--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_printf.c Fri Dec 29 17:27:14 2023 +0100
@@ -0,0 +1,305 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2023 Mike Becker, Olaf Wintermann All rights reserved.
+ *
+ * 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 COPYRIGHT HOLDERS AND 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 COPYRIGHT HOLDER OR 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.
+ */
+
+#include "cx/test.h"
+#include "util_allocator.h"
+
+#include "cx/printf.h"
+#include "cx/buffer.h"
+
+#define ASSERT_ZERO_TERMINATED(str) CX_TEST_ASSERTM((str).ptr[(str).length] == '\0', \
+ #str " is not zero terminated")
+
+static size_t test_printf_write_func(
+ void const *src,
+ size_t esize,
+ size_t ecount,
+ void *target
+) {
+ memcpy(target, src, esize * ecount);
+ return esize * ecount;
+}
+
+CX_TEST(test_bprintf) {
+ CxTestingAllocator talloc;
+ cx_testing_allocator_init(&talloc);
+ CxAllocator *alloc = &talloc.base;
+ CX_TEST_DO {
+ CxBuffer buf;
+ cxBufferInit(&buf, NULL, 64, alloc, 0);
+ size_t r = cx_bprintf(&buf, "This %s aged %u years in a %2XSK.", "Test", 10, 0xca);
+ CX_TEST_ASSERT(r == 34);
+ CX_TEST_ASSERT(buf.size == 34);
+ buf.space[r] = '\0';
+ CX_TEST_ASSERT(0 == strcmp(buf.space, "This Test aged 10 years in a CASK."));
+ cxBufferDestroy(&buf);
+ CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
+ }
+ cx_testing_allocator_destroy(&talloc);
+}
+
+CX_TEST(test_bprintf_large_string) {
+ CxTestingAllocator talloc;
+ cx_testing_allocator_init(&talloc);
+ CxAllocator *alloc = &talloc.base;
+ char *aaa = malloc(512);
+ char *bbb = malloc(512);
+ char *expected = malloc(1040);
+ memset(aaa, 'a', 511);
+ aaa[511] = 0;
+ memset(bbb, 'b', 511);
+ bbb[511] = 0;
+ sprintf(expected, "After %s comes %s.", aaa, bbb);
+ CX_TEST_DO {
+ CxBuffer buf;
+ cxBufferInit(&buf, NULL, 64, alloc, CX_BUFFER_AUTO_EXTEND);
+ size_t r = cx_bprintf(&buf, "After %s comes %s.", aaa, bbb);
+ CX_TEST_ASSERT(r == 1036);
+ CX_TEST_ASSERT(buf.size == 1036);
+ cxBufferPut(&buf, 0);
+ CX_TEST_ASSERT(0 == strcmp(expected, buf.space));
+ cxBufferDestroy(&buf);
+ CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
+ }
+ free(aaa);
+ free(bbb);
+ free(expected);
+ cx_testing_allocator_destroy(&talloc);
+}
+
+CX_TEST(test_bprintf_nocap) {
+ CxTestingAllocator talloc;
+ cx_testing_allocator_init(&talloc);
+ CxAllocator *alloc = &talloc.base;
+ char space[20];
+ memset(space, 'a', 20);
+ CX_TEST_DO {
+ CxBuffer buf;
+ cxBufferInit(&buf, space, 16, alloc, 0);
+ size_t r = cx_bprintf(&buf, "Hello %s with more than %d chars.", "string", 16);
+ CX_TEST_ASSERT(r == 16);
+ CX_TEST_ASSERT(buf.size == 16);
+ CX_TEST_ASSERT(0 == memcmp(space, "Hello string witaaaa", 20));
+ cxBufferDestroy(&buf);
+ CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
+ }
+ cx_testing_allocator_destroy(&talloc);
+}
+
+CX_TEST(test_fprintf) {
+ char const *h = "Hello";
+ char buf[32];
+ size_t r;
+ CX_TEST_DO {
+ r = cx_fprintf(buf, test_printf_write_func, "teststring");
+ CX_TEST_ASSERT(r == 10);
+ CX_TEST_ASSERT(0 == memcmp(buf, "teststring", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "[%10s]", h);
+ CX_TEST_ASSERT(r == 12);
+ CX_TEST_ASSERT(0 == memcmp(buf, "[ Hello]", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "[%-10s]", h);
+ CX_TEST_ASSERT(r == 12);
+ CX_TEST_ASSERT(0 == memcmp(buf, "[Hello ]", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "[%*s]", 10, h);
+ CX_TEST_ASSERT(r == 12);
+ CX_TEST_ASSERT(0 == memcmp(buf, "[ Hello]", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "[%-10.*s]", 4, h);
+ CX_TEST_ASSERT(r == 12);
+ CX_TEST_ASSERT(0 == memcmp(buf, "[Hell ]", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "[%-*.*s]", 10, 4, h);
+ CX_TEST_ASSERT(r == 12);
+ CX_TEST_ASSERT(0 == memcmp(buf, "[Hell ]", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "%c", 'A');
+ CX_TEST_ASSERT(r == 1);
+ CX_TEST_ASSERT(0 == memcmp(buf, "A", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "%i %d %.6i %i %.0i %+i %i", 1, 2, 3, 0, 0, 4, -4);
+ CX_TEST_ASSERT(r == 19);
+ CX_TEST_ASSERT(0 == memcmp(buf, "1 2 000003 0 +4 -4", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "%x %x %X %#x", 5, 10, 10, 6);
+ CX_TEST_ASSERT(r == 9);
+ CX_TEST_ASSERT(0 == memcmp(buf, "5 a A 0x6", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "%o %#o %#o", 10, 10, 4);
