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author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
commit | 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53 (patch) | |
tree | 54fd1b2695a591d2306d41264df67c53077b752c /libctest | |
download | system_core-4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53.zip system_core-4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53.tar.gz system_core-4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53.tar.bz2 |
Initial Contribution
Diffstat (limited to 'libctest')
-rw-r--r-- | libctest/Android.mk | 7 | ||||
-rw-r--r-- | libctest/ctest.c | 161 |
2 files changed, 168 insertions, 0 deletions
diff --git a/libctest/Android.mk b/libctest/Android.mk new file mode 100644 index 0000000..815fabb --- /dev/null +++ b/libctest/Android.mk @@ -0,0 +1,7 @@ +LOCAL_PATH:= $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_MODULE:= libctest +LOCAL_SRC_FILES := ctest.c + +include $(BUILD_SHARED_LIBRARY) diff --git a/libctest/ctest.c b/libctest/ctest.c new file mode 100644 index 0000000..ee6331f --- /dev/null +++ b/libctest/ctest.c @@ -0,0 +1,161 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> +#include <ctest/ctest.h> + +#define MAX_TESTS 255 + +/** Semi-random number used to identify assertion errors. */ +#define ASSERTION_ERROR 42 + +typedef void TestCase(); + +/** A suite of tests. */ +typedef struct { + int size; + const char* testNames[MAX_TESTS]; + TestCase* tests[MAX_TESTS]; + int currentTest; + FILE* out; +} TestSuite; + +/** Gets the test suite. Creates it if necessary. */ +static TestSuite* getTestSuite() { + static TestSuite* suite = NULL; + + if (suite != NULL) { + return suite; + } + + suite = calloc(1, sizeof(TestSuite)); + assert(suite != NULL); + + suite->out = tmpfile(); + assert(suite->out != NULL); + + return suite; +} + +void addNamedTest(const char* name, TestCase* test) { + TestSuite* testSuite = getTestSuite(); + assert(testSuite->size <= MAX_TESTS); + + int index = testSuite->size; + testSuite->testNames[index] = name; + testSuite->tests[index] = test; + + testSuite->size++; +} + +/** Prints failures to stderr. */ +static void printFailures(int failures) { + TestSuite* suite = getTestSuite(); + + fprintf(stderr, "FAILURE! %d of %d tests failed. Failures:\n", + failures, suite->size); + + // Copy test output to stdout. + rewind(suite->out); + char buffer[512]; + size_t read; + while ((read = fread(buffer, sizeof(char), 512, suite->out)) > 0) { + // TODO: Make sure we actually wrote 'read' bytes. + fwrite(buffer, sizeof(char), read, stderr); + } +} + +/** Runs a single test case. */ +static int runCurrentTest() { + TestSuite* suite = getTestSuite(); + + pid_t pid = fork(); + if (pid == 0) { + // Child process. Runs test case. + suite->tests[suite->currentTest](); + + // Exit successfully. + exit(0); + } else if (pid < 0) { + fprintf(stderr, "Fork failed."); + exit(1); + } else { + // Parent process. Wait for child. + int status; + waitpid(pid, &status, 0); + + if (!WIFEXITED(status)) { + return -1; + } + + return WEXITSTATUS(status); + } +} + +void runTests() { + TestSuite* suite = getTestSuite(); + + int failures = 0; + for (suite->currentTest = 0; suite->currentTest < suite->size; + suite->currentTest++) { + // Flush stdout before forking. + fflush(stdout); + + int result = runCurrentTest(); + + if (result != 0) { + printf("X"); + + failures++; + + // Handle errors other than assertions. + if (result != ASSERTION_ERROR) { + // TODO: Report file name. + fprintf(suite->out, "Process failed: [%s] status: %d\n", + suite->testNames[suite->currentTest], result); + fflush(suite->out); + } + } else { + printf("."); + } + } + + printf("\n"); + + if (failures > 0) { + printFailures(failures); + } else { + printf("SUCCESS! %d tests ran successfully.\n", suite->size); + } +} + +void assertTrueWithSource(int value, const char* file, int line, char* message) { + if (!value) { + TestSuite* suite = getTestSuite(); + + fprintf(suite->out, "Assertion failed: [%s:%d] %s: %s\n", file, line, + suite->testNames[suite->currentTest], message); + fflush(suite->out); + + // Exit the process for this test case. + exit(ASSERTION_ERROR); + } +} |