156 lines
3.1 KiB
C
156 lines
3.1 KiB
C
#include "greatest.h"
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#include "../silly.h"
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TEST silly_zeros_is_zero() {
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silly x = silly_zeros();
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ASSERT_EQ_FMT(0, x.sign, "%d");
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ASSERT_EQ_FMT(0, x.before, "%d");
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ASSERT_EQ_FMT(0, x.after, "%d");
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PASS();
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}
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TEST silly_string() {
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silly x = silly_zeros();
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ASSERT_STR_EQ("+0000000000.0000000000", silly_to_string(x));
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x.before = 1;
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ASSERT_STR_EQ("+0000000001.0000000000", silly_to_string(x));
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PASS();
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}
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TEST silly_addition() {
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silly x = silly_zeros();
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x.before = 1;
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x.after = 1;
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silly y = silly_zeros();
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y.before = 1;
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y.after = 0xffffffff;
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x = silly_add(x, y);
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ASSERT_EQ_FMT(3, x.before, "%d");
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ASSERT_EQ_FMT(0, x.after, "%d");
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y = silly_zeros();
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y.sign = 1;
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y.before = 4;
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x = silly_add(x, y);
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ASSERT_EQ_FMT(1, x.sign, "%d");
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ASSERT_EQ_FMT(1, x.before, "%d");
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ASSERT_EQ_FMT(0, x.after, "%d");
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PASS();
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}
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TEST silly_subtraction() {
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silly x = silly_zeros();
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x.before = 2;
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silly y = silly_zeros();
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y.before = 1;
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y.after = 0xffffffff;
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x = silly_sub(x, y);
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ASSERT_EQ_FMT(0, x.before, "%d");
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ASSERT_EQ_FMT(1, x.after, "%d");
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x = silly_zeros();
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x.before = 2;
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y = silly_zeros();
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y.sign = 1;
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y.before = 4;
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x = silly_sub(x, y);
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ASSERT_EQ_FMT(6, x.before, "%d");
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ASSERT_EQ_FMT(0, x.after, "%d");
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PASS();
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}
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TEST silly_multiplication() {
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silly x = silly_zeros();
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x.sign = 1;
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x.before = 3;
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silly y = silly_zeros();
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y.before = 2;
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x = silly_mul(x, y);
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ASSERT_EQ_FMT(1, x.sign, "%d");
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ASSERT_EQ_FMT(6, x.before, "%d");
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ASSERT_EQ_FMT(0, x.after, "%d");
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x = silly_zeros();
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x.before = 3;
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x.after = 1<<31;
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y = silly_zeros();
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y.before = 2;
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x = silly_mul(x, y);
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ASSERT_EQ_FMT(7, x.before, "%d");
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ASSERT_EQ_FMT(0, x.after, "%d");
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PASS();
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}
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TEST silly_conversion() {
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silly x = silly_zeros();
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ASSERT_EQ_FMT(0.0, silly_to_double(x), "%f");
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x.sign = 1;
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x.before = 1;
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x.after = (int)(((double)0xffffffff)/10);
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ASSERT(-1.1 - silly_to_double(x) <= 0.01);
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x = silly_from_float(0.0);
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ASSERT_EQ_FMT(0.0, silly_to_double(x), "%f");
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x = silly_from_float(-1.1);
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ASSERT(-1.1 - silly_to_double(x) <= 0.01);
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x = silly_from_double((double) 0.0);
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ASSERT_EQ_FMT(0.0, silly_to_double(x), "%f");
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x = silly_from_double((double) -1.1);
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ASSERT(-1.1 - silly_to_double(x) <= 0.01);
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x = silly_from_double((double) -413.25);
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ASSERT(-413.25 - silly_to_double(x) <= 0.01);
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PASS();
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}
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TEST silly_division() {
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silly x = make_silly(0, 10, 0);
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silly y = make_silly(1, 5, 0);
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ASSERT_EQ_FMT(-2.0, silly_to_double(silly_div(x, y)), "%f");
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y = make_silly(1, 2, 5);
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ASSERT_EQ_FMT(-4.0, silly_to_double(silly_div(x, y)), "%f");
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// :(
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y = make_silly(1, 2, 3);
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ASSERT_EQ_FMT(-4.0, silly_to_double(silly_div(x, y)), "%f");
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PASS();
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}
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SUITE(tests) {
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RUN_TEST(silly_zeros_is_zero);
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RUN_TEST(silly_string);
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RUN_TEST(silly_addition);
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RUN_TEST(silly_subtraction);
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RUN_TEST(silly_multiplication);
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RUN_TEST(silly_division);
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RUN_TEST(silly_conversion);
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}
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GREATEST_MAIN_DEFS();
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int main(int argc, char **argv) {
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GREATEST_MAIN_BEGIN();
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RUN_SUITE(tests);
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GREATEST_MAIN_END();
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}
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