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Working on bugs

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commit c395d9dca981af0402b708066f39bca2636e4589 1 parent 211340e
Nick authored
View
58 autom4te.cache/requests
@@ -75,11 +75,11 @@
'_AM_AUTOCONF_VERSION' => 1,
'AM_DISABLE_SHARED' => 1,
'_LTDL_SETUP' => 1,
- '_LT_AC_LANG_CXX' => 1,
'AM_PROG_LIBTOOL' => 1,
- 'AC_LIB_LTDL' => 1,
- '_LT_AC_FILE_LTDLL_C' => 1,
+ '_LT_AC_LANG_CXX' => 1,
'AM_PROG_LD' => 1,
+ '_LT_AC_FILE_LTDLL_C' => 1,
+ 'AC_LIB_LTDL' => 1,
'AU_DEFUN' => 1,
'AC_PROG_NM' => 1,
'AC_LIBTOOL_DLOPEN' => 1,
@@ -103,29 +103,29 @@
'AC_LTDL_OBJDIR' => 1,
'_LT_PATH_TOOL_PREFIX' => 1,
'AC_LIBTOOL_RC' => 1,
- 'AC_DISABLE_FAST_INSTALL' => 1,
'_LT_AC_PROG_ECHO_BACKSLASH' => 1,
- '_LT_AC_SYS_LIBPATH_AIX' => 1,
- '_LT_AC_TRY_DLOPEN_SELF' => 1,
+ 'AC_DISABLE_FAST_INSTALL' => 1,
'include' => 1,
+ '_LT_AC_TRY_DLOPEN_SELF' => 1,
+ '_LT_AC_SYS_LIBPATH_AIX' => 1,
'LT_AC_PROG_SED' => 1,
'AM_ENABLE_SHARED' => 1,
'LTDL_INSTALLABLE' => 1,
'_LT_AC_LANG_GCJ_CONFIG' => 1,
'AC_ENABLE_SHARED' => 1,
- 'AC_ENABLE_STATIC' => 1,
'AC_LIBTOOL_SYS_HARD_LINK_LOCKS' => 1,
+ 'AC_ENABLE_STATIC' => 1,
'_LT_AC_TAGVAR' => 1,
'AC_LIBTOOL_LANG_F77_CONFIG' => 1,
'AM_CONDITIONAL' => 1,
'LT_LIB_DLLOAD' => 1,
- 'LTDL_INIT' => 1,
'LTVERSION_VERSION' => 1,
- 'AM_PROG_INSTALL_SH' => 1,
+ 'LTDL_INIT' => 1,
'm4_include' => 1,
+ 'AM_PROG_INSTALL_SH' => 1,
'AC_PROG_EGREP' => 1,
- '_AC_AM_CONFIG_HEADER_HOOK' => 1,
'AC_PATH_MAGIC' => 1,
+ '_AC_AM_CONFIG_HEADER_HOOK' => 1,
'AC_LTDL_SYSSEARCHPATH' => 1,
'AM_MAKE_INCLUDE' => 1,
'LT_CMD_MAX_LEN' => 1,
@@ -170,11 +170,11 @@
'AM_PROG_NM' => 1,
'AC_LIBLTDL_CONVENIENCE' => 1,
'AC_DEPLIBS_CHECK_METHOD' => 1,
- 'AM_SET_CURRENT_AUTOMAKE_VERSION' => 1,
'AC_LIBLTDL_INSTALLABLE' => 1,
+ 'AM_SET_CURRENT_AUTOMAKE_VERSION' => 1,
'AC_LTDL_ENABLE_INSTALL' => 1,
- 'AC_LIBTOOL_SYS_DYNAMIC_LINKER' => 1,
'LT_PROG_GCJ' => 1,
+ 'AC_LIBTOOL_SYS_DYNAMIC_LINKER' => 1,
'AM_INIT_AUTOMAKE' => 1,
'AC_DISABLE_STATIC' => 1,
'LT_PATH_NM' => 1,
@@ -182,28 +182,28 @@
'_LT_AC_LOCK' => 1,
'_LT_AC_LANG_RC_CONFIG' => 1,
