| /* $Id$ |
| * |
| * Copyright (C) 2001 Peter Johnson |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifdef HAVE_CONFIG_H |
| # include "config.h" |
| #endif |
| |
| #ifdef STDC_HEADERS |
| # include <stdlib.h> |
| # include <string.h> |
| #endif |
| |
| #include <stdio.h> |
| |
| #include "check.h" |
| |
| #include "libyasm/floatnum.c" |
| |
| /* constants describing parameters of internal floating point format. |
| * (these should match those in src/floatnum.c !) |
| */ |
| #define MANT_BITS 80 |
| #define MANT_BYTES 10 |
| |
| typedef struct Init_Entry_s { |
| /* input ASCII value */ |
| const char *ascii; |
| |
| /* correct output from ASCII conversion */ |
| unsigned char mantissa[MANT_BYTES]; /* little endian mantissa - first |
| byte is not checked for |
| correctness. */ |
| unsigned short exponent; /* bias 32767 exponent */ |
| unsigned char sign; |
| unsigned char flags; |
| |
| /* correct output conversions - these should be *exact* matches */ |
| int ret32; |
| unsigned char result32[4]; |
| int ret64; |
| unsigned char result64[8]; |
| int ret80; |
| unsigned char result80[10]; |
| } Init_Entry; |
| |
| /* Values used for normalized tests */ |
| static Init_Entry normalized_vals[] = { |
| { "3.141592653589793", |
| {0xc6,0x0d,0xe9,0xbd,0x68,0x21,0xa2,0xda,0x0f,0xc9},0x8000,0,0, |
| 0, {0xdb,0x0f,0x49,0x40}, |
| 0, {0x18,0x2d,0x44,0x54,0xfb,0x21,0x09,0x40}, |
| 0, {0xe9,0xbd,0x68,0x21,0xa2,0xda,0x0f,0xc9,0x00,0x40} |
| }, |
| { "-3.141592653589793", |
| {0xc6,0x0d,0xe9,0xbd,0x68,0x21,0xa2,0xda,0x0f,0xc9},0x8000,1,0, |
| 0, {0xdb,0x0f,0x49,0xc0}, |
| 0, {0x18,0x2d,0x44,0x54,0xfb,0x21,0x09,0xc0}, |
| 0, {0xe9,0xbd,0x68,0x21,0xa2,0xda,0x0f,0xc9,0x00,0xc0} |
| }, |
| { "1.e16", |
| {0x00,0x00,0x00,0x00,0x00,0x04,0xbf,0xc9,0x1b,0x8e},0x8034,0,0, |
| 0, {0xca,0x1b,0x0e,0x5a}, |
| 0, {0x00,0x80,0xe0,0x37,0x79,0xc3,0x41,0x43}, |
| 0, {0x00,0x00,0x00,0x04,0xbf,0xc9,0x1b,0x8e,0x34,0x40} |
| }, |
| { "1.6e-20", |
| {0xf6,0xd3,0xee,0x7b,0xda,0x74,0x50,0xa0,0x1d,0x97},0x7fbd,0,0, |
| 0, {0xa0,0x1d,0x97,0x1e}, |
| 0, {0x4f,0x9b,0x0e,0x0a,0xb4,0xe3,0xd2,0x3b}, |
| 0, {0xef,0x7b,0xda,0x74,0x50,0xa0,0x1d,0x97,0xbd,0x3f} |
| }, |
| { "-5876.", |
| {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xa0,0xb7},0x800b,1,0, |
| 0, {0x00,0xa0,0xb7,0xc5}, |
| 0, {0x00,0x00,0x00,0x00,0x00,0xf4,0xb6,0xc0}, |
| 0, {0x00,0x00,0x00,0x00,0x00,0x00,0xa0,0xb7,0x0b,0xc0} |
| }, |
| }; |
| |
| /* Still normalized values, but edge cases of various sizes, testing underflow/ |
| * overflow checks as well. |
| */ |
| static Init_Entry normalized_edgecase_vals[] = { |
| /* 32-bit edges */ |
| { "1.1754943508222875e-38", |
| {0xd5,0xf2,0x82,0xff,0xff,0xff,0xff,0xff,0xff,0xff},0x7f80,0,0, |
| 0, {0x00,0x00,0x80,0x00}, |
| 0, {0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x38}, |
| 0, {0x83,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x80,0x3f} |
| }, |
| { "3.4028234663852886e+38", |
