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

# Tests for azure.policy.fn.coalesce
builtin: azure.policy.fn.coalesce

cases:
  - note: coalesce_first_non_null
    args: [null, null, "hello"]
    want: "hello"

  - note: coalesce_first_is_value
    args: ["first", "second"]
    want: "first"

  - note: coalesce_all_null
    args: [null, null, null]
    want_null: true

  - note: coalesce_number
    args: [null, 42]
    want: 42

  - note: coalesce_false_is_not_null
    args: [null, false, "hello"]
    want: false

  - note: coalesce_zero_is_not_null
    args: [null, 0, "hello"]
    want: 0

  - note: coalesce_empty_string_is_not_null
    args: [null, "", "hello"]
    want: ""

  - note: coalesce_single_value
    args: [42]
    want: 42

  - note: coalesce_single_null
    args: [null]
    want_null: true