about summary refs log tree commit diff stats
path: root/baremetal/504test-screen.mu
blob: b70b11c76286d8344f6124fe973be90f28f96246 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
# Some primitives for checking the state of fake screen objects.

# validate data on screen regardless of attributes (color, bold, etc.)
# Mu doesn't have multi-line strings, so we provide functions for rows or portions of rows.
# Tab characters (that translate into multiple screen cells) not supported.

fn check-screen-row screen: (addr screen), y: int, expected: (addr array byte), msg: (addr array byte) {
  check-screen-row-from screen, 0/x, y, expected, msg
}

fn check-screen-row-from screen-on-stack: (addr screen), x: int, y: int, expected: (addr array byte), msg: (addr array byte) {
  var screen/esi: (addr screen) <- copy screen-on-stack
  var idx/ecx: int <- screen-cell-index screen, x, y
  # compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme
  var e: (stream byte 0x100)
  var e-addr/edx: (addr stream byte) <- address e
  write e-addr, expected
  {
    var done?/eax: boolean <- stream-empty? e-addr
    compare done?, 0
    break-if-!=
    var _g/eax: grapheme <- screen-grapheme-at-idx screen, idx
    var g/ebx: grapheme <- copy _g
    var expected-grapheme/eax: grapheme <- read-grapheme e-addr
    # compare graphemes
    $check-screen-row-from:compare-graphemes: {
      # if expected-grapheme is space, null grapheme is also ok
      {
        compare expected-grapheme, 0x20
        break-if-!=
        compare g, 0
        break-if-= $check-screen-row-from:compare-graphemes
      }
      # if (g == expected-grapheme) print "."
      compare g, expected-grapheme
      {
        break-if-!=
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
        break $check-screen-row-from:compare-graphemes
      }
      # otherwise print an error
      count-test-failure
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
      draw-grapheme-at-cursor 0/screen, expected-grapheme, 3/cyan, 0/bg
      move-cursor-rightward-and-downward 0/screen, 0/xmin, 0x80/xmax=screen-width
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
      draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
      draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg/cyan, 0/bg
      draw-grapheme-at-cursor 0/screen, g, 3/cyan, 0/bg
      move-cursor-rightward-and-downward 0/screen, 0/xmin, 0x80/xmax=screen-width
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg/cyan, 0/bg
    }
    idx <- increment
    increment x
    loop
  }
}

# various variants by screen-cell attribute; spaces in the 'expected' data should not match the attribute

fn check-screen-row-in-color screen: (addr screen), fg: int, y: int, expected: (addr array byte), msg: (addr array byte) {
  check-screen-row-in-color-from screen, fg, y, 0/x, expected, msg
}

fn check-screen-row-in-color-from screen-on-stack: (addr screen), fg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) {
  var screen/esi: (addr screen) <- copy screen-on-stack
  var idx/ecx: int <- screen-cell-index screen, x, y
  # compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme
  var e: (stream byte 0x100)
  var e-addr/edx: (addr stream byte) <- address e
  write e-addr, expected
  {
    var done?/eax: boolean <- stream-empty? e-addr
    compare done?, 0
    break-if-!=
    var _g/eax: grapheme <- screen-grapheme-at-idx screen, idx
    var g/ebx: grapheme <- copy _g
    var _expected-grapheme/eax: grapheme <- read-grapheme e-addr
    var expected-grapheme/edi: grapheme <- copy _expected-grapheme
    $check-screen-row-in-color-from:compare-cells: {
      # if expected-grapheme is space, null grapheme is also ok
      {
        compare expected-grapheme, 0x20
        break-if-!=
        compare g, 0
        break-if-= $check-screen-row-in-color-from:compare-cells
      }
      # if expected-grapheme is space, a different color is ok
      {
        compare expected-grapheme, 0x20
        break-if-!=
        var color/eax: int <- screen-color-at-idx screen, idx
        compare color, fg
        break-if-!= $check-screen-row-in-color-from:compare-cells
      }
      # compare graphemes
      $check-screen-row-in-color-from:compare-graphemes: {
        # if (g == expected-grapheme) print "."
        compare g, expected-grapheme
        {
          break-if-!=
          draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
          break $check-screen-row-in-color-from:compare-graphemes
        }
        # otherwise print an error
        count-test-failure
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
        draw-grapheme-at-cursor 0/screen, expected-grapheme, 3/cyan, 0/bg
        move-cursor-rightward-and-downward 0/screen, 0/xmin, 0x80/xmax=screen-width
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg/cyan, 0/bg
        draw-grapheme-at-cursor 0/screen, g, 3/cyan, 0/bg
        move-cursor-rightward-and-downward 0/screen, 0/xmin, 0x80/xmax=screen-width
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg/cyan, 0/bg
      }
      $check-screen-row-in-color-from:compare-colors: {
        var color/eax: int <- screen-color-at-idx screen, idx
        compare fg, color
        {
          break-if-!=
          draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
          break $check-screen-row-in-color-from:compare-colors
        }
        # otherwise print an error
        count-test-failure
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
        draw-grapheme-at-cursor 0/screen, expected-grapheme, 3/cyan, 0/bg
        move-cursor-rightward-and-downward 0/screen, 0/xmin, 0x80/xmax=screen-width
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in color ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, fg, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed color ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, color, 3/fg/cyan, 0/bg
      }
    }
    idx <- increment
    increment x
    loop
  }
}