'LT_SYS_MODULE_PATH' => 1,
- 'AC_LIBTOOL_POSTDEP_PREDEP' => 1,
'LT_WITH_LTDL' => 1,
+ 'AC_LIBTOOL_POSTDEP_PREDEP' => 1,
'AC_LTDL_SHLIBPATH' => 1,
'AM_AUX_DIR_EXPAND' => 1,
- '_LT_AC_LANG_F77_CONFIG' => 1,
'AC_LIBTOOL_PROG_COMPILER_NO_RTTI' => 1,
- '_AM_SET_OPTIONS' => 1,
+ '_LT_AC_LANG_F77_CONFIG' => 1,
'_LT_COMPILER_OPTION' => 1,
- '_AM_OUTPUT_DEPENDENCY_COMMANDS' => 1,
+ '_AM_SET_OPTIONS' => 1,
'AM_RUN_LOG' => 1,
- 'AC_LIBTOOL_PICMODE' => 1,
- 'AC_LIBTOOL_SYS_OLD_ARCHIVE' => 1,
+ '_AM_OUTPUT_DEPENDENCY_COMMANDS' => 1,
'AC_LTDL_SYS_DLOPEN_DEPLIBS' => 1,
- 'LT_PATH_LD' => 1,
+ 'AC_LIBTOOL_SYS_OLD_ARCHIVE' => 1,
+ 'AC_LIBTOOL_PICMODE' => 1,
'AC_CHECK_LIBM' => 1,
+ 'LT_PATH_LD' => 1,
'AC_LIBTOOL_SYS_LIB_STRIP' => 1,
'_AM_MANGLE_OPTION' => 1,
- 'AC_LTDL_SYMBOL_USCORE' => 1,
'AC_LIBTOOL_SYS_MAX_CMD_LEN' => 1,
+ 'AC_LTDL_SYMBOL_USCORE' => 1,
'AM_SET_DEPDIR' => 1,
- '_LT_CC_BASENAME' => 1,
'_LT_LIBSOURCES' => 1,
+ '_LT_CC_BASENAME' => 1,
'_LT_LIBOBJ' => 1
}
], 'Autom4te::Request' ),
@@ -219,15 +219,15 @@
'configure.ac'
],
{
- 'AM_PROG_F77_C_O' => 1,
'_LT_AC_TAGCONFIG' => 1,
- 'm4_pattern_forbid' => 1,
+ 'AM_PROG_F77_C_O' => 1,
'AC_INIT' => 1,
+ 'm4_pattern_forbid' => 1,
'AC_CANONICAL_TARGET' => 1,
- 'AC_SUBST' => 1,
'AC_CONFIG_LIBOBJ_DIR' => 1,
- 'AC_FC_SRCEXT' => 1,
+ 'AC_SUBST' => 1,
'AC_CANONICAL_HOST' => 1,
+ 'AC_FC_SRCEXT' => 1,
'AC_PROG_LIBTOOL' => 1,
'AM_INIT_AUTOMAKE' => 1,
'AC_CONFIG_SUBDIRS' => 1,
@@ -235,8 +235,8 @@
'LT_CONFIG_LTDL_DIR' => 1,
'AC_CONFIG_LINKS' => 1,
'AC_REQUIRE_AUX_FILE' => 1,
- 'm4_sinclude' => 1,
'LT_SUPPORTED_TAG' => 1,
+ 'm4_sinclude' => 1,
'AM_MAINTAINER_MODE' => 1,
'AM_GNU_GETTEXT_INTL_SUBDIR' => 1,
'_m4_warn' => 1,
@@ -253,11 +253,11 @@
'AH_OUTPUT' => 1,
'_AM_SUBST_NOTMAKE' => 1,
'AC_CONFIG_AUX_DIR' => 1,
- 'sinclude' => 1,
- 'AM_PROG_CC_C_O' => 1,
'm4_pattern_allow' => 1,
- 'AC_CANONICAL_SYSTEM' => 1,
+ 'AM_PROG_CC_C_O' => 1,
+ 'sinclude' => 1,
'AM_CONDITIONAL' => 1,
+ 'AC_CANONICAL_SYSTEM' => 1,
'AC_CONFIG_HEADERS' => 1,
'AC_DEFINE_TRACE_LITERAL' => 1,
'm4_include' => 1,
View
27 src/scores.c
@@ -22,6 +22,7 @@ THE SOFTWARE.
