On Fri, Sep 13, 2013 at 10:01:20AM +0800, Sam Spilsbury wrote:
> The new TEST_P macro takes a function name and a "data" argument to
> point to an arbitrary array of known size of test data. This allows
> multiple tests to be run with different datasets. The array is stored
> as a void * but advanced by a known size on each iteration.
> 
> The data for each invocation of the test is provided as a "data" argument,
> it is the responsibility of the test to cast it to something sensible.
> 
> Also fixed single-test running to only run the tests specified

That's a nice addition.  Committed with one tweak, see below.

Kristian

> ---
>  tests/weston-test-runner.c | 123 
> ++++++++++++++++++++++++++++-----------------
>  tests/weston-test-runner.h |  52 +++++++++++++------
>  2 files changed, 113 insertions(+), 62 deletions(-)
> 
> diff --git a/tests/weston-test-runner.c b/tests/weston-test-runner.c
> index ed5baf0..89eca40 100644
> --- a/tests/weston-test-runner.c
> +++ b/tests/weston-test-runner.c
> @@ -47,9 +47,9 @@ find_test(const char *name)
>  }
>  
>  static void
> -run_test(const struct weston_test *t)
> +run_test(const struct weston_test *t, void *data)
>  {
> -     t->run();
> +     t->run(data);
>       exit(EXIT_SUCCESS);
>  }
>  
> @@ -63,12 +63,75 @@ list_tests(void)
>               fprintf(stderr, "       %s\n", t->name);
>  }
>  
> +static int
> +exec_and_report_test(const struct weston_test *t, void *test_data, int 
> iteration)
> +{
> +     int success = 0;
> +     int hardfail = 0;
> +     siginfo_t info;
> +
> +     pid_t pid = fork();
> +     assert(pid >= 0);
> +
> +     if (pid == 0)
> +             run_test(t, test_data); /* never returns */
> +
> +     if (waitid(P_ALL, 0, &info, WEXITED)) {
> +             fprintf(stderr, "waitid failed: %m\n");
> +             abort();
> +     }
> +
> +     if (test_data)
> +             fprintf(stderr, "test \"%s/%i\":\t", t->name, iteration);
> +     else
> +             fprintf(stderr, "test \"%s\":\t", t->name);
> +
> +     switch (info.si_code) {
> +     case CLD_EXITED:
> +             fprintf(stderr, "exit status %d", info.si_status);
> +             if (info.si_status == EXIT_SUCCESS)
> +                     success = 1;
> +             break;
> +     case CLD_KILLED:
> +     case CLD_DUMPED:
> +             fprintf(stderr, "signal %d", info.si_status);
> +             if (info.si_status != SIGABRT)
> +                     hardfail = 1;
> +             break;
> +     }
> +
> +     if (t->must_fail)
> +             success = !success;
> +
> +     if (success && !hardfail) {
> +             fprintf(stderr, ", pass.\n");
> +             return 1;
> +     } else { 
> +             fprintf(stderr, ", fail.\n");
> +             return 0;
> +     }
> +}
> +
> +/* Returns number of tests and number of pass / fail in param args */
> +static int
> +iterate_test(const struct weston_test *t, int *passed)
> +{
> +     int i;
> +     void *current_test_data = (void *) t->table_data;
> +     for (i = 0; i < t->n_elements; ++i, current_test_data += 
> t->element_size)
> +     {
> +             if (exec_and_report_test(t, current_test_data, i))
> +                     ++(*passed);
> +     }
> +
> +     return t->n_elements;
> +}
> +
>  int main(int argc, char *argv[])
>  {
>       const struct weston_test *t;
> -     pid_t pid;
> -     int total, pass;
> -     siginfo_t info;
> +     int total = 0;
> +     int pass = 0;
>  
>       if (argc == 2) {
>               const char *testname = argv[1];
> @@ -86,51 +149,19 @@ int main(int argc, char *argv[])
>                       exit(EXIT_FAILURE);
>               }
>  
> -             run_test(t);
> +             int number_passed_in_test = 0;
> +             total += iterate_test(t, &number_passed_in_test);
> +             pass += number_passed_in_test;
>       }
> -
> -     pass = 0;
> -     for (t = &__start_test_section; t < &__stop_test_section; t++) {
> -             int success = 0;
> -             int hardfail = 0;
> -
> -             pid = fork();
> -             assert(pid >= 0);
> -
> -             if (pid == 0)
> -                     run_test(t); /* never returns */
> -
> -             if (waitid(P_ALL, 0, &info, WEXITED)) {
> -                     fprintf(stderr, "waitid failed: %m\n");
> -                     abort();
> +     else
> +     {

