| Bram Moolenaar | 6e5ea8d | 2019-01-12 22:47:31 +0100 | [diff] [blame^] | 1 | " Tests for the Blob types |
| 2 | |
| 3 | func TearDown() |
| 4 | " Run garbage collection after every test |
| 5 | call test_garbagecollect_now() |
| 6 | endfunc |
| 7 | |
| 8 | " Tests for Blob type |
| 9 | |
| 10 | " Blob creation from constant |
| 11 | func Test_blob_create() |
| 12 | let b = 0zDEADBEEF |
| 13 | call assert_equal(v:t_blob, type(b)) |
| 14 | call assert_equal(4, len(b)) |
| 15 | call assert_equal(0xDE, b[0]) |
| 16 | call assert_equal(0xAD, b[1]) |
| 17 | call assert_equal(0xBE, b[2]) |
| 18 | call assert_equal(0xEF, b[3]) |
| 19 | call assert_fails('let x = b[4]') |
| 20 | |
| 21 | call assert_equal(0xDE, get(b, 0)) |
| 22 | call assert_equal(0xEF, get(b, 3)) |
| 23 | call assert_fails('let x = get(b, 4)') |
| 24 | endfunc |
| 25 | |
| 26 | " assignment to a blob |
| 27 | func Test_blob_assign() |
| 28 | let b = 0zDEADBEEF |
| 29 | let b2 = b[1:2] |
| 30 | call assert_equal(0zADBE, b2) |
| 31 | |
| 32 | let bcopy = b[:] |
| 33 | call assert_equal(b, bcopy) |
| 34 | call assert_false(b is bcopy) |
| 35 | endfunc |
| 36 | |
| 37 | func Test_blob_to_string() |
| 38 | let b = 0zDEADBEEF |
| 39 | call assert_equal('[0xDE,0xAD,0xBE,0xEF]', string(b)) |
| 40 | call remove(b, 0, 3) |
| 41 | call assert_equal('[]', string(b)) |
| 42 | endfunc |
| 43 | |
| 44 | func Test_blob_compare() |
| 45 | let b1 = 0z0011 |
| 46 | let b2 = 0z1100 |
| 47 | call assert_false(b1 == b2) |
| 48 | call assert_true(b1 != b2) |
| 49 | call assert_true(b1 == 0z0011) |
| 50 | |
| 51 | call assert_false(b1 is b2) |
| 52 | let b2 = b1 |
| 53 | call assert_true(b1 is b2) |
| 54 | |
| 55 | call assert_fails('let x = b1 > b2') |
| 56 | call assert_fails('let x = b1 < b2') |
| 57 | call assert_fails('let x = b1 - b2') |
| 58 | call assert_fails('let x = b1 / b2') |
| 59 | call assert_fails('let x = b1 * b2') |
| 60 | endfunc |
| 61 | |
| 62 | " test for range assign |
| 63 | func Test_blob_range_assign() |
| 64 | let b = 0z00 |
| 65 | let b[1] = 0x11 |
| 66 | let b[2] = 0x22 |
| 67 | call assert_equal(0z001122, b) |
| 68 | call assert_fails('let b[4] = 0x33') |
| 69 | endfunc |
| 70 | |
| 71 | func Test_blob_for_loop() |
| 72 | let blob = 0z00010203 |
| 73 | let i = 0 |
| 74 | for byte in blob |
| 75 | call assert_equal(i, byte) |
| 76 | let i += 1 |
| 77 | endfor |
| 78 | |
| 79 | let blob = 0z00 |
| 80 | call remove(blob, 0) |
| 81 | call assert_equal(0, len(blob)) |
| 82 | for byte in blob |
| 83 | call assert_error('loop over empty blob') |
| 84 | endfor |
| 85 | endfunc |
| 86 | |
| 87 | func Test_blob_concatenate() |
| 88 | let b = 0z0011 |
| 89 | let b += 0z2233 |
| 90 | call assert_equal(0z00112233, b) |
| 91 | |
| 92 | call assert_fails('let b += "a"') |
| 93 | call assert_fails('let b += 88') |
| 94 | |
