/* -----------------------------------------------------------------------------
Copyright 2020 Kevin P. Barry

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
----------------------------------------------------------------------------- */

// Author: Kevin P. Barry [ta0kira@gmail.com]

testcase "category infix" {
  success
}

unittest test {
  Int value <- 1 `Test:add` 2
  if (value != 3) {
    fail(value)
  }
}

concrete Test {
  @category add (Int,Int) -> (Int)
}

define Test {
  add (x,y) {
    return x + y
  }
}


testcase "type infix" {
  success
}

unittest test {
  Int value <- 1 `Test.add` 2
  if (value != 3) {
    fail(value)
  }
}

concrete Test {
  @type add (Int,Int) -> (Int)
}

define Test {
  add (x,y) {
    return x + y
  }
}


testcase "value infix" {
  success
}

unittest test {
  Int value <- 1 `Arithmetic.create().add` 2
  if (value != 3) {
    fail(value)
  }
}

concrete Arithmetic {
  @type create () -> (Arithmetic)
  @value add (Int,Int) -> (Int)
}

define Arithmetic {
  create () {
    return Arithmetic{ }
  }

  add (x,y) {
    return x + y
  }
}


testcase "unqualified infix" {
  success
}

unittest test {
  \ Test.run()
}

define Test {
  @type add (Int,Int) -> (Int)
  add (x,y) {
    return x + y
  }

  run () {
    Int value <- 1 `add` 2
    if (value != 3) {
      fail(value)
    }
  }
}

concrete Test {
  @type run () -> ()
}


testcase "infix function comes after arithmetic" {
  success
}

unittest test {
  Int value <- 1 `Test:add` 2 * 3
  if (value != 7) {
    fail(value)
  }
}

concrete Test {
  @category add (Int,Int) -> (Int)
}

define Test {
  add (x,y) {
    return x + y
  }
}


testcase "infix function comes before comparison" {
  success
}

unittest test {
  Bool value <- 1 `Test:add` 2 < 4
  if (value != true) {
    fail(value)
  }
}

concrete Test {
  @category add (Int,Int) -> (Int)
}

define Test {
  add (x,y) {
    return x + y
  }
}


testcase "infix function associativity" {
  success
}

unittest test {
  \ Test.check()
}

concrete Test {
  @type check () -> ()
}

define Test {
  check () {
    \ Testing.checkEquals<?>(1 `one` 2 `two` 4,5)
  }

  @type one (Int,Int) -> (Int)
  one (x,y) {
    \ Testing.checkEquals<?>(x,1)
    \ Testing.checkEquals<?>(y,2)
    return 3
  }

  @type two (Int,Int) -> (Int)
  two (x,y) {
    \ Testing.checkEquals<?>(x,3)
    \ Testing.checkEquals<?>(y,4)
    return 5
  }
}