- added a tweaked version of James Grenning's unity_fixture to extras

git-svn-id: http://unity.svn.sourceforge.net/svnroot/unity/trunk@106 e7d17a6e-8845-0410-bbbc-c8efb4fdad7e

extras/fixture/test/unity_fixture_Test.c

@@ -0,0 +1,325 @@
+//- Copyright (c) 2010 James Grenning and Contributed to Unity Project
+/* ==========================================
+    Unity Project - A Test Framework for C
+    Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
+    [Released under MIT License. Please refer to license.txt for details]
+========================================== */
+
+#include "unity_fixture.h"
+#include "unity_output_Spy.h"
+#include <stdlib.h>
+#include <string.h>
+
+extern UNITY_FIXTURE_T UnityFixture;
+
+TEST_GROUP(UnityFixture);
+
+TEST_SETUP(UnityFixture)
+{
+}
+
+TEST_TEAR_DOWN(UnityFixture)
+{
+}
+
+int my_int;
+int* pointer1 = 0;
+int* pointer2 = (int*)2;
+int* pointer3 = (int*)3;
+int int1;
+int int2;
+int int3;
+int int4;
+
+TEST(UnityFixture, PointerSetting)
+{
+    TEST_ASSERT_POINTERS_EQUAL(pointer1, 0);
+    UT_PTR_SET(pointer1, &int1);
+    UT_PTR_SET(pointer2, &int2);
+    UT_PTR_SET(pointer3, &int3);
+    TEST_ASSERT_POINTERS_EQUAL(pointer1, &int1);
+    TEST_ASSERT_POINTERS_EQUAL(pointer2, &int2);
+    TEST_ASSERT_POINTERS_EQUAL(pointer3, &int3);
+    UT_PTR_SET(pointer1, &int4);
+    UnityPointer_UndoAllSets();
+    TEST_ASSERT_POINTERS_EQUAL(pointer1, 0);
+    TEST_ASSERT_POINTERS_EQUAL(pointer2, (int*)2);
+    TEST_ASSERT_POINTERS_EQUAL(pointer3, (int*)3);
+}
+
+TEST(UnityFixture, ForceMallocFail)
+{
+    UnityMalloc_MakeMallocFailAfterCount(1);
+    void* m = malloc(10);
+    CHECK(m);
+    void* mfails = malloc(10);
+    TEST_ASSERT_POINTERS_EQUAL(0, mfails);
+    free(m);
+}
+
+TEST(UnityFixture, ReallocSmallerIsUnchanged)
+{
+    void* m1 = malloc(10);
+    void* m2 = realloc(m1, 5);
+    TEST_ASSERT_POINTERS_EQUAL(m1, m2);
+    free(m2);
+}
+
+TEST(UnityFixture, ReallocSameIsUnchanged)
+{
+    void* m1 = malloc(10);
+    void* m2 = realloc(m1, 10);
+    TEST_ASSERT_POINTERS_EQUAL(m1, m2);
+    free(m2);
+}
+
+TEST(UnityFixture, ReallocLargerNeeded)
+{
+    void* m1 = malloc(10);
+    strcpy((char*)m1, "123456789");
+    void* m2 = realloc(m1, 15);
+    CHECK(m1 != m2);
+    STRCMP_EQUAL("123456789", m2);
+    free(m2);
+}
+
+TEST(UnityFixture, ReallocNullPointerIsLikeMalloc)
+{
+    void* m = realloc(0, 15);
+    CHECK(m != 0);
+    free(m);
+}
+
+TEST(UnityFixture, ReallocSizeZeroFreesMemAndReturnsNullPointer)
+{
+    void* m1 = malloc(10);
+    void* m2 = realloc(m1, 0);
+    TEST_ASSERT_POINTERS_EQUAL(0, m2);
+}
+
+TEST(UnityFixture, CallocFillsWithZero)
+{
+    void* m = calloc(3, sizeof(char));
+    char* s = (char*)m;
+    TEST_ASSERT_BYTES_EQUAL(0, s[0]);