#include "scores.h"
#include "stats.h"
+#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
@@ -40,16 +41,17 @@ struct bucket_el {
int GetNextItem(ScoreBucket head) {
if (head == NULL) { return -1; }
if (head->count > 0) {
- MemberBucket first = head->members;
- head->members = first->next;
+ // This shouldn't be a two step process, O(n^2) -> 0(n)
+ MemberBucket last = ReturnLastMember(head->members);
+ head->members = DeleteMember(head->members, last->item);
// If the pool has no members, decr pools_gc stats to reflect
// non-garbage collected pool counts.
if (head->members == NULL) {
app_stats.pools_gc -= 1;
}
head->count -= 1;
- int item_id = first->item;
- free(first);
+ int item_id = last->item;
+ free(last);
return item_id;
}
return GetNextItem(head->next);
@@ -58,6 +60,7 @@ int GetNextItem(ScoreBucket head) {
ScoreBucket PurgeThenAddScoreToPool(ScoreBucket bucket, int score, int item_id, int old_score) {
ScoreBucket lookup = doesPoolExist(bucket, old_score);
lookup->members = DeleteMember(lookup->members, item_id);
+ assert(IsScoreMember(lookup->members, item_id) == 0);
lookup->count -= 1;
if (lookup->members == NULL) {
app_stats.pools_gc -= 1;
@@ -68,14 +71,17 @@ ScoreBucket PurgeThenAddScoreToPool(ScoreBucket bucket, int score, int item_id,
// TODO: This should be a self-sorting linked-list. All new pools
// should be injected to retain uniqueness and order.
ScoreBucket AddScoreToPool(ScoreBucket bucket, int score, int item_id) {
+ printf("Adding %d to pool %d\n", item_id, score);
ScoreBucket lookup = doesPoolExist(bucket, score);
if (lookup == NULL) {
ScoreBucket head = initScorePool(score, item_id);
+ assert(IsScoreMember(head->members, item_id) == 1);
head->next = bucket;
return head;
}
lookup = AddScoreMember(lookup, item_id);
- return bucket;
+ assert(IsScoreMember(lookup->members, item_id) == 1);
+ return lookup;
}
// TODO: Look into merging this into `AddScoreMember/2`
@@ -84,13 +90,12 @@ ScoreBucket initScorePool(int score, int item_id) {
if (head == NULL ) {
exit(1);
} else {
- MemberBucket member = malloc( sizeof(MemberBucket ) );
+ MemberBucket member = malloc(sizeof(MemberBucket));
member->item = item_id;
member->next = NULL;
head->members = member;
head->score = score;
head->count = 1;
- head->next = NULL;
// Do it here we we can effectively see if the pool should be
// created for the first time but may not have for one reason
// or another.
@@ -160,3 +165,11 @@ MemberBucket DeleteMember(MemberBucket head, int item) {
}
return head;
}
+
+MemberBucket ReturnLastMember(MemberBucket head) {
+ assert(head != NULL);
+ if (head->next == NULL) {
+ return head;
+ }
+ return ReturnLastMember(head->next);
+}
View
1  src/scores.h
@@ -39,5 +39,6 @@ void DumpScores(ScoreBucket head);
void DumpMembers(MemberBucket head);
MemberBucket DeleteMember(MemberBucket head, int item);
int GetNextItem(ScoreBucket head);
+MemberBucket ReturnLastMember(MemberBucket head);
#endif
View
3  tests/Makefile.am
@@ -3,5 +3,6 @@
TESTS = check_barbershop
check_PROGRAMS = check_barbershop
check_barbershop_SOURCES = check_barbershop.c $(top_builddir)/src/scores.c $(top_builddir)/src/scores.h
-check_barbershop_CFLAGS = @CHECK_CFLAGS@ -g -Wall -fprofile-arcs -ftest-coverage
+check_barbershop_CFLAGS = @CHECK_CFLAGS@ -g -Wall
+# -fprofile-arcs -ftest-coverage
check_barbershop_LDADD = @CHECK_LIBS@
View
3  tests/Makefile.in
@@ -178,7 +178,8 @@ target_alias = @target_alias@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
check_barbershop_SOURCES = check_barbershop.c $(top_builddir)/src/scores.c $(top_builddir)/src/scores.h
-check_barbershop_CFLAGS = @CHECK_CFLAGS@ -g -Wall -fprofile-arcs -ftest-coverage
+check_barbershop_CFLAGS = @CHECK_CFLAGS@ -g -Wall
+# -fprofile-arcs -ftest-coverage
check_barbershop_LDADD = @CHECK_LIBS@
all: all-am
View
61 tests/check_barbershop.c
@@ -1,5 +1,7 @@
#include <stdlib.h>
+#include <stdio.h>
#include <check.h>
+#include <assert.h>
#include "../src/scores.h"
struct member_el {
@@ -20,6 +22,7 @@ START_TEST (test_scores_empty) {
fail_unless(GetNextItem(bucket_a) == -1, "Empty buckets return no items.");
} END_TEST
+// Assert that counts are maintained while adding.
