers | programmers | managers) #=> Set("Jane", "Jack", "Zack", "Susan", "John", "Sam", "Janice")
- assert_eq(employees.sort, ["Jack", "Jane", "Janice", "John", "Sam", "Susan", "Zack"])
- var engineering_management = (engineers & managers) #=> Set("Jane", "Jack")
- assert_eq(engineering_management.sort, ["Jack", "Jane"])
- var fulltime_management = (managers - engineers - programmers) #=> Set("Zack")
- assert_eq(fulltime_management.sort, ["Zack"])
- assert_eq(fulltime_management, Set("Zack"))
- assert_ne(fulltime_management, Set("Foo"))
- engineers.add('Marvin') # add "Marvin" to the engineers set
- assert_eq(engineers.len, 5)
- assert_eq(engineers.sort, ["Jack", "Jane", "Janice", "John", "Marvin"])
- assert(!employees.is_superset(engineers), "employees is not a superset of engineers")
- employees |= engineers
- assert(employees.is_superset(engineers), "employees is not a superset of engineers")
- assert_eq(employees, Set("Jack", "Jane", "Janice", "John", "Marvin", "Sam", "Susan", "Zack"))
- var tests = [
- ["Jack", "Jane", "Janice", "John", "Marvin"],
- ["Jack", "Janice", "Sam"],
- ["Jack", "Jane", "Zack"],
- ["Jack", "Jane", "Janice", "John", "Marvin", "Sam", "Zack"]
- ]
- for group in [engineers, programmers, managers, employees] {
- group.discard("Susan")
- say group
- assert_eq(group.sort, tests.shift)
- }
- var a = Set()
- for x in (Set("a", "a", "b", "c", 42)) {
- a.add(x)
- }
- assert_eq(a, Set(42, "a", "b", "c"))
- assert_eq(a, Set("a", "b", "c", 42))
- assert_eq(a.clone, a)
- assert_eq(a.dclone, a)
- assert_eq(Set(42, 99, 12, 17).map {|n| n+1 }, Set(43, 100, 13, 18))
- assert_eq(Set(42, 99, 12, 17).map {|n| n+1 }.sort, [13, 18, 43, 100])
- assert_eq(Set(42, 99, 13, 20).grep{.is_even}, Set(42, 20))
- assert_eq(Set(42, 99, 13, 20).grep{.is_even}.sort, [20, 42])
- assert_eq(Set(12, 3, 4, 2, 4).to_bag, Bag(2, 3, 4, 12))
- assert_eq(Set(12, 3, 4, 2, 4).to_bag.to_set, Set(2, 3, 4, 12))
- assert_eq(Set(12, 3, 4, 2, 4).to_bag.to_set.sort, [2, 3, 4, 12])
- assert_eq(Set(1, 2, 3, 4).map { (_, _**2) }, Set(1, 2, 3, 4, 9, 16))
- do {
- var a = Set("John", "Serena", "Bob", "Mary", "Serena")
- var b = Set("Jim", "Mary", "John", "Jim", "Bob")
- assert_eq(a ^ b, Set("Serena", "Jim"))
- assert_eq(a ^ b, Set("Jim", "Serena"))
- assert_eq((a ^ b).sort, ["Jim", "Serena"])
- }
- assert(Set(3,4) ≡ Set(3,4))
- assert(Set(3,3,4) ≡ Set(4,3))
- assert(Set(3,3,4) ≡ Set(4,3,4,4,3,3,3))
- assert(!(Set(3,4) ≡ Set(4,3,5)))
- assert(!(Set(3,4) ≡ Set(4,3,5)))
- assert(!(Set(3,4) ≡ Set(2,3)))
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