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348 lines
9.3 KiB
C
348 lines
9.3 KiB
C
#include <criterion/criterion.h>
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#include "apple2.dd.h"
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#include "apple2.enc.h"
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static apple2dd *drive;
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static void
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setup()
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{
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drive = apple2_dd_create();
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}
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static void
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teardown()
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{
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apple2_dd_free(drive);
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}
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TestSuite(apple2_dd, .init = setup, .fini = teardown);
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Test(apple2_dd, create)
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{
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cr_assert_eq(drive->data, NULL);
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cr_assert_eq(drive->image, NULL);
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cr_assert_eq(drive->image_type, DD_NOTYPE);
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cr_assert_eq(drive->track_pos, 0);
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cr_assert_eq(drive->sector_pos, 0);
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cr_assert_eq(drive->online, false);
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cr_assert_eq(drive->write_protect, true);
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cr_assert_eq(drive->mode, DD_READ);
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}
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/* Test(apple2_dd, free) */
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Test(apple2_dd, insert)
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{
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FILE *stream;
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// In a successful drive open, we would also reset the track and
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// sector pos.
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drive->track_pos = 123;
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drive->sector_pos = 33;
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stream = fopen("../data/zero.img", "r");
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cr_assert_eq(apple2_dd_insert(drive, stream, DD_DOS33), OK);
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cr_assert_eq(drive->track_pos, 0);
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cr_assert_eq(drive->sector_pos, 0);
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cr_assert_eq(drive->image_type, DD_DOS33);
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fclose(stream);
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stream = fopen("../data/bad.img", "r");
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cr_assert_eq(apple2_dd_insert(drive, stream, DD_DOS33), ERR_BADFILE);
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fclose(stream);
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}
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Test(apple2_dd, position)
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{
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// Without any data, the drive should return a null position
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// regardless of track position
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drive->track_pos = 3;
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drive->sector_pos = 44;
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cr_assert_eq(apple2_dd_position(drive), 0);
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// FIXME: we need some dummy data for the drive...
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}
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Test(apple2_dd, read)
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{
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drive->data = vm_segment_create(_140K_);
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drive->image = drive->data; // image doesn't matter here
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vm_segment_set(drive->data, 0, 123);
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vm_segment_set(drive->data, 1, 234);
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cr_assert_eq(apple2_dd_read(drive), 123);
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cr_assert_eq(drive->track_pos, 0);
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cr_assert_eq(drive->sector_pos, 1);
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cr_assert_eq(apple2_dd_read(drive), 234);
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cr_assert_eq(drive->track_pos, 0);
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cr_assert_eq(drive->sector_pos, 2);
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}
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Test(apple2_dd, eject)
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{
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drive->image = vm_segment_create(1000);
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drive->data = vm_segment_create(1000);
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drive->image_type = DD_NIBBLE;
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drive->stream = NULL;
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apple2_dd_eject(drive);
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cr_assert_eq(drive->data, NULL);
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}
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Test(apple2_dd, set_mode)
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{
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apple2_dd_set_mode(drive, DD_WRITE);
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cr_assert_eq(drive->mode, DD_WRITE);
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apple2_dd_set_mode(drive, DD_READ);
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cr_assert_eq(drive->mode, DD_READ);
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// let's try shenanigans
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apple2_dd_set_mode(drive, 111111111);
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cr_assert_eq(drive->mode, DD_READ);
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}
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Test(apple2_dd, shift)
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{
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apple2_dd_shift(drive, 5);
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cr_assert_eq(drive->sector_pos, 5);
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// Push it beyond the sector boundary; see if the track position
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// updates as it should.
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apple2_dd_shift(drive, ENC_ETRACK + 3);
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cr_assert_eq(drive->track_pos, 0);
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// this should be the mod of sector_pos and MAX_SECTOR_POS
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cr_assert_eq(drive->sector_pos, 0);
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}
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Test(apple2_dd, step)
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{
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// Does step work at all?
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apple2_dd_step(drive, 5);
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cr_assert_eq(drive->track_pos, 5);
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apple2_dd_step(drive, 3);
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cr_assert_eq(drive->track_pos, 8);
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apple2_dd_step(drive, -2);
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cr_assert_eq(drive->track_pos, 6);
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// Do we handle going over the maximum track position properly?
