add tests for 'dge' motion

This commit is contained in:
2025-10-15 14:46:09 +01:00
parent 60b6cc6d6d
commit 4c8f588ce9

View File

@@ -2490,6 +2490,206 @@ struct
end)
]
val dgEDelete = describe "delete motion 'dgE'"
[ test "does not delete when cursor is at start of file" (fn _ =>
let
(* arrange *)
val originalString = "hello\n"
val app = TestUtils.init originalString
val app = AppWith.idx (app, 0)
(* act *)
val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "dgE")
(* assert *)
val actualString = LineGap.toString buffer
val expectedString = originalString
val expectedCursorIdx = 0
in
Expect.isTrue
(actualString = expectedString andalso cursorIdx = expectedCursorIdx)
end)
, test "deletes as expected when on second word and there are three words"
(fn _ =>
let
(* arrange *)
val originalString = "hello wor!d again\n"
val app = TestUtils.init originalString
(* all the different positions the cursor can be
* on the second word *)
val app1 = AppWith.idx (app, 6)
val app2 = AppWith.idx (app, 7)
val app3 = AppWith.idx (app, 8)
val app4 = AppWith.idx (app, 9)
val app5 = AppWith.idx (app, 10)
(* act *)
val newApp1 = TestUtils.updateMany (app1, "dgE")
val newApp2 = TestUtils.updateMany (app2, "dgE")
val newApp3 = TestUtils.updateMany (app3, "dgE")
val newApp4 = TestUtils.updateMany (app4, "dgE")
val newApp5 = TestUtils.updateMany (app5, "dgE")
(* assert *)
val expectedString1 = "hellor!d again\n"
val expectedString2 = "hellr!d again\n"
val expectedString3 = "hell!d again\n"
val expectedString4 = "helld again\n"
val expectedString5 = "hell again\n"
val actualString1 = LineGap.toString (#buffer newApp1)
val actualString2 = LineGap.toString (#buffer newApp2)
val actualString3 = LineGap.toString (#buffer newApp3)
val actualString4 = LineGap.toString (#buffer newApp4)
val actualString5 = LineGap.toString (#buffer newApp5)
val stringsAreExpected =
expectedString1 = actualString1
andalso expectedString2 = actualString2
andalso expectedString3 = actualString3
andalso expectedString4 = actualString4
andalso expectedString5 = actualString5
val expectedCursor1 = 4
val expectedCursor2 = 4
val expectedCursor3 = 4
val expectedCursor4 = 4
val expectedCursor5 = 4
val actualCursor1 = #cursorIdx newApp1
val actualCursor2 = #cursorIdx newApp2
val actualCursor3 = #cursorIdx newApp3
val actualCursor4 = #cursorIdx newApp4
val actualCursor5 = #cursorIdx newApp5
val cursorsAreExpected =
expectedCursor1 = actualCursor1
andalso expectedCursor2 = actualCursor2
andalso expectedCursor3 = actualCursor3
andalso expectedCursor4 = actualCursor4
andalso expectedCursor5 = actualCursor5
in
Expect.isTrue (stringsAreExpected andalso cursorsAreExpected)
end)
, test
"deletes all characters in word \
\when on last character of last word in buffer"
(fn _ =>
let
(* arrange *)
val originalString = "hello wor!d\n"
val app = TestUtils.init originalString
val app = AppWith.idx (app, String.size originalString - 2)
(* act *)
val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "dgE")
(* assert *)
val actualString = LineGap.toString buffer
val expectedString = "hell\n"
val expectedCursorIdx = String.size expectedString - 2
in
Expect.isTrue
(actualString = expectedString
andalso cursorIdx = expectedCursorIdx)
end)
, test "deletes past newline when on first word after newline" (fn _ =>
let
(* arrange *)
val originalString = "hello\n#orld\nagain\n"
val app = TestUtils.init originalString
val app = AppWith.idx (app, 6)
(* act *)
val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "dgE")
(* assert *)
val expectedString = "hellorld\nagain\n"
val expectedCursor = 4
val actualString = LineGap.toString buffer
val stringIsExpected = expectedString = actualString
val cursorIsExpected = expectedCursor = cursorIdx
in
Expect.isTrue (stringIsExpected andalso cursorIsExpected)
end)
, test
"deletes past punctuation \
\when cursor is on alpha char preceded by punctuation"
(fn _ =>
let
(* arrange *)
val originalString = "hello!world!again\n"
val app = TestUtils.init originalString
val app = AppWith.idx (app, 5)
(* act *)
val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "dgE")
(* assert *)
val expectedString = "world!again\n"
val expectedCursor = 0
val actualString = LineGap.toString buffer
val stringIsExpected = expectedString = actualString
val cursorIsExpected = expectedCursor = cursorIdx
in
Expect.isTrue (stringIsExpected andalso cursorIsExpected)
end)
, test
"deletes all punctuation char until beginning of string \
\when on alpha char in first WORD, preceded by punctuation"
(fn _ =>
let
(* arrange *)
val originalString = "!#%&(hello\n"
val app = TestUtils.init originalString
val app = AppWith.idx (app, 7)
(* act *)
val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "dgE")
(* assert *)
val expectedString = "lo\n"
val expectedCursor = 0
val actualString = LineGap.toString buffer
val stringIsExpected = expectedString = actualString
val cursorIsExpected = expectedCursor = cursorIdx
in
Expect.isTrue (stringIsExpected andalso cursorIsExpected)
end)
, test
"deletes spaces until reaching non-space char, \
\when cursor is on space and is preceded by more spaces"
(fn _ =>
let
(* arrange *)
val originalString = "hello again\n"
val app = TestUtils.init originalString
val app = AppWith.idx (app, 13)
(* act *)
val {buffer, cursorIdx, ...} = TestUtils.updateMany (app, "dgE")
(* assert *)
val expectedString = "hell again\n"
val expectedCursor = 4
val actualString = LineGap.toString buffer
val stringIsExpected = expectedString = actualString
val cursorIsExpected = expectedCursor = cursorIdx
in
Expect.isTrue (stringIsExpected andalso cursorIsExpected)
end)
]
val tests =
[ dhDelete
, dlDelete
@@ -2503,5 +2703,6 @@ struct
, dbDelete
, dBDelete
, dgeDelete
, dgEDelete
]
end