We use cuddled else, that is:

        } else {

not

        }
        else
        {

> +             for (t = &__start_test_section; t < &__stop_test_section; t++) {
> +                     int number_passed_in_test = 0;
> +                     total += iterate_test(t, &number_passed_in_test);
> +                     pass += number_passed_in_test;
>               }
> -
> -             fprintf(stderr, "test \"%s\":\t", t->name);
> -             switch (info.si_code) {
> -             case CLD_EXITED:
> -                     fprintf(stderr, "exit status %d", info.si_status);
> -                     if (info.si_status == EXIT_SUCCESS)
> -                             success = 1;
> -                     break;
> -             case CLD_KILLED:
> -             case CLD_DUMPED:
> -                     fprintf(stderr, "signal %d", info.si_status);
> -                     if (info.si_status != SIGABRT)
> -                             hardfail = 1;
> -                     break;
> -             }
> -
> -             if (t->must_fail)
> -                     success = !success;
> -
> -             if (success && !hardfail) {
> -                     pass++;
> -                     fprintf(stderr, ", pass.\n");
> -             } else
> -                     fprintf(stderr, ", fail.\n");
>       }
>  
> -     total = &__stop_test_section - &__start_test_section;
>       fprintf(stderr, "%d tests, %d pass, %d fail\n",
>               total, pass, total - pass);
>  
> diff --git a/tests/weston-test-runner.h b/tests/weston-test-runner.h
> index 41df386..457cf31 100644
> --- a/tests/weston-test-runner.h
> +++ b/tests/weston-test-runner.h
> @@ -1,5 +1,6 @@
>  /*
>   * Copyright © 2012 Intel Corporation
> + * Copyright © 2013 Sam Spilsbury <smspil...@gmail.com>
>   *
>   * Permission to use, copy, modify, distribute, and sell this software and
>   * its documentation for any purpose is hereby granted without fee, provided
> @@ -23,34 +24,53 @@
>  #ifndef _WESTON_TEST_RUNNER_H_
>  #define _WESTON_TEST_RUNNER_H_
>  
> +#include <stdlib.h>
> +
>  #ifdef NDEBUG
>  #error "Tests must not be built with NDEBUG defined, they rely on assert()."
>  #endif
>  
>  struct weston_test {
>       const char *name;
> -     void (*run)(void);
> +     void (*run)(void *);
> +     const void *table_data;
> +     size_t element_size;
> +     int n_elements;
>       int must_fail;
> -} __attribute__ ((aligned (16)));
> +} __attribute__ ((aligned (32)));
>  
> -#define TEST(name)                                           \
> -     static void name(void);                                 \
> +#define TEST_BEGIN(name, arg)                                        \
> +     static void name(arg)
> +
> +#define TEST_COMMON(func, name, ret, data, size, n_elem)     \
> +     static void func(void *);                               \
>                                                               \
>       const struct weston_test test##name                     \
> -              __attribute__ ((section ("test_section"))) = { \
> -             #name, name, 0                                  \
> -     };                                                      \
> -                                                             \
> -     static void name(void)
> +             __attribute__ ((section ("test_section"))) =    \
> +     {                                                       \
> +             #name, func, data, size, n_elem, ret            \
> +     };
>  
> -#define FAIL_TEST(name)                                              \
> +#define NO_ARG_TEST(name, ret)                                       \
> +     TEST_COMMON(wrap##name, name, ret, NULL, 0, 1)          \
>       static void name(void);                                 \
> +     static void wrap##name(void *data)                      \
> +     {                                                       \
> +             (void) data;                                    \
> +             name();                                         \
> +     }                                                       \
>                                                               \
> -     const struct weston_test test##name                     \
> -              __attribute__ ((section ("test_section"))) = { \
> -             #name, name, 1                                  \
> -     };                                                      \
> -                                                             \
> -     static void name(void)
> +     TEST_BEGIN(name, void)
> +
> +#define ARG_TEST(name, ret, test_data)                               \
> +     TEST_COMMON(name, name, ret, test_data,                 \
> +                 sizeof(test_data[0]),                       \
> +                 sizeof(test_data) / sizeof (test_data[0]))  \
> +     TEST_BEGIN(name, void *data)                            \
> +
> +#define TEST(name) NO_ARG_TEST(name, 0)
> +#define FAIL_TEST(name) NO_ARG_TEST(name, 1)
> +#define TEST_P(name, data) ARG_TEST(name, 0, data)
> +#define FAIL_TEST_P(name, data) ARG_TEST(name, 1, data)
>  
>  #endif
> -- 
> 1.8.3.2
> 
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