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tests: print_number

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Max Bruckner 2017-02-20 01:25:19 +01:00
parent 87691a86e5
commit 924122904e
2 changed files with 104 additions and 0 deletions
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1
tests/CMakeLists.txt
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@ -15,6 +15,7 @@ if(ENABLE_CJSON_TEST)
parse_object
parse_value
print_string
print_number
)
add_library(test-common common.c)

103
tests/print_number.c Normal file
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@ -0,0 +1,103 @@
/*
Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "unity/examples/unity_config.h"
#include "unity/src/unity.h"
#include "common.h"
static void assert_print_number(const char *expected, double input)
{
unsigned char printed[1024];
cJSON item[1];
printbuffer buffer;
buffer.buffer = printed;
buffer.length = sizeof(printed);
buffer.offset = 0;
buffer.noalloc = true;
memset(item, 0, sizeof(item));
cJSON_SetNumberValue(item, input);
TEST_ASSERT_NOT_NULL_MESSAGE(print_number(item, &buffer), "Failed to print number.");
TEST_ASSERT_EQUAL_STRING_MESSAGE(expected, buffer.buffer, "Printed number is not as expected.");
}
static void print_number_should_print_zero(void)
{
assert_print_number("0", 0);
}
static void print_number_should_print_negative_integers(void)
{
assert_print_number("-1", -1);
assert_print_number("-32768", -32768);
assert_print_number("-2147483648", -2147483648);
}
static void print_number_should_print_positive_integers(void)
{
assert_print_number("1", 1);
assert_print_number("32767", 32767);
assert_print_number("2147483647", 2147483647);
}
static void print_number_should_print_positive_reals(void)
{
assert_print_number("0.123000", 0.123);
assert_print_number("1.000000e-09", 10e-10);
assert_print_number("1000000000000", 10e11);
assert_print_number("1.230000e+129", 123e+127);
assert_print_number("0", 123e-128); /* TODO: Maybe this shouldn't be 0 */
}
static void print_number_should_print_negative_reals(void)
{
assert_print_number("-0.012300", -0.0123);
assert_print_number("-1.000000e-09", -10e-10);
assert_print_number("-1000000000000000000000", -10e20);
assert_print_number("-1.230000e+129", -123e+127);
assert_print_number("-1.230000e-126", -123e-128);
}
static void print_number_should_print_non_number(void)
{
TEST_IGNORE();
/* FIXME: Cannot test this easily in C89! */
/* assert_print_number("null", NaN); */
/* assert_print_number("null", INFTY); */
/* assert_print_number("null", -INFTY); */
}
int main(void)
{
/* initialize cJSON item */
UNITY_BEGIN();
RUN_TEST(print_number_should_print_zero);
RUN_TEST(print_number_should_print_negative_integers);
RUN_TEST(print_number_should_print_positive_integers);
RUN_TEST(print_number_should_print_positive_reals);
RUN_TEST(print_number_should_print_negative_reals);
RUN_TEST(print_number_should_print_non_number);
return UNITY_END();
}