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apple2_dd_step(drive, 100);
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cr_assert_eq(drive->track_pos, MAX_DRIVE_STEPS);
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// Do we handle going to the 0 track properly if we get a radically
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// high number of negative track shifts?
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apple2_dd_step(drive, -1000);
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cr_assert_eq(drive->track_pos, 0);
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}
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Test(apple2_dd, turn_on)
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{
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apple2_dd_turn_on(drive, true);
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cr_assert(drive->online);
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apple2_dd_turn_on(drive, false);
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cr_assert(!drive->online);
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// I mean, ok
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apple2_dd_turn_on(drive, 1111333);
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cr_assert(drive->online);
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}
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Test(apple2_dd, write)
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{
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drive->data = vm_segment_create(_140K_);
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drive->image = drive->data; // image doesn't matter
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drive->latch = 129;
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apple2_dd_write(drive);
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cr_assert_eq(vm_segment_get(drive->data, 0), 129);
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cr_assert_eq(drive->track_pos, 0);
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cr_assert_eq(drive->sector_pos, 1);
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drive->latch = 234;
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apple2_dd_write(drive);
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cr_assert_eq(vm_segment_get(drive->data, 1), 234);
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cr_assert_eq(drive->track_pos, 0);
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cr_assert_eq(drive->sector_pos, 2);
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}
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Test(apple2_dd, write_protect)
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{
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apple2_dd_write_protect(drive, true);
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cr_assert(drive->write_protect);
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apple2_dd_write_protect(drive, false);
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cr_assert(!drive->write_protect);
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apple2_dd_write_protect(drive, 2222);
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cr_assert(drive->write_protect);
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}
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Test(apple2_dd, encode)
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{
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// Mostly we want to test if this handles the image types correct.
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// The encode function won't actually try to encode anything if the
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// image segment is NULL.
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drive->image_type = DD_NIBBLE; cr_assert_eq(apple2_dd_encode(drive), OK);
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drive->image_type = DD_DOS33; cr_assert_eq(apple2_dd_encode(drive), OK);
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drive->image_type = DD_PRODOS; cr_assert_eq(apple2_dd_encode(drive), OK);
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drive->image_type = -1; cr_assert_neq(apple2_dd_encode(drive), OK);
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}
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Test(apple2_dd, decode)
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{
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// Same drill as for the encode test
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drive->image_type = DD_NIBBLE; cr_assert_eq(apple2_dd_encode(drive), OK);
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drive->image_type = DD_DOS33; cr_assert_eq(apple2_dd_encode(drive), OK);
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drive->image_type = DD_PRODOS; cr_assert_eq(apple2_dd_encode(drive), OK);
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drive->image_type = -1; cr_assert_neq(apple2_dd_encode(drive), OK);
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}
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// Skipping this test because most everything it does is already tested
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// in some other capacity
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/* Test(apple2_dd, save) */
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Test(apple2_dd, phaser)
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{
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// The drive must be online for any change to matter
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drive->online = true;
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// Test going backwards
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drive->track_pos = 3;
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drive->phase_state = 1;
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drive->last_phase = 2;
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apple2_dd_phaser(drive);
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cr_assert_eq(drive->track_pos, 2);
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cr_assert_eq(drive->last_phase, 1);
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// Forwards
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drive->phase_state = 2;
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drive->track_pos = 5;
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drive->last_phase = 1;
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apple2_dd_phaser(drive);
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cr_assert_eq(drive->track_pos, 6);
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cr_assert_eq(drive->last_phase, 2);
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drive->phase_state = 4;
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apple2_dd_phaser(drive);
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cr_assert_eq(drive->track_pos, 7);
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cr_assert_eq(drive->last_phase, 4);
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}
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Test(apple2_dd, switch_phase)
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{
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apple2_dd_switch_phase(drive, 0x1);
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cr_assert_eq(drive->phase_state, 0x1);