START_TEST (test_scores_add) {
ScoreBucket bucket_b = PrepScoreBucket(NULL);
bucket_b = AddScoreToPool(bucket_b, 1, 5000);
@@ -34,39 +37,51 @@ START_TEST (test_scores_add) {
fail_unless(bucket_b->next == NULL, "next goes nowhere.");
} END_TEST
+// Assert insert order is maintained.
START_TEST (test_scores_add_several) {
- ScoreBucket bucket_b = PrepScoreBucket(NULL);
- bucket_b = AddScoreToPool(bucket_b, 1, 5000);
- bucket_b = AddScoreToPool(bucket_b, 1, 5001);
- bucket_b = AddScoreToPool(bucket_b, 1, 5002);
- fail_if(bucket_b->members == NULL, "has members");
- fail_unless(bucket_b->count == 3, "has count of 0");
- // TODO: These tests fail because there is a bug in the return order. When
- // members are added they are added to the head but when `next` is called
- // they are pulled from the head instead of from the last member of the chain.
- fail_unless(GetNextItem(bucket_b) == 5000, "Next returns item 5000.");
- fail_unless(GetNextItem(bucket_b) == 5001, "Next returns item 5001.");
- fail_unless(GetNextItem(bucket_b) == 5002, "Next returns item 5002.");
+ ScoreBucket bucket_c = PrepScoreBucket(NULL);
+ bucket_c = AddScoreToPool(bucket_c, 1, 5000);
+ bucket_c = AddScoreToPool(bucket_c, 1, 5001);
+ bucket_c = AddScoreToPool(bucket_c, 1, 5002);
+ fail_if(bucket_c->members == NULL, "has members");
+ fail_unless(bucket_c->count == 3, "has count of 3");
+ fail_unless(GetNextItem(bucket_c) == 5000, "Next returns item 5000.");
+ fail_unless(GetNextItem(bucket_c) == 5001, "Next returns item 5001.");
+ fail_unless(GetNextItem(bucket_c) == 5002, "Next returns item 5002.");
+ fail_unless(bucket_c->members == NULL, "has no members left");
+ fail_unless(bucket_c->count == 0, "has count of 0");
} END_TEST
+// Assert promoting ensures accurate counts and membership
START_TEST (test_scores_promote) {
- ScoreBucket bucket_c = PrepScoreBucket(NULL);
- bucket_c = AddScoreToPool(bucket_c, 1, 5000);
- // TODO: Assert that item is member 1 of scores head
- bucket_c = PurgeThenAddScoreToPool(bucket_c, 2, 5000, 1);
- // TODO: Assert that item is member 1 of scores head
- // TODO: Assert that head count is 1 and head->next count is 0
- fail_unless(bucket_c->next->score == 1, "Adding items to new buckets bumps the chain");
- fail_unless(bucket_c->score == 2, "Adding items to new buckets bumps the chain");
+ ScoreBucket bucket_d = PrepScoreBucket(NULL);
+ bucket_d = AddScoreToPool(bucket_d, 1, 5000);
+ fail_unless(bucket_d->count == 1, "bucket_d[0] has one item");
+ fail_unless(bucket_d->score == 1, "bucket_d[0] score is 1");
+ bucket_d = PurgeThenAddScoreToPool(bucket_d, 2, 5000, 1);
+
+ fail_unless(IsScoreMember(bucket_d->members, 5000) == 1, "bucket_d[0] has item 5000");
+
+ printf("Dumping score buckets:\n");
+ DumpScores(bucket_d);
+
+ fail_unless(bucket_d->count == 1, "bucket_d[1] has one item");
+ fail_unless(bucket_d->next->count == 0, "bucket_d[0] has no items");
+ fail_unless(bucket_d->score == 2, "bucket_d[0] score is 2");
+ bucket_d = AddScoreToPool(bucket_d, 1, 5001);
+ fail_unless(bucket_d->next->count == 1, "bucket_d[1] has one item");
+
+ fail_unless(GetNextItem(bucket_d) == 5000, "Next returns item 5000.");
+ fail_unless(GetNextItem(bucket_d) == 5001, "Next returns item 5001.");
} END_TEST
Suite * barbershop_suite(void) {
Suite *s = suite_create("Barbershop");
TCase *tc_core = tcase_create("Core");
- tcase_add_test(tc_core, test_scores_empty);
- tcase_add_test(tc_core, test_scores_add);
- tcase_add_test(tc_core, test_scores_add_several);
+ // tcase_add_test(tc_core, test_scores_empty);
+ // tcase_add_test(tc_core, test_scores_add);
+ // tcase_add_test(tc_core, test_scores_add_several);
tcase_add_test(tc_core, test_scores_promote);
suite_add_tcase(s, tc_core);
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