fn check-screen-row-in-background-color screen: (addr screen), bg: int, y: int, expected: (addr array byte), msg: (addr array byte) {
  check-screen-row-in-background-color-from screen, bg, y, 0/x, expected, msg
}

fn check-screen-row-in-background-color-from screen-on-stack: (addr screen), bg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) {
  var screen/esi: (addr screen) <- copy screen-on-stack
  var idx/ecx: int <- screen-cell-index screen, x, y
  # compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme
  var e: (stream byte 0x100)
  var e-addr/edx: (addr stream byte) <- address e
  write e-addr, expected
  {
    var done?/eax: boolean <- stream-empty? e-addr
    compare done?, 0
    break-if-!=
    var _g/eax: grapheme <- screen-grapheme-at-idx screen, idx
    var g/ebx: grapheme <- copy _g
    var _expected-grapheme/eax: grapheme <- read-grapheme e-addr
    var expected-grapheme/edi: grapheme <- copy _expected-grapheme
    $check-screen-row-in-background-color-from:compare-cells: {
      # if expected-grapheme is space, null grapheme is also ok
      {
        compare expected-grapheme, 0x20
        break-if-!=
        compare g, 0
        break-if-= $check-screen-row-in-background-color-from:compare-cells
      }
      # if expected-grapheme is space, a different background-color is ok
      {
        compare expected-grapheme, 0x20
        break-if-!=
        var background-color/eax: int <- screen-background-color-at-idx screen, idx
        compare background-color, bg
        break-if-!= $check-screen-row-in-background-color-from:compare-cells
      }
      # compare graphemes
      $check-screen-row-in-background-color-from:compare-graphemes: {
        # if (g == expected-grapheme) print "."
        compare g, expected-grapheme
        {
          break-if-!=
          draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
          break $check-screen-row-in-background-color-from:compare-graphemes
        }
        # otherwise print an error
        count-test-failure
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
        draw-grapheme-at-cursor 0/screen, expected-grapheme, 3/cyan, 0/bg
        move-cursor-rightward-and-downward 0/screen, 0/xmin, 0x80/xmax=screen-width
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg/cyan, 0/bg
        draw-grapheme-at-cursor 0/screen, g, 3/cyan, 0/bg
        move-cursor-rightward-and-downward 0/screen, 0/xmin, 0x80/xmax=screen-width
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg/cyan, 0/bg
      }
      $check-screen-row-in-background-color-from:compare-background-colors: {
        var background-color/eax: int <- screen-background-color-at-idx screen, idx
        compare bg, background-color
        {
          break-if-!=
          draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg/cyan, 0/bg
          break $check-screen-row-in-background-color-from:compare-background-colors
        }
        # otherwise print an error
        count-test-failure
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg/cyan, 0/bg
        draw-grapheme-at-cursor 0/screen, expected-grapheme, 3/cyan, 0/bg
        move-cursor-rightward-and-downward 0/screen, 0/xmin, 0x80/xmax=screen-width
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in background-color ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed background-color ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, background-color, 3/fg/cyan, 0/bg
      }
    }
    idx <- increment
    increment x
    loop
  }
}

