mirror of
https://github.com/lihop/godot-xterm.git
synced 2024-11-12 21:50:26 +01:00
202 lines
4.7 KiB
GDScript3
202 lines
4.7 KiB
GDScript3
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# Copyright (c) 2016 The xterm.js authors. All rights reserved.
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# Ported to GDScript by the GodotXterm authors.
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# License MIT
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extends "res://addons/gut/test.gd"
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const CIRCULAR_LIST_PATH = "res://addons/godot_xterm/circular_list.gd"
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const CircularList = preload(CIRCULAR_LIST_PATH)
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var list
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func before_each():
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list = CircularList.new(5)
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func test_push():
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list.push("1")
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list.push("2")
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list.push("3")
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list.push("4")
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list.push("5")
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assert_eq(list.get_line(0), "1")
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assert_eq(list.get_line(1), "2")
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assert_eq(list.get_line(2), "3")
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assert_eq(list.get_line(3), "4")
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assert_eq(list.get_line(4), "5")
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func test_splice_deletes_items():
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list = CircularList.new(2)
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list.push("1")
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list.push("2")
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list.splice(0, 1)
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assert_eq(list.length, 1)
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assert_eq(list.get_el(0), "2")
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list.push("3")
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list.splice(1, 1)
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assert_eq(list.length, 1)
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assert_eq(list.get_el(0), "2")
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func test_splice_inserts_items():
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list = CircularList.new(2)
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list.push("1")
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list.splice(0, 0, ["2"])
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assert_eq(list.length, 2)
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assert_eq(list.get_el(0), "2")
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assert_eq(list.get_el(1), "1")
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list.splice(1, 0, ["3"])
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assert_eq(list.length, 2)
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assert_eq(list.get_el(0), "3")
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assert_eq(list.get_el(1), "1")
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func test_splice_deletes_items_then_inserts_items():
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list = CircularList.new(3)
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list.push("1")
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list.push("2")
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list.splice(0, 1, ["3", "4"])
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assert_eq(list.length, 3)
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assert_eq(list.get_el(0), "3")
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assert_eq(list.get_el(1), "4")
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assert_eq(list.get_el(2), "2")
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func test_splice_wraps_the_array_correctly_when_more_items_are_inserted_than_deleted():
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list = CircularList.new(3)
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list.push("1")
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list.push("2")
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list.splice(1, 0, ["3", "4"])
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assert_eq(list.length, 3)
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assert_eq(list.get_el(0), "3")
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assert_eq(list.get_el(1), "4")
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assert_eq(list.get_el(2), "2")
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class TestShiftElements:
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extends "res://addons/gut/test.gd"
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var list
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func before_each():
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list = CircularList.new(5)
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func test_does_not_mutate_the_list_when_count_is_0():
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list.push(1)
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list.push(2)
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list.shift_elements(0, 0, 1)
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assert_eq(list.length, 2)
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assert_eq(list.get_el(0), 1)
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assert_eq(list.get_el(1), 2)
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func test_pushes_errors_for_invalid_args():
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list = partial_double(CIRCULAR_LIST_PATH).new()
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list.max_length = 5
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list.push(1)
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list.shift_elements(-1, 1, 1)
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assert_called(list, "push_error", ["start argument out of range"])
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list.shift_elements(1, 1, 1)
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assert_called(list, "push_error", ["start argument out of range"])
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list.shift_elements(0, 1, -1)
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assert_called(list, "push_error", ["cannot shift elements in list beyond index 0"])
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func test_trim_start_removes_items_from_the_beginning_of_the_list():
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list.push("1")
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list.push("2")
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list.push("3")
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list.push("4")
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list.push("5")
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list.trim_start(1)
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assert_eq(list.length, 4)
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assert_eq(list.get_el(0), "2")
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assert_eq(list.get_el(1), "3")
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assert_eq(list.get_el(2), "4")
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assert_eq(list.get_el(3), "5")
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list.trim_start(2)
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assert_eq(list.length, 2)
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assert_eq(list.get_el(0), "4")
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assert_eq(list.get_el(1), "5")
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func test_trim_start_removes_all_items_if_the_requested_trim_amount_is_larger_than_the_lists_length():
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list.push("1")
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list.trim_start(2)
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assert_eq(list.length, 0)
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func test_shifts_an_element_forward():
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list.push(1)
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list.push(2)
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list.shift_elements(0, 1, 1)
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assert_eq(list.length, 2)
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assert_eq(list.get_el(0), 1)
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assert_eq(list.get_el(1), 1)
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func test_shifts_elements_forward():
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list.push(1)
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list.push(2)
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list.push(3)
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list.push(4)
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list.shift_elements(0, 2, 2)
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assert_eq(list.length, 4)
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assert_eq(list.get_el(0), 1)
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assert_eq(list.get_el(1), 2)
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assert_eq(list.get_el(2), 1)
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assert_eq(list.get_el(3), 2)
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func test_shifts_elements_forward_expanding_the_list_if_needed():
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list.push(1)
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list.push(2)
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list.shift_elements(0, 2, 2)
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assert_eq(list.length, 4)
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assert_eq(list.get_el(0), 1)
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assert_eq(list.get_el(1), 2)
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assert_eq(list.get_el(2), 1)
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assert_eq(list.get_el(3), 2)
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func test_shifts_elements_forward_wrapping_the_list_if_needed():
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list.push(1)
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list.push(2)
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list.push(3)
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list.push(4)
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list.push(5)
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list.shift_elements(2, 2, 3)
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assert_eq(list.length, 5)
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assert_eq(list.get_el(0), 3)
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assert_eq(list.get_el(1), 4)
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assert_eq(list.get_el(2), 5)
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assert_eq(list.get_el(3), 3)
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assert_eq(list.get_el(4), 4)
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func test_shifts_an_element_backwards():
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list.push(1)
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list.push(2)
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list.shift_elements(1, 1, -1)
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assert_eq(list.length, 2)
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assert_eq(list.get_el(0), 2)
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assert_eq(list.get_el(1), 2)
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func test_shiftS_elements_backwards():
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list.push(1)
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list.push(2)
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list.push(3)
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list.push(4)
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list.shift_elements(2, 2, -2)
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assert_eq(list.length, 4)
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assert_eq(list.get_el(0), 3)
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assert_eq(list.get_el(1), 4)
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assert_eq(list.get_el(2), 3)
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assert_eq(list.get_el(3), 4)
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