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arrayview_test.mbt
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// Copyright 2025 International Digital Economy Academy
//
// 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.
///|
test "array_as_view" {
inspect!([1, 2, 3][:].length(), content="3")
}
///|
test "view_as_view" {
inspect!([1, 2, 3][:][:].length(), content="3")
}
///|
test "op_get" {
inspect!([1, 2, 3][:][1], content="2")
inspect!([1, 2, 3][:][2], content="3")
}
///|
test "op_set" {
let v = [1, 2, 3][:]
inspect!(v[1], content="2")
v[1] = 4
inspect!(v[1], content="4")
}
///|
test "swap" {
let v = [1, 2, 3][:]
inspect!(v[1], content="2")
v.swap(1, 2)
inspect!(v[1], content="3")
}
///|
test "negative index1" {
let arr = [1, 2, 3]
let view = arr[-1:]
inspect!(view, content="[3]")
let view = arr[-2:]
inspect!(view, content="[2, 3]")
let view = arr[-3:]
inspect!(view, content="[1, 2, 3]")
let view = arr[:-1]
inspect!(view, content="[1, 2]")
let view = arr[:-2]
inspect!(view, content="[1]")
let view = arr[:-3]
inspect!(view, content="[]")
let view = arr[-3:-3]
inspect!(view, content="[]")
let view = arr[-3:-2]
inspect!(view, content="[1]")
let view = arr[-3:-1]
inspect!(view, content="[1, 2]")
let view = arr[-3:0]
inspect!(view, content="[]")
let view = arr[-3:1]
inspect!(view, content="[1]")
let view = arr[-3:2]
inspect!(view, content="[1, 2]")
let view = arr[-3:3]
inspect!(view, content="[1, 2, 3]")
}
///|
test "negative index2" {
let arr = [0, 1, 2, 3, 4][1:4]
let view = arr[-1:]
inspect!(view, content="[3]")
let view = arr[-2:]
inspect!(view, content="[2, 3]")
let view = arr[-3:]
inspect!(view, content="[1, 2, 3]")
let view = arr[:-1]
inspect!(view, content="[1, 2]")
let view = arr[:-2]
inspect!(view, content="[1]")
let view = arr[:-3]
inspect!(view, content="[]")
let view = arr[-3:-3]
inspect!(view, content="[]")
let view = arr[-3:-2]
inspect!(view, content="[1]")
let view = arr[-3:-1]
inspect!(view, content="[1, 2]")
let view = arr[-3:0]
inspect!(view, content="[]")
let view = arr[-3:1]
inspect!(view, content="[1]")
let view = arr[-3:2]
inspect!(view, content="[1, 2]")
let view = arr[-3:3]
inspect!(view, content="[1, 2, 3]")
}
///|
test "panic negative index1" {
let arr = [1, 2, 3]
let _ = arr[-4:]
}
///|
test "panic negative index2" {
let arr = [1, 2, 3]
let _ = arr[:-4]
}
///|
test "panic negative index3" {
let arr = [1, 2, 3]
let _ = arr[-1:-2]
}
///|
test "panic negative index4" {
let arr = [1, 2, 3]
let _ = arr[-1:-3]
}
///|
test "panic negative index5" {
let arr = [1, 2, 3][:]
let _ = arr[-4:]
}
///|
test "panic negative index6" {
let arr = [1, 2, 3][:]
let _ = arr[:-4]
}
///|
test "panic negative index7" {
let arr = [1, 2, 3][:]
let _ = arr[-1:-2]
}
///|
test "panic negative index8" {
let arr = [1, 2, 3][:]
let _ = arr[-1:-3]
}