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apple2_dd_switch_phase(drive, 0x0);
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cr_assert_eq(drive->phase_state, 0x0);
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apple2_dd_switch_phase(drive, 0x3);
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cr_assert_eq(drive->phase_state, 0x2);
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apple2_dd_switch_phase(drive, 0x2);
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cr_assert_eq(drive->phase_state, 0x0);
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apple2_dd_switch_phase(drive, 0x5);
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cr_assert_eq(drive->phase_state, 0x4);
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apple2_dd_switch_phase(drive, 0x4);
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cr_assert_eq(drive->phase_state, 0x0);
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apple2_dd_switch_phase(drive, 0x7);
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cr_assert_eq(drive->phase_state, 0x8);
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apple2_dd_switch_phase(drive, 0x6);
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cr_assert_eq(drive->phase_state, 0x0);
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}
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Test(apple2_dd, switch_drive)
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{
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apple2 *mach = apple2_create(100, 100);
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apple2_dd_switch_drive(mach, 0xB);
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cr_assert_eq(mach->selected_drive, mach->drive2);
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apple2_dd_switch_drive(mach, 0xA);
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cr_assert_eq(mach->selected_drive, mach->drive1);
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apple2_dd_switch_drive(mach, 0x8);
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cr_assert_eq(mach->drive1->online, false);
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cr_assert_eq(mach->drive2->online, false);
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apple2_dd_switch_drive(mach, 0x9);
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cr_assert_eq(mach->drive1->online, true);
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cr_assert_eq(mach->drive2->online, false);
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apple2_dd_switch_drive(mach, 0xE);
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cr_assert_eq(mach->selected_drive->mode, DD_READ);
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apple2_dd_switch_drive(mach, 0xF);
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cr_assert_eq(mach->selected_drive->mode, DD_WRITE);
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apple2_free(mach);
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}
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Test(apple2_dd, switch_latch)
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{
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drive->latch = 0;
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drive->mode = DD_READ;
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apple2_dd_switch_latch(drive, 3);
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cr_assert_eq(drive->latch, 0);
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drive->mode = DD_WRITE;
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apple2_dd_switch_latch(drive, 5);
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cr_assert_eq(drive->latch, 5);
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}
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Test(apple2_dd, switch_rw)
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{
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drive->data = vm_segment_create(_140K_);
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drive->image = drive->data; // image doesn't matter
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vm_segment_set(drive->data, 0, 123);
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vm_segment_set(drive->data, 1, 234);
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drive->mode = DD_READ;
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cr_assert_eq(apple2_dd_switch_rw(drive), 123);
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drive->mode = DD_WRITE;
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drive->write_protect = true;
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cr_assert_eq(apple2_dd_switch_rw(drive), 234);
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drive->write_protect = false;
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drive->latch = 191;
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cr_assert_eq(apple2_dd_switch_rw(drive), 0);
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cr_assert_eq(vm_segment_get(drive->data, drive->sector_pos - 1), 191);
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}
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// Ignoring these right now, as they are calling the other switch_*
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// functions that we do have tests for
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/* Test(apple2_dd, switch_read) */
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/* Test(apple2_dd, switch_write) */
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Test(apple2_dd, map)
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{
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vm_segment *seg = vm_segment_create(MOS6502_MEMSIZE);
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size_t addr;
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apple2_dd_map(seg);
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for (addr = 0xC0E0; addr < 0xC100; addr++) {
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cr_assert_eq(seg->read_table[addr], apple2_dd_switch_read);
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cr_assert_eq(seg->write_table[addr], apple2_dd_switch_write);
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}
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vm_segment_free(seg);
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}
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Test(apple2_dd, sector_num)
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{
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static const int dos33[] = {
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0x0, 0x7, 0xe, 0x6, 0xd, 0x5, 0xc, 0x4,
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0xb, 0x3, 0xa, 0x2, 0x9, 0x1, 0x8, 0xf,
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};
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static const int prodos[] = {
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0x0, 0x8, 0x1, 0x9, 0x2, 0xa, 0x3, 0xb,
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0x4, 0xc, 0x5, 0xd, 0x6, 0xe, 0x7, 0xf,
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};
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for (int i = 0; i < 16; i++) {
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cr_assert_eq(apple2_dd_sector_num(DD_DOS33, i), dos33[i]);
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}
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}
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