# helpers for checking just background color, not screen contents
# these can validate bg for spaces

fn check-background-color-in-screen-row screen: (addr screen), bg: int, y: int, expected-bitmap: (addr array byte), msg: (addr array byte) {
  check-background-color-in-screen-row-from screen, bg, y, 0/x, expected-bitmap, msg
}

fn check-background-color-in-screen-row-from screen-on-stack: (addr screen), bg: int, y: int, x: int, expected-bitmap: (addr array byte), msg: (addr array byte) {
  var screen/esi: (addr screen) <- copy screen-on-stack
  var idx/ecx: int <- screen-cell-index screen, x, y
  # compare background color where 'expected-bitmap' is a non-space
  var e: (stream byte 0x100)
  var e-addr/edx: (addr stream byte) <- address e
  write e-addr, expected-bitmap
  {
    var done?/eax: boolean <- stream-empty? e-addr
    compare done?, 0
    break-if-!=
    var _expected-bit/eax: grapheme <- read-grapheme e-addr
    var expected-bit/edi: grapheme <- copy _expected-bit
    $check-background-color-in-screen-row-from:compare-cells: {
      var background-color/eax: int <- screen-background-color-at-idx screen, idx
      # if expected-bit is space, assert that background is NOT bg
      compare expected-bit, 0x20
      {
        break-if-!=
        compare background-color, bg
        break-if-!= $check-background-color-in-screen-row-from:compare-cells
        count-test-failure
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected (", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
        draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") to not be in background-color ", 3/fg/cyan, 0/bg
        draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg/cyan, 0/bg
        break $check-background-color-in-screen-row-from:compare-cells
      }
      # otherwise assert that background IS bg
      compare background-color, bg
      break-if-= $check-background-color-in-screen-row-from:compare-cells
      count-test-failure
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg/cyan, 0/bg
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected (", 3/fg/cyan, 0/bg
      draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg/cyan, 0/bg
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg/cyan, 0/bg
      draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg/cyan, 0/bg
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in background-color ", 3/fg/cyan, 0/bg
      draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg/cyan, 0/bg
      draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed background-color ", 3/fg/cyan, 0/bg
      draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, background-color, 3/fg/cyan, 0/bg
    }
    idx <- increment
    increment x
    loop
  }
}

fn test-draw-single-grapheme {
  var screen-on-stack: screen
  var screen/esi: (addr screen) <- address screen-on-stack
  initialize-screen screen, 5, 4
  draw-code-point screen, 0x61/a, 0/x, 0/y, 1/fg, 2/bg
  check-screen-row screen, 0/y, "a", "F - test-draw-single-grapheme"  # top-left corner of the screen
  check-screen-row-in-color screen, 1/fg, 0/y, "a", "F - test-draw-single-grapheme-fg"
  check-screen-row-in-background-color screen, 2/bg, 0/y, "a", "F - test-draw-single-grapheme-bg"
  check-background-color-in-screen-row screen, 2/bg, 0/y, "x ", "F - test-draw-single-grapheme-bg2"
}

fn test-draw-multiple-graphemes {
  var screen-on-stack: screen
  var screen/esi: (addr screen) <- address screen-on-stack
  initialize-screen screen, 0x10/rows, 4/cols
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen screen, "Hello, 世界", 1/fg, 2/bg
  check-screen-row screen, 0/y, "Hello, 世界", "F - test-draw-multiple-graphemes"
  check-screen-row-in-color screen, 1/fg, 0/y, "Hello, 世界", "F - test-draw-multiple-graphemes-fg"
  check-background-color-in-screen-row screen, 2/bg, 0/y, "xxxxxxxxx ", "F - test-draw-multiple-graphemes-bg2"
}