+    TEST_ASSERT_BYTES_EQUAL(0, s[1]);
+    TEST_ASSERT_BYTES_EQUAL(0, s[2]);
+    free(m);
+}
+
+char *p1;
+char *p2;
+
+TEST(UnityFixture, PointerSet)
+{
+    char c1;
+    char c2;
+    char newC1;
+    char newC2;
+    p1 = &c1;
+    p2 = &c2;
+
+    UnityPointer_Init(10);
+    UT_PTR_SET(p1, &newC1);
+    UT_PTR_SET(p2, &newC2);
+    TEST_ASSERT_POINTERS_EQUAL(&newC1, p1);
+    TEST_ASSERT_POINTERS_EQUAL(&newC2, p2);
+    UnityPointer_UndoAllSets();
+    TEST_ASSERT_POINTERS_EQUAL(&c1, p1);
+    TEST_ASSERT_POINTERS_EQUAL(&c2, p2);
+}
+
+//------------------------------------------------------------
+
+TEST_GROUP(UnityCommandOptions);
+
+int savedVerbose;
+int savedRepeat;
+const char* savedName;
+const char* savedGroup;
+
+TEST_SETUP(UnityCommandOptions)
+{
+    savedVerbose = UnityFixture.Verbose;
+    savedRepeat = UnityFixture.RepeatCount;
+    savedName = UnityFixture.NameFilter;
+    savedGroup = UnityFixture.GroupFilter;
+}
+
+TEST_TEAR_DOWN(UnityCommandOptions)
+{
+    UnityFixture.Verbose = savedVerbose;
+    UnityFixture.RepeatCount= savedRepeat;
+    UnityFixture.NameFilter = savedName;
+    UnityFixture.GroupFilter = savedGroup;
+}
+
+
+static char* noOptions[] = {
+        "testrunner.exe"
+};
+
+TEST(UnityCommandOptions, DefaultOptions)
+{
+    UnityGetCommandLineOptions(1, noOptions);
+    TEST_ASSERT_EQUAL(0, UnityFixture.Verbose);
+    TEST_ASSERT_POINTERS_EQUAL(0, UnityFixture.GroupFilter);
+    TEST_ASSERT_POINTERS_EQUAL(0, UnityFixture.NameFilter);
+    TEST_ASSERT_EQUAL(1, UnityFixture.RepeatCount);
+}
+
+static char* verbose[] = {
+        "testrunner.exe",
+        "-v"
+};
+
+TEST(UnityCommandOptions, OptionVerbose)
+{
+    TEST_ASSERT_EQUAL(0, UnityGetCommandLineOptions(2, verbose));
+    TEST_ASSERT_EQUAL(1, UnityFixture.Verbose);
+}
+
+static char* group[] = {
+        "testrunner.exe",
+        "-g", "groupname"
+};
+
+TEST(UnityCommandOptions, OptionSelectTestByGroup)
+{
+    TEST_ASSERT_EQUAL(0, UnityGetCommandLineOptions(3, group));
+    STRCMP_EQUAL("groupname", UnityFixture.GroupFilter);
+}
+
+static char* name[] = {
+        "testrunner.exe",
+        "-n", "testname"
+};
+
+TEST(UnityCommandOptions, OptionSelectTestByName)
+{
+    TEST_ASSERT_EQUAL(0, UnityGetCommandLineOptions(3, name));
+    STRCMP_EQUAL("testname", UnityFixture.NameFilter);
+}
+
+static char* repeat[] = {
+        "testrunner.exe",
+        "-r", "99"
+};
+
+TEST(UnityCommandOptions, OptionSelectRepeatTestsDefaultCount)
+{
+    TEST_ASSERT_EQUAL(0, UnityGetCommandLineOptions(2, repeat));
+    TEST_ASSERT_EQUAL(2, UnityFixture.RepeatCount);
+}
+
+TEST(UnityCommandOptions, OptionSelectRepeatTestsSpecificCount)
+{
+    TEST_ASSERT_EQUAL(0, UnityGetCommandLineOptions(3, repeat));
+    TEST_ASSERT_EQUAL(99, UnityFixture.RepeatCount);