| 95 | let b = 0zDEAD + 0zBEEF |
| 96 | call assert_equal(0zDEADBEEF, b) |
| 97 | endfunc |
| 98 | |
| 99 | " Test removing items in blob |
| 100 | func Test_blob_func_remove() |
| 101 | " Test removing 1 element |
| 102 | let b = 0zDEADBEEF |
| 103 | call assert_equal(0xDE, remove(b, 0)) |
| 104 | call assert_equal(0zADBEEF, b) |
| 105 | |
| 106 | let b = 0zDEADBEEF |
| 107 | call assert_equal(0xEF, remove(b, -1)) |
| 108 | call assert_equal(0zDEADBE, b) |
| 109 | |
| 110 | let b = 0zDEADBEEF |
| 111 | call assert_equal(0xAD, remove(b, 1)) |
| 112 | call assert_equal(0zDEBEEF, b) |
| 113 | |
| 114 | " Test removing range of element(s) |
| 115 | let b = 0zDEADBEEF |
| 116 | call assert_equal(0zBE, remove(b, 2, 2)) |
| 117 | call assert_equal(0zDEADEF, b) |
| 118 | |
| 119 | let b = 0zDEADBEEF |
| 120 | call assert_equal(0zADBE, remove(b, 1, 2)) |
| 121 | call assert_equal(0zDEEF, b) |
| 122 | |
| 123 | " Test invalid cases |
| 124 | let b = 0zDEADBEEF |
| 125 | call assert_fails("call remove(b, 5)", 'E979:') |
| 126 | call assert_fails("call remove(b, 1, 5)", 'E979:') |
| 127 | call assert_fails("call remove(b, 3, 2)", 'E979:') |
| 128 | call assert_fails("call remove(1, 0)", 'E712:') |
| 129 | call assert_fails("call remove(b, b)", 'E974:') |
| 130 | endfunc |
| 131 | |
| 132 | func Test_blob_read_write() |
| 133 | let b = 0zDEADBEEF |
| 134 | call writefile(b, 'Xblob') |
| 135 | let br = readfile('Xblob', 'B') |
| 136 | call assert_equal(b, br) |
| 137 | call delete('Xblob') |
| 138 | endfunc |
| 139 | |
| 140 | " filter() item in blob |
| 141 | func Test_blob_filter() |
| 142 | let b = 0zDEADBEEF |
| 143 | call filter(b, 'v:val != 0xEF') |
| 144 | call assert_equal(0zDEADBE, b) |
| 145 | endfunc |
| 146 | |
| 147 | " map() item in blob |
| 148 | func Test_blob_map() |
| 149 | let b = 0zDEADBEEF |
| 150 | call map(b, 'v:val + 1') |
| 151 | call assert_equal(0zDFAEBFF0, b) |
| 152 | endfunc |
| 153 | |
| 154 | func Test_blob_index() |
| 155 | call assert_equal(2, index(0zDEADBEEF, 0xBE)) |
| 156 | call assert_equal(-1, index(0zDEADBEEF, 0)) |
| 157 | endfunc |
| 158 | |
| 159 | func Test_blob_insert() |
| 160 | let b = 0zDEADBEEF |
| 161 | call insert(b, 0x33) |
| 162 | call assert_equal(0z33DEADBEEF, b) |
| 163 | |
| 164 | let b = 0zDEADBEEF |
| 165 | call insert(b, 0x33, 2) |
| 166 | call assert_equal(0zDEAD33BEEF, b) |
| 167 | endfunc |
| 168 | |
| 169 | func Test_blob_reverse() |
| 170 | call assert_equal(0zEFBEADDE, reverse(0zDEADBEEF)) |
| 171 | call assert_equal(0zBEADDE, reverse(0zDEADBE)) |
| 172 | call assert_equal(0zADDE, reverse(0zDEAD)) |
| 173 | call assert_equal(0zDE, reverse(0zDE)) |
| 174 | endfunc |
| 175 | |
| 176 | func Test_blob_json_encode() |
| 177 | call assert_equal('[222,173,190,239]', json_encode(0zDEADBEEF)) |
| 178 | call assert_equal('[]', json_encode(0z)) |
| 179 | endfunc |