| {0x21,0x35,0x0a,0x00,0x00,0x00,0x00,0xff,0xff,0xff},0x807e,0,0, |
| 0, {0xff,0xff,0x7f,0x7f}, |
| 0, {0x00,0x00,0x00,0xe0,0xff,0xff,0xef,0x47}, |
| 0, {0x0a,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0x7e,0x40} |
| }, |
| /* 64-bit edges */ |
| { "2.2250738585072014E-308", |
| {0x26,0x18,0x46,0x00,0x00,0x00,0x00,0x00,0x00,0x80},0x7c01,0,0, |
| -1, {0x00,0x00,0x00,0x00}, |
| 0, {0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00}, |
| 0, {0x46,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x01,0x3c} |
| }, |
| { "1.7976931348623157E+308", |
| {0x26,0x6b,0xac,0xf7,0xff,0xff,0xff,0xff,0xff,0xff},0x83fe,0,0, |
| 1, {0x00,0x00,0x80,0x7f}, |
| 0, {0xff,0xff,0xff,0xff,0xff,0xff,0xef,0x7f}, |
| 0, {0xac,0xf7,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0x43} |
| }, |
| /* 80-bit edges */ |
| /* { "3.3621E-4932", |
| {},,0,0, |
| -1, {0x00,0x00,0x00,0x00}, |
| -1, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, |
| 0, {} |
| }, |
| { "1.1897E+4932", |
| {},,0,0, |
| 1, {0x00,0x00,0x80,0x7f}, |
| 1, {}, |
| 0, {} |
| },*/ |
| /* internal format edges */ |
| /* { |
| }, |
| { |
| },*/ |
| }; |
| |
| static yasm_floatnum *flt; |
| |
| /* failure messages */ |
| static char ret_msg[1024], result_msg[1024]; |
| |
| static void |
| new_setup(Init_Entry *vals, int i) |
| { |
| flt = yasm_floatnum_create(vals[i].ascii); |
| strcpy(result_msg, vals[i].ascii); |
| strcat(result_msg, ": incorrect "); |
| } |
| |
| static int |
| new_check_flt(Init_Entry *val) |
| { |
| unsigned char *mantissa; |
| int i, result = 0; |
| unsigned int len; |
| |
| mantissa = BitVector_Block_Read(flt->mantissa, &len); |
| for (i=1;i<MANT_BYTES;i++) /* don't compare first byte */ |
| if (mantissa[i] != val->mantissa[i]) |
| result = 1; |
| free(mantissa); |
| if (result) { |
| strcat(result_msg, "mantissa"); |
| return 1; |
| } |
| |
| if (flt->exponent != val->exponent) { |
| strcat(result_msg, "exponent"); |
| return 1; |
| } |
| if (flt->sign != val->sign) { |
| strcat(result_msg, "sign"); |
| return 1; |
| } |
| if (flt->flags != val->flags) { |
| strcat(result_msg, "flags"); |
| return 1; |
| } |
| return 0; |
| } |
| |
| START_TEST(test_new_normalized) |
| { |
| Init_Entry *vals = normalized_vals; |
| int i, num = sizeof(normalized_vals)/sizeof(Init_Entry); |
| |
| for (i=0; i<num; i++) { |
| new_setup(vals, i); |
| fail_unless(new_check_flt(&vals[i]) == 0, result_msg); |
| yasm_floatnum_destroy(flt); |
| } |
| } |
| END_TEST |
| |
| START_TEST(test_new_normalized_edgecase) |
| { |
| Init_Entry *vals = normalized_edgecase_vals; |
| int i, num = sizeof(normalized_edgecase_vals)/sizeof(Init_Entry); |
| |
| for (i=0; i<num; i++) { |
| new_setup(vals, i); |
| fail_unless(new_check_flt(&vals[i]) == 0, result_msg); |
| yasm_floatnum_destroy(flt); |
| } |
| } |
| END_TEST |
| |
| static void |
| get_family_setup(void) |
| { |
| flt = malloc(sizeof(yasm_floatnum)); |
