[PATCH v8 1/2] comctl32/tests: Add tests for progress bar states.

[Jacob Czekalla]

From: Jacob Czekalla

---
 dlls/comctl32/tests/progress.c | 99 +++++++++++++++++++++++++++++++++-
 1 file changed, 97 insertions(+), 2 deletions(-)

diff --git a/dlls/comctl32/tests/progress.c b/dlls/comctl32/tests/progress.c
index b6716366498..5660d915f46 100644
--- a/dlls/comctl32/tests/progress.c
+++ b/dlls/comctl32/tests/progress.c
@@ -23,16 +23,26 @@
 #include "winbase.h"
 #include "wingdi.h"
 #include "winuser.h"
-#include "commctrl.h" 
+#include "commctrl.h"
+#include "vssym32.h"

#include "wine/test.h"
-
 #include "v6util.h"
+#include "msg.h"

static HWND hProgressParentWnd;
 static const char progressTestClass[] = "ProgressBarTestClass";
 static BOOL (WINAPI *pInitCommonControlsEx)(const INITCOMMONCONTROLSEX*);

+/* For message tests */
+enum seq_index
+{
+    CHILD_SEQ_INDEX,
+    NUM_MSG_SEQUENCES
+};
+
+static struct msg_sequence *sequences[NUM_MSG_SEQUENCES];
+
 static HWND create_progress(DWORD style)
 {
     return CreateWindowExA(0, PROGRESS_CLASSA, "", WS_VISIBLE | style,
@@ -308,6 +318,89 @@ static void test_PBM_STEPIT(void)
     }
 }

+static WNDPROC old_proc;
+
+static const struct message paint_pbm_setstate_seq[] =
+{
+    {PBM_SETSTATE, sent},
+    {WM_PAINT, sent},
+    {WM_ERASEBKGND, sent | defwinproc},
+    {0}
+};
+
+static const struct message pbm_setstate_seq[] =
+{
+    {PBM_SETSTATE, sent},
+    {0}
+};
+
+static LRESULT WINAPI test_pbm_setstate_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
+{
+    static int defwndproc_counter = 0;
+    struct message msg = {0};
+    LRESULT ret;
+
+    if (message == PBM_SETSTATE
+        || message == WM_PAINT
+        || message == WM_ERASEBKGND)
+    {
+        msg.message = message;
+        msg.flags = sent | wparam | lparam;
+        if (defwndproc_counter)
+            msg.flags |= defwinproc;
+        msg.wParam = wp;
+        msg.lParam = lp;
+        add_message(sequences, CHILD_SEQ_INDEX, &msg);
+    }
+
+    ++defwndproc_counter;
+    ret = CallWindowProcA(old_proc, hwnd, message, wp, lp);
+    --defwndproc_counter;
+    return ret;
+}
+
+void test_bar_states(void)
+{
+    HWND progress_bar;
+    int state;
+
+    static const struct
+    {
+        DWORD state;
+        DWORD previous_state;
+        const struct message *expected_seq;
+        BOOL error;
+    }
+    tests[] =
+    {
+        {0, PBST_NORMAL, pbm_setstate_seq, 1},
+        {PBST_NORMAL, PBST_NORMAL, pbm_setstate_seq, 0},
+        {PBST_PAUSED, PBST_NORMAL, paint_pbm_setstate_seq, 0},
+        {PBST_PAUSED, PBST_PAUSED, pbm_setstate_seq, 0},
+        {PBST_ERROR, PBST_PAUSED, paint_pbm_setstate_seq, 0},
+        {PBST_ERROR, PBST_ERROR, pbm_setstate_seq, 0},
+        {PBFS_PARTIAL, PBST_ERROR, pbm_setstate_seq, 1}
+    };
+
+    progress_bar = create_progress(0);
+
+    old_proc = (WNDPROC)SetWindowLongPtrA(progress_bar, GWLP_WNDPROC, (LONG_PTR)test_pbm_setstate_proc);
+    flush_events();
+    flush_sequences(sequences, NUM_MSG_SEQUENCES);
+
+    for (int i = 0; i < ARRAY_SIZE(tests); i++)
+    {
+        state = SendMessageA(progress_bar, PBM_SETSTATE, tests[i].state, 0);
+        flush_events();
+        ok_sequence(sequences, CHILD_SEQ_INDEX, tests[i].expected_seq, "PBM_SETSTATE", TRUE);
+        todo_wine ok(state == (tests[i].error ? 0 : tests[i].previous_state), "Expected %ld, but got %d.\n", tests[i].previous_state, state);
+        state = SendMessageA(progress_bar, PBM_GETSTATE, 0, 0);
+        todo_wine ok(state == (tests[i].error ? tests[i].previous_state : tests[i].state), "Expected %ld, but got %d.\n", tests[i].state, state);
+    }
+
+    DestroyWindow(progress_bar);
+}
+
 static void init_functions(void)
 {
     HMODULE hComCtl32 = LoadLibraryA("comctl32.dll");
@@ -337,9 +430,11 @@ START_TEST(progress)

if (!load_v6_module(&ctx_cookie, &hCtx))
         return;
+    init_msg_sequences(sequences, NUM_MSG_SEQUENCES);

test_setcolors();
     test_PBM_STEPIT();
+    test_bar_states();

unload_v6_module(ctx_cookie, hCtx);