+}
+
+static char* multiple[] = {
+        "testrunner.exe",
+        "-v",
+        "-g", "groupname",
+        "-n", "testname",
+        "-r", "98"
+};
+
+TEST(UnityCommandOptions, MultipleOptions)
+{
+    TEST_ASSERT_EQUAL(0, UnityGetCommandLineOptions(8, multiple));
+    TEST_ASSERT_EQUAL(1, UnityFixture.Verbose);
+    STRCMP_EQUAL("groupname", UnityFixture.GroupFilter);
+    STRCMP_EQUAL("testname", UnityFixture.NameFilter);
+    TEST_ASSERT_EQUAL(98, UnityFixture.RepeatCount);
+}
+
+static char* dashRNotLast[] = {
+        "testrunner.exe",
+        "-v",
+        "-g", "gggg",
+        "-r",
+        "-n", "tttt",
+};
+
+TEST(UnityCommandOptions, MultipleOptionsDashRNotLastAndNoValueSpecified)
+{
+    TEST_ASSERT_EQUAL(0, UnityGetCommandLineOptions(7, dashRNotLast));
+    TEST_ASSERT_EQUAL(1, UnityFixture.Verbose);
+    STRCMP_EQUAL("gggg", UnityFixture.GroupFilter);
+    STRCMP_EQUAL("tttt", UnityFixture.NameFilter);
+    TEST_ASSERT_EQUAL(2, UnityFixture.RepeatCount);
+}
+
+
+//------------------------------------------------------------
+
+TEST_GROUP(LeakDetection);
+
+TEST_SETUP(LeakDetection)
+{
+    UnityOutputCharSpy_Create(1000);
+}
+
+TEST_TEAR_DOWN(LeakDetection)
+{
+    UnityOutputCharSpy_Destroy();
+}
+
+#define EXPECT_ABORT_BEGIN \
+  { \
+    jmp_buf TestAbortFrame;   \
+    memcpy(TestAbortFrame, Unity.AbortFrame, sizeof(jmp_buf)); \
+    if (TEST_PROTECT()) \
+    {
+
+#define EXPECT_ABORT_END \
+    } \
+    memcpy(Unity.AbortFrame, TestAbortFrame, sizeof(jmp_buf)); \
+  }
+
+TEST(LeakDetection, DetectsLeak)
+{
+    void* m = malloc(10);
+    UnityOutputCharSpy_Enable(1);
+    EXPECT_ABORT_BEGIN
+    UnityMalloc_EndTest();
+    UnityPointer_UndoAllSets();
+    EXPECT_ABORT_END
+    UnityOutputCharSpy_Enable(0);
+    CHECK(strstr(UnityOutputCharSpy_Get(), "This test leaks!"));
+    free(m);
+    Unity.CurrentTestFailed = 0;
+}
+
+TEST(LeakDetection, BufferOverrunFoundDuringFree)
+{
+    void* m = malloc(10);
+    char* s = (char*)m;
+    s[10] = -1;
+    UnityOutputCharSpy_Enable(1);
+    EXPECT_ABORT_BEGIN
+    free(m);
+    EXPECT_ABORT_END
+    UnityOutputCharSpy_Enable(0);
+    UnityPointer_UndoAllSets();
+    CHECK(strstr(UnityOutputCharSpy_Get(), "Buffer overrun detected during free()"));
+    Unity.CurrentTestFailed = 0;
+}
+
+TEST(LeakDetection, BufferOverrunFoundDuringRealloc)
+{
+    void* m = malloc(10);
+    char* s = (char*)m;
+    s[10] = -1;
+    UnityOutputCharSpy_Enable(1);
+    EXPECT_ABORT_BEGIN
+    m = realloc(m, 100);
+    EXPECT_ABORT_END
+    UnityOutputCharSpy_Enable(0);
+    UnityPointer_UndoAllSets();
+    CHECK(strstr(UnityOutputCharSpy_Get(), "Buffer overrun detected during realloc()"));
+    free(m);
+    Unity.CurrentTestFailed = 0;
+}