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spec/util_table_spec.lua @ 12942:54756e3a54b9
util.table: Expand table.move() tests (thanks mutation testing)
author | Matthew Wild <mwild1@gmail.com> |
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date | Fri, 17 Mar 2023 17:06:05 +0000 |
parent | 12404:082f38e9de64 |
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--- a/spec/util_table_spec.lua Thu Mar 16 13:52:22 2023 +0100 +++ b/spec/util_table_spec.lua Fri Mar 17 17:06:05 2023 +0000 @@ -22,6 +22,37 @@ u_table.move(t2, 1, 3, 3, t3); assert.same({ "apple", "banana", "cat", "donkey", "elephant" }, t3); end); + it("supports overlapping regions", function () + do + local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" }; + u_table.move(t1, 1, 3, 3); + assert.same({ "apple", "banana", "apple", "banana", "carrot", "fig", "grapefruit" }, t1); + end + + do + local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" }; + u_table.move(t1, 1, 3, 2); + assert.same({ "apple", "apple", "banana", "carrot", "endive", "fig", "grapefruit" }, t1); + end + + do + local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" }; + u_table.move(t1, 3, 5, 2); + assert.same({ "apple", "carrot", "date", "endive", "endive", "fig", "grapefruit" }, t1); + end + + do + local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" }; + u_table.move(t1, 3, 5, 6); + assert.same({ "apple", "banana", "carrot", "date", "endive", "carrot", "date", "endive" }, t1); + end + + do + local t1 = { "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" }; + u_table.move(t1, 3, 1, 3); + assert.same({ "apple", "banana", "carrot", "date", "endive", "fig", "grapefruit" }, t1); + end + end); end); end);