This test ensures WebKit lets user select bidirectional text intuitively. To manually test, select text in blue box in each test case below by a mouse drag from left to right. The changes in the selected text should match the expectations before |. Do the same by a mouse drag from right to left and expectations are after |.

Test "abcABC" in "abcABC":
Selecting from left to right
PASS selected "a"
PASS selected "ab"
PASS selected "abc"
PASS selected "abcAB"
FAIL selected "abc" but expected "abcA"
FAIL selected "abcAB" but expected "abcABC"
FAIL selected "abcA" but expected "undefined"
FAIL selected "abcAB" but expected "undefined"
FAIL selected "abcA" but expected "undefined"
FAIL selected "abcABC" but expected "undefined"
Selecting from right to left
PASS selected "A"
PASS selected "AB"
FAIL selected "A" but expected "ABC"
FAIL selected "AB" but expected "cABC"
FAIL selected "ABC" but expected "bcABC"
FAIL selected "AB" but expected "abcABC"
FAIL selected "ABC" but expected "undefined"
FAIL selected "cABC" but expected "undefined"
FAIL selected "bcABC" but expected "undefined"
FAIL selected "abcABC" but expected "undefined"

Test "ABCdef" in "ABCdef":
Selecting from left to right
PASS selected "C"
FAIL selected "" but expected "BC"
FAIL selected "C" but expected "ABC"
FAIL selected "BC" but expected "ABCd"
FAIL selected "C" but expected "ABCef"
FAIL selected "BC" but expected "ABCdef"
FAIL selected "ABC" but expected "undefined"
FAIL selected "ABCd" but expected "undefined"
FAIL selected "ABCde" but expected "undefined"
FAIL selected "ABCdef" but expected "undefined"
Selecting from right to left
PASS selected "f"
PASS selected "ef"
PASS selected "def"
PASS selected "BCdef"
PASS selected "Cdef"
FAIL selected "BCdef" but expected "ABCdef"
FAIL selected "Cdef" but expected "undefined"
FAIL selected "ABCdef" but expected "undefined"
FAIL selected "Cdef" but expected "undefined"
FAIL selected "ABCdef" but expected "undefined"

Test "ABC" in "abcABCdef":
Selecting from left to right
PASS selected "C"
FAIL selected "" but expected "BC"
FAIL selected "C" but expected "ABC"
FAIL selected "BC" but expected "undefined"
FAIL selected "C" but expected "undefined"
FAIL selected "BC" but expected "undefined"
FAIL selected "ABC" but expected "undefined"
Selecting from right to left
PASS selected "A"
PASS selected "AB"
FAIL selected "A" but expected "ABC"
FAIL selected "AB" but expected "undefined"
FAIL selected "ABC" but expected "undefined"
FAIL selected "AB" but expected "undefined"
FAIL selected "ABC" but expected "undefined"

Test "ABC" in "ABCdef":
Selecting from left to right
PASS selected "C"
PASS selected "BC"
PASS selected "ABC"
Selecting from right to left
PASS selected "A"
PASS selected "AB"
PASS selected "ABC"

Test "ef" in "ABCdef":
Selecting from left to right
PASS selected "e"
PASS selected "ef"
Selecting from right to left
PASS selected "f"
PASS selected "ef"

Test "AB" in "abcABC":
Selecting from left to right
PASS selected "B"
FAIL selected "" but expected "AB"
FAIL selected "B" but expected "undefined"
FAIL selected "AB" but expected "undefined"
Selecting from right to left
PASS selected "A"
PASS selected "AB"
FAIL selected "A" but expected "undefined"
FAIL selected "AB" but expected "undefined"

Test "12" in "aXM12JNd":
Selecting from left to right
PASS selected "1"
PASS selected "12"
Selecting from right to left
PASS selected "2"
PASS selected "12"

Test "ABC 123" in "ABC 123":
Selecting from left to right
PASS selected "1"
PASS selected "12"
PASS selected "123"
PASS selected " 123"
PASS selected "C 123"
PASS selected "BC 123"
PASS selected "ABC 123"
Selecting from right to left
PASS selected "A"
PASS selected "AB"
PASS selected "ABC"
PASS selected "ABC "
PASS selected "ABC 12"
PASS selected "ABC 1"
PASS selected "ABC 123"

Test "ABC 123" in "ABC 123":
Selecting from left to right
PASS selected "1"
PASS selected "12"
FAIL selected "123" but expected " 123"
FAIL selected " " but expected "C 123"
FAIL selected "123" but expected "BC 123"
FAIL selected " " but expected "ABC 123"
FAIL selected "C " but expected "undefined"
FAIL selected " " but expected "undefined"
FAIL selected "C " but expected "undefined"
FAIL selected "BC " but expected "undefined"
FAIL selected "C " but expected "undefined"
FAIL selected "BC " but expected "undefined"
FAIL selected "123" but expected "undefined"
Selecting from right to left
PASS selected "A"
PASS selected "AB"
FAIL selected "A" but expected "ABC"
FAIL selected "AB" but expected "ABC "
FAIL selected "ABC" but expected "ABC 12"
FAIL selected "AB" but expected "ABC 1"
FAIL selected "ABC" but expected "ABC 123"
FAIL selected "" but expected "undefined"
FAIL selected "ABC" but expected "undefined"
FAIL selected "" but expected "undefined"
FAIL selected "ABC 12" but expected "undefined"
FAIL selected "ABC 1" but expected "undefined"
FAIL selected "123" but expected "undefined"

Test "ABC" in "aABCb":
Selecting from left to right
PASS selected "C"
FAIL selected "" but expected "BC"
FAIL selected "C" but expected "ABC"
FAIL selected "BC" but expected "undefined"
FAIL selected "C" but expected "undefined"
FAIL selected "BC" but expected "undefined"
FAIL selected "ABC" but expected "undefined"
Selecting from right to left
PASS selected "A"
PASS selected "AB"
FAIL selected "A" but expected "ABC"
FAIL selected "AB" but expected "undefined"
FAIL selected "ABC" but expected "undefined"
FAIL selected "AB" but expected "undefined"
FAIL selected "ABC" but expected "undefined"

Test "ABC" in "ABC":
Selecting from left to right
PASS selected "C"
FAIL selected "" but expected "BC"
FAIL selected "C" but expected "ABC"
FAIL selected "BC" but expected "undefined"
FAIL selected "C" but expected "undefined"
FAIL selected "BC" but expected "undefined"
FAIL selected "ABC" but expected "undefined"
Selecting from right to left
PASS selected "A"
PASS selected "AB"
FAIL selected "A" but expected "ABC"
FAIL selected "AB" but expected "undefined"
FAIL selected "ABC" but expected "undefined"
FAIL selected "AB" but expected "undefined"
FAIL selected "ABC" but expected "undefined"

PASS successfullyParsed is true

TEST COMPLETE