| flt->mantissa = BitVector_Create(MANT_BITS, TRUE); |
| } |
| |
| static void |
| get_family_teardown(void) |
| { |
| BitVector_Destroy(flt->mantissa); |
| free(flt); |
| } |
| |
| static void |
| get_common_setup(Init_Entry *vals, int i) |
| { |
| /* set up flt */ |
| BitVector_Block_Store(flt->mantissa, vals[i].mantissa, MANT_BYTES); |
| flt->sign = vals[i].sign; |
| flt->exponent = vals[i].exponent; |
| flt->flags = vals[i].flags; |
| |
| /* set failure messages */ |
| strcpy(ret_msg, vals[i].ascii); |
| strcat(ret_msg, ": incorrect return value"); |
| strcpy(result_msg, vals[i].ascii); |
| strcat(result_msg, ": incorrect result generated"); |
| } |
| #if 0 |
| static void |
| append_get_return_value(int val) |
| { |
| char str[64]; |
| sprintf(str, ": %d", val); |
| strcat(ret_msg, str); |
| } |
| #endif |
| static int |
| get_common_check_result(int len, const unsigned char *val, |
| const unsigned char *correct) |
| { |
| char str[64]; |
| int i; |
| int result = 0; |
| |
| for (i=0;i<len;i++) |
| if (val[i] != correct[i]) |
| result = 1; |
| |
| if (result) { |
| for (i=0; i<len; i++) |
| sprintf(str+3*i, "%02x ", val[i]); |
| strcat(result_msg, ": "); |
| strcat(result_msg, str); |
| } |
| |
| return result; |
| } |
| |
| /* |
| * get_single tests |
| */ |
| |
| START_TEST(test_get_single_normalized) |
| { |
| unsigned char outval[4]; |
| Init_Entry *vals = normalized_vals; |
| int i, num = sizeof(normalized_vals)/sizeof(Init_Entry); |
| |
| for (i=0; i<num; i++) { |
| get_common_setup(vals, i); |
| fail_unless(yasm_floatnum_get_sized(flt, outval, 4, 32, 0, 0, 0, 0) == |
| vals[i].ret32, ret_msg); |
| fail_unless(get_common_check_result(4, outval, vals[i].result32) == 0, |
| result_msg); |
| } |
| } |
| END_TEST |
| |
| START_TEST(test_get_single_normalized_edgecase) |
| { |
| unsigned char outval[4]; |
| Init_Entry *vals = normalized_edgecase_vals; |
| int i, num = sizeof(normalized_edgecase_vals)/sizeof(Init_Entry); |
| |
| for (i=0; i<num; i++) { |
| get_common_setup(vals, i); |
| fail_unless(yasm_floatnum_get_sized(flt, outval, 4, 32, 0, 0, 0, 0) == |
| vals[i].ret32, ret_msg); |
| fail_unless(get_common_check_result(4, outval, vals[i].result32) == 0, |
| result_msg); |
| } |
| } |
| END_TEST |
| |
| /* |
| * get_double tests |
| */ |
| |
| START_TEST(test_get_double_normalized) |
| { |
| unsigned char outval[8]; |
| Init_Entry *vals = normalized_vals; |
| int i, num = sizeof(normalized_vals)/sizeof(Init_Entry); |
| |
| for (i=0; i<num; i++) { |
| get_common_setup(vals, i); |
| fail_unless(yasm_floatnum_get_sized(flt, outval, 8, 64, 0, 0, 0, 0) == |
| vals[i].ret64, ret_msg); |
| fail_unless(get_common_check_result(8, outval, vals[i].result64) == 0, |
| result_msg); |
| } |
| } |
| END_TEST |
| |
| START_TEST(test_get_double_normalized_edgecase) |
| { |
| unsigned char outval[8]; |
| Init_Entry *vals = normalized_edgecase_vals; |