+ CX_TEST_ASSERT(r == 9);
+ CX_TEST_ASSERT(0 == memcmp(buf, "12 012 04", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "%05.2f %.2f %5.2f", 1.5, 1.5, 1.5);
+ CX_TEST_ASSERT(r == 16);
+ CX_TEST_ASSERT(0 == memcmp(buf, "01.50 1.50 1.50", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "'%*c'", 5, 'x');
+ CX_TEST_ASSERT(r == 7);
+ CX_TEST_ASSERT(0 == memcmp(buf, "' x'", r));
+
+ r = cx_fprintf(buf, test_printf_write_func, "'%*c'", -5, 'x');
+ CX_TEST_ASSERT(r == 7);
+ CX_TEST_ASSERT(0 == memcmp(buf, "'x '", r));
+ }
+}
+
+CX_TEST(test_asprintf) {
+ CxTestingAllocator talloc;
+ cx_testing_allocator_init(&talloc);
+ CxAllocator *alloc = &talloc.base;
+
+ char const *h = "Hello";
+
+ int const specimen_count = 13;
+ cxmutstr r[specimen_count];
+ int specimen = 0;
+
+ CX_TEST_DO {
+ r[specimen] = cx_asprintf_a(alloc, "teststring");
+ CX_TEST_ASSERT(r[specimen].length == 10);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "teststring"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "[%10s]", h);
+ CX_TEST_ASSERT(r[specimen].length == 12);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[ Hello]"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "[%-10s]", h);
+ CX_TEST_ASSERT(r[specimen].length == 12);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[Hello ]"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "[%*s]", 10, h);
+ CX_TEST_ASSERT(r[specimen].length == 12);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[ Hello]"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "[%-10.*s]", 4, h);
+ CX_TEST_ASSERT(r[specimen].length == 12);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[Hell ]"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "[%-*.*s]", 10, 4, h);
+ CX_TEST_ASSERT(r[specimen].length == 12);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[Hell ]"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "%c", 'A');
+ CX_TEST_ASSERT(r[specimen].length == 1);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "A"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "%i %d %.6i %i %.0i %+i %i", 1, 2, 3, 0, 0, 4, -4);
+ CX_TEST_ASSERT(r[specimen].length == 19);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "1 2 000003 0 +4 -4"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "%x %x %X %#x", 5, 10, 10, 6);
+ CX_TEST_ASSERT(r[specimen].length == 9);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "5 a A 0x6"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "%o %#o %#o", 10, 10, 4);
+ CX_TEST_ASSERT(r[specimen].length == 9);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "12 012 04"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "%05.2f %.2f %5.2f", 1.5, 1.5, 1.5);
+ CX_TEST_ASSERT(r[specimen].length == 16);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "01.50 1.50 1.50"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "'%*c'", 5, 'x');
+ CX_TEST_ASSERT(r[specimen].length == 7);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "' x'"));
+ specimen++;
+
+ r[specimen] = cx_asprintf_a(alloc, "'%*c'", -5, 'x');
+ CX_TEST_ASSERT(r[specimen].length == 7);
+ ASSERT_ZERO_TERMINATED(r[specimen]);
+ CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "'x '"));
+ specimen++;
+
+ CX_TEST_ASSERT(specimen == specimen_count); // self-test
+
+ for (int i = 0; i < specimen_count; i++) {
+ cx_strfree_a(alloc, &r[i]);
+ }
+ CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
+ }
+ cx_testing_allocator_destroy(&talloc);
+}
+
+CX_TEST(test_asprintf_large_string) {
+ char *aaa = malloc(512);
+ char *bbb = malloc(512);
+ char *expected = malloc(1040);
+ memset(aaa, 'a', 511);
+ aaa[511] = 0;
+ memset(bbb, 'b', 511);
+ bbb[511] = 0;
+ sprintf(expected, "After %s comes %s.", aaa, bbb);
+ CX_TEST_DO {
+ cxmutstr r = cx_asprintf("After %s comes %s.", aaa, bbb);
+ CX_TEST_ASSERT(r.length == 1036);
+ ASSERT_ZERO_TERMINATED(r);
+ CX_TEST_ASSERT(0 == strcmp(r.ptr, expected));
+ cx_strfree(&r);
+ }
+ free(aaa);
+ free(bbb);
+ free(expected);
+}
+
+CxTestSuite *cx_test_suite_printf(void) {
+ CxTestSuite *suite = cx_test_suite_new("printf");
+
+ cx_test_register(suite, test_bprintf);
+ cx_test_register(suite, test_bprintf_large_string);
+ cx_test_register(suite, test_bprintf_nocap);
+ cx_test_register(suite, test_fprintf);
+ cx_test_register(suite, test_asprintf);
+ cx_test_register(suite, test_asprintf_large_string);
+
+ return suite;
+}