Started properly reintegrating the core of noinitwrongthread.c (that is, errors.c).

test/errors.c

@@ -1,6 +1,8 @@
 // 28 may 2019
 #include "test.h"
 
+// Do not put any test cases in this file; they will not be run.
+
 struct checkProgrammerErrorParams {
 	const char *file;
 	long line;
@@ -11,18 +13,26 @@ struct checkProgrammerErrorParams {
 	const char *msgWant;
 };
 
+static char *ourStrdup(struct checkProgrammerErrorParams *p, const char *s)
+{
+	char *t;
+	size_t n;
+
+	n = (strlen(s) + 1) * sizeof (char);
+	t = (char *) malloc(n);
+	if (t == NULL)
+		TestFatalfFull(p->file, p->line, "memory exhausted in ourStrdup() copying %s", s);
+	memcpy(t, s, n);
+	return t;
+}
+
 static void handleProgrammerError(const char *msg, void *data)
 {
 	struct checkProgrammerErrorParams *p = (struct checkProgrammerErrorParams *) data;
 
 	p->caught = true;
 	if (strcmp(msg, p->msgWant) != 0)
-		p->msgGot = testingUtilStrdup(msg);
-}
-
-static void deferResetProgrammerError(testingT *t, void *data)
-{
-	uiprivTestHookReportProgrammerError(NULL, NULL);
+		p->msgGot = ourStrdup(p, msg);
 }
 
 static void checkProgrammerErrorThreadProc(void *data)
@@ -32,38 +42,36 @@ static void checkProgrammerErrorThreadProc(void *data)
 	(*(p->f))();
 }
 
-static void checkProgrammerErrorSubtestImpl(testingT *t, void *data)
+static void checkProgrammerErrorSubtestImpl(struct checkProgrammerErrorParams *p)
 {
-	struct checkProgrammerErrorParams *p = (struct checkProgrammerErrorParams *) data;
-
-	uiprivTestHookReportProgrammerError(handleProgrammerError, p);
-	testingTDefer(t, deferResetProgrammerError, NULL);
 	if (p->inThread) {
 		threadThread *thread;
 		threadSysError err;
 
 		err = threadNewThread(checkProgrammerErrorThreadProc, p, &thread);
 		if (err != 0)
-			testingTFatalfFull(t, p->file, p->line, "error creating thread: " threadSysErrorFmt, threadSysErrorFmtArg(err));
+			// TODO these should only fatal out of the subtest
+			TestFatalfFull(p->file, p->line, "error creating thread: " threadSysErrorFmt, threadSysErrorFmtArg(err));
 		err = threadThreadWaitAndFree(thread);
 		if (err != 0)
-			testingTFatalfFull(t, p->file, p->line, "error waiting for thread to finish: " threadSysErrorFmt, threadSysErrorFmtArg(err));
+			TestFatalfFull(p->file, p->line, "error waiting for thread to finish: " threadSysErrorFmt, threadSysErrorFmtArg(err));
 	} else
 		(*(p->f))();
 	if (!p->caught)
-		testingTErrorfFull(t, p->file, p->line, "did not throw a programmer error; should have");
+		TestErrorfFull(p->file, p->line, "did not throw a programmer error; should have");
 	if (p->msgGot != NULL) {
-		testingTErrorfFull(t, p->file, p->line, "message doesn't match expected string:" diff("%s"),
+		TestErrorfFull(p->file, p->line, "message doesn't match expected string:" diff("%s"),
 			p->msgGot, p->msgWant);
-		testingUtilFreeStrdup(p->msgGot);
+		free(p->msgGot);
 	}
 }
 
-void checkProgrammerErrorsFull(testingT *t, const char *file, long line, const struct checkErrorCase *cases, bool inThread)
+void checkProgrammerErrorsFull(const char *file, long line, const struct checkErrorCase *cases, bool inThread)
 {
 	const struct checkErrorCase *c;
 	struct checkProgrammerErrorParams p;
 
+	uiprivTestHookReportProgrammerError(handleProgrammerError, p);
 	memset(&p, 0, sizeof (struct checkProgrammerErrorParams));
 	p.file = file;
 	p.line = line;
@@ -73,6 +81,8 @@ void checkProgrammerErrorsFull(testingT *t, const char *file, long line, const s
 		p.f = c->f;
 		p.msgGot = NULL;
 		p.msgWant = c->msgWant;
-		testingTRun(t, c->name, checkProgrammerErrorSubtestImpl, &p);
+		// TODO this should be a proper subtest, but we don't have that facility with meson yet
+		checkProgrammerErrorSubtestImpl(&p);
 	}
+	uiprivTestHookReportProgrammerError(NULL, NULL);
 }

test/meson.build

@@ -2,9 +2,11 @@
 
 libui_test_sources = [
 	'initmain.c',
+	'noinitwrongthread.c',
 ]
 
 libui_test_sources_without_cases = [
+	'errors.c',
 	'main.c',
 ]
 if libui_OS == 'windows'

test/test.h

@@ -97,6 +97,16 @@ sharedbitsPrintfFunc(
 
 #define diff(fmt) "\ngot  " fmt "\nwant " fmt
 
+// errors.c
+struct checkErrorCase {
+	const char *name;
+	void (*f)(void);
+	const char *msgWant;
+};
+extern void checkProgrammerErrorsFull(const char *file, long line, const struct checkErrorCase *cases, bool inThread);
+#define checkProgrammerErrors(cases) checkProgrammerErrorsFull(__FILE__, __LINE__, cases, false)
+#define checkProgrammerErrorsInThread(cases) checkProgrammerErrorsFull(__FILE__, __LINE__, cases, true)
+
 #ifdef __cplusplus
 }
 #endif