| int i, num = sizeof(normalized_edgecase_vals)/sizeof(Init_Entry); |
| |
| for (i=0; i<num; i++) { |
| get_common_setup(vals, i); |
| fail_unless(yasm_floatnum_get_sized(flt, outval, 8, 64, 0, 0, 0, 0) == |
| vals[i].ret64, ret_msg); |
| fail_unless(get_common_check_result(8, outval, vals[i].result64) == 0, |
| result_msg); |
| } |
| } |
| END_TEST |
| |
| /* |
| * get_extended tests |
| */ |
| |
| START_TEST(test_get_extended_normalized) |
| { |
| unsigned char outval[10]; |
| Init_Entry *vals = normalized_vals; |
| int i, num = sizeof(normalized_vals)/sizeof(Init_Entry); |
| |
| for (i=0; i<num; i++) { |
| get_common_setup(vals, i); |
| fail_unless(yasm_floatnum_get_sized(flt, outval, 10, 80, 0, 0, 0, 0) == |
| vals[i].ret80, ret_msg); |
| fail_unless(get_common_check_result(10, outval, vals[i].result80) == 0, |
| result_msg); |
| } |
| } |
| END_TEST |
| |
| START_TEST(test_get_extended_normalized_edgecase) |
| { |
| unsigned char outval[10]; |
| Init_Entry *vals = normalized_edgecase_vals; |
| int i, num = sizeof(normalized_edgecase_vals)/sizeof(Init_Entry); |
| |
| for (i=0; i<num; i++) { |
| get_common_setup(vals, i); |
| fail_unless(yasm_floatnum_get_sized(flt, outval, 10, 80, 0, 0, 0, 0) == |
| vals[i].ret80, ret_msg); |
| fail_unless(get_common_check_result(10, outval, vals[i].result80) == 0, |
| result_msg); |
| } |
| } |
| END_TEST |
| |
| static Suite * |
| floatnum_suite(void) |
| { |
| Suite *s = suite_create("floatnum"); |
| TCase *tc_new = tcase_create("new"); |
| TCase *tc_get_single = tcase_create("get_single"); |
| TCase *tc_get_double = tcase_create("get_double"); |
| TCase *tc_get_extended = tcase_create("get_extended"); |
| |
| suite_add_tcase(s, tc_new); |
| tcase_add_test(tc_new, test_new_normalized); |
| tcase_add_test(tc_new, test_new_normalized_edgecase); |
| |
| suite_add_tcase(s, tc_get_single); |
| tcase_add_test(tc_get_single, test_get_single_normalized); |
| tcase_add_test(tc_get_single, test_get_single_normalized_edgecase); |
| tcase_set_fixture(tc_get_single, get_family_setup, get_family_teardown); |
| |
| suite_add_tcase(s, tc_get_double); |
| tcase_add_test(tc_get_double, test_get_double_normalized); |
| tcase_add_test(tc_get_double, test_get_double_normalized_edgecase); |
| tcase_set_fixture(tc_get_double, get_family_setup, get_family_teardown); |
| |
| suite_add_tcase(s, tc_get_extended); |
| tcase_add_test(tc_get_extended, test_get_extended_normalized); |
| tcase_add_test(tc_get_extended, test_get_extended_normalized_edgecase); |
| tcase_set_fixture(tc_get_extended, get_family_setup, get_family_teardown); |
| |
| return s; |
| } |
| |
| int |
| main(void) |
| { |
| int nf; |
| Suite *s = floatnum_suite(); |
| SRunner *sr = srunner_create(s); |
| BitVector_Boot(); |
| yasm_floatnum_initialize(); |
| srunner_run_all(sr, CRNORMAL); |
| nf = srunner_ntests_failed(sr); |
| srunner_free(sr); |
| suite_free(s); |
| return (nf == 0) ? EXIT_SUCCESS : EXIT_FAILURE; |
| } |