# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

cases:
  - note: all
    data: {}
    modules:
      - |
        package test

        # Arrays
        a1 = concat(", ", ["Hello", "world"])
        a2 = concat("", ["Hello", "world"]) # empty delimiter
        a3 = concat(",", []) # empty array
        a4 = concat("", []) # empty array and delimiter

        # Sets
        s1 = concat(", ", {"world", "Hello"})
        s2 = concat("", {"world", "Hello"}) # empty delimiter
        s3 = concat(",", set()) # empty set
        s4 = concat("", set()) # empty set and delimiter

    query: data.test
    want_result:
      a1: "Hello, world"
      a2: "Helloworld"
      a3: ""
      a4: ""
      s1: "Hello, world"
      s2: "Helloworld"
      s3: ""
      s4: ""

  - note: undefined-delimiter
    data: {}
    modules:
      - |
        package test
        x { false }
        y = concat(x, [])
    query: data.test
    want_result: {}

  - note: undefined-collection
    data: {}
    modules:
      - |
        package test
        x { false }
        y = concat(",", x)
    query: data.test
    want_result: {}

  - note: invalid-null-delimiter
    data: {}
    modules: ["package test\nx=concat(null, [])"]
    query: data.test
    error: "`concat` expects string argument."

  - note: invalid-bool-delimiter
    data: {}
    modules: ["package test\nx=concat(true, [])"]
    query: data.test
    error: "`concat` expects string argument."

  - note: invalid-number-delimiter
    data: {}
    modules: ["package test\nx=concat(1, [])"]
    query: data.test
    error: "`concat` expects string argument."

  - note: invalid-array-delimiter
    data: {}
    modules: ["package test\nx=concat([], [])"]
    query: data.test
    error: "`concat` expects string argument."

  - note: invalid-set-delimiter
    data: {}
    modules: ["package test\nx=concat(set(), [])"]
    query: data.test
    error: "`concat` expects string argument."

  - note: invalid-object-delimiter
    data: {}
    modules: ["package test\nx=concat({}, [])"]
    query: data.test
    error: "`concat` expects string argument."


  - note: invalid-null-collection
    data: {}
    modules: ["package test\nx=concat(\"\", null)"]
    query: data.test
    error: "`concat` expects array/set of strings."

  - note: invalid-bool-collection
    data: {}
    modules: ["package test\nx=concat(\"\", true)"]
    query: data.test
    error: "`concat` expects array/set of strings."

  - note: invalid-number-collection
    data: {}
    modules: ["package test\nx=concat(\"\", 1)"]
    query: data.test
    error: "`concat` expects array/set of strings."

  - note: invalid-string-collection
    data: {}
    modules: ["package test\nx=concat(\"\", \"\")"]
    query: data.test
    error: "`concat` expects array/set of strings."

  - note: invalid-object-collection
    data: {}
    modules: ["package test\nx=concat(\"\", {})"]
    query: data.test
    error: "`concat` expects array/set of strings."