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| 1 | +// prims.c: tests for primitives |
| 2 | + |
| 3 | +#include "../src/minim.h" |
| 4 | + |
| 5 | +int return_code, passed; |
| 6 | + |
| 7 | +#define log_test(name, t) { \ |
| 8 | + if (t() == 1) { \ |
| 9 | + printf("[ \033[32mPASS\033[0m ] %s\n", name); \ |
| 10 | + } else { \ |
| 11 | + return_code = 1; \ |
| 12 | + printf("[ \033[31mFAIL\033[0m ] %s\n", name); \ |
| 13 | + } \ |
| 14 | +} |
| 15 | + |
| 16 | +#define log_failed_case(s, expect, actual) { \ |
| 17 | + printf(" %s => expected: %s, actual: %s\n", s, expect, actual); \ |
| 18 | +} |
| 19 | + |
| 20 | +char *write_debug(obj o) { |
| 21 | + FILE *stream; |
| 22 | + char *buffer; |
| 23 | + size_t len, read; |
| 24 | + |
| 25 | + stream = tmpfile(); |
| 26 | + write_obj(stream, o); |
| 27 | + len = ftell(stream); |
| 28 | + fseek(stream, 0, SEEK_SET); |
| 29 | + |
| 30 | + buffer = GC_malloc_atomic((len + 1) * sizeof(char)); |
| 31 | + read = fread(buffer, 1, len, stream); |
| 32 | + buffer[len] = '\0'; |
| 33 | + if (read != len) { |
| 34 | + fprintf(stderr, "read error occured"); |
| 35 | + exit(1); |
| 36 | + } |
| 37 | + |
| 38 | + fclose(stream); |
| 39 | + return buffer; |
| 40 | +} |
| 41 | + |
| 42 | +void check_equal(const char *input, const char *expect) { |
| 43 | + obj p, e, tc, x; |
| 44 | + char *str; |
| 45 | + |
| 46 | + p = Minput_string_port(Mstring(input)); |
| 47 | + e = read_object(p); |
| 48 | + |
| 49 | + tc = Mcurr_tc(); |
| 50 | + Mtc_env(tc) = prim_env(empty_env()); |
| 51 | + x = eval_expr(e); |
| 52 | + |
| 53 | + str = write_debug(x); |
| 54 | + if (strcmp(str, expect) != 0) { |
| 55 | + log_failed_case(input, expect, str); |
| 56 | + passed = 0; |
| 57 | + } |
| 58 | +} |
| 59 | + |
| 60 | +int test_callwv(void) { |
| 61 | + passed = 1; |
| 62 | + |
| 63 | + check_equal("(call-with-values (lambda () (values)) (lambda xs xs))", "()"); |
| 64 | + check_equal("(call-with-values (lambda () (values 1)) (lambda xs xs))", "(1)"); |
| 65 | + check_equal("(call-with-values (lambda () (values 1 2 3)) (lambda xs xs))", "(1 2 3)"); |
| 66 | + check_equal("(call-with-values (lambda () (values 1 2)) fx2+)", "3"); |
| 67 | + |
| 68 | + return passed; |
| 69 | +} |
| 70 | + |
| 71 | + |
| 72 | +int test_callcc(void) { |
| 73 | + passed = 1; |
| 74 | + |
| 75 | + check_equal("(call/cc (lambda (k) 1))", "1"); |
| 76 | + check_equal("(call/cc (lambda (k) (k 1) 2))", "1"); |
| 77 | + check_equal("(let ([x #f]) (cons 1 (call/cc (lambda (k) (set! x k) 2))))", "(1 . 2)"); |
| 78 | + |
| 79 | + // from ChezScheme documentation |
| 80 | + check_equal("(call/cc (lambda (k) (fx2* 5 (k 4))))", "4"); |
| 81 | + check_equal("(fx2+ 2 (call/cc (lambda (k) (fx2* 5 (k 4)))))", "6"); |
| 82 | + check_equal("(letrec ([product " |
| 83 | + "(lambda (xs) " |
| 84 | + "(call/cc " |
| 85 | + "(lambda (break) " |
| 86 | + "(if (null? xs) " |
| 87 | + "1 " |
| 88 | + "(if (fx2= (car xs) 0) " |
| 89 | + "(break 0) " |
| 90 | + "(fx2* (car xs) (product (cdr xs))))))))]) " |
| 91 | + "(product '(7 3 8 0 1 9 5)))", |
| 92 | + "0"); |
| 93 | + check_equal("(let ([x (call/cc (lambda (k) k))]) " |
| 94 | + "(x (lambda (ignore) \"hi\")))", |
| 95 | + "\"hi\""); |
| 96 | + |
| 97 | + check_equal("(letrec ([k* #f] " |
| 98 | + "[y (fx1+ (call/cc (lambda (k) (set! k* k) 0)))]) " |
| 99 | + "(if (fx2< y 5) " |
| 100 | + "(k* y) " |
| 101 | + "y))", |
| 102 | + "5"); |
| 103 | + |
| 104 | + return passed; |
| 105 | +} |
| 106 | + |
| 107 | +int test_dynamic_wind(void) { |
| 108 | + passed = 1; |
| 109 | + |
| 110 | + check_equal("(dynamic-wind (lambda () 1) (lambda () 2) (lambda () 3))", "2"); |
| 111 | + check_equal("(dynamic-wind (lambda () (values)) (lambda () 1) (lambda () (values 1 2)))", "1"); |
| 112 | + |
| 113 | + check_equal( |
| 114 | + "(let ((path '()) (c #f)) " |
| 115 | + "(let ((add (lambda (s) " |
| 116 | + "(set! path (cons s path))))) " |
| 117 | + "(dynamic-wind " |
| 118 | + "(lambda () (add 'connect)) " |
| 119 | + "(lambda () " |
| 120 | + "(add (call/cc " |
| 121 | + "(lambda (c0) " |
| 122 | + "(set! c c0) " |
| 123 | + "'talk1)))) " |
| 124 | + "(lambda () (add 'disconnect))) " |
| 125 | + "(if (fx2< (length path) 4) " |
| 126 | + "(c 'talk2) " |
| 127 | + "(reverse path))))", |
| 128 | + "(disconnect talk2 connect disconnect talk1 connect)" |
| 129 | + ); |
| 130 | + |
| 131 | + return passed; |
| 132 | +} |
| 133 | + |
| 134 | + |
| 135 | +int main(int argc, char **argv) { |
| 136 | + GC_init(); |
| 137 | + minim_init(); |
| 138 | + |
| 139 | + return_code = 0; |
| 140 | + |
| 141 | + log_test("call-with-values", test_callwv); |
| 142 | + log_test("call/cc", test_callcc); |
| 143 | + log_test("dynamic-wind", test_dynamic_wind); |
| 144 | + |
| 145 | + minim_shutdown(return_code); |
| 146 | +} |
| 147 | + |
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