test: Add simple test cases for functions in src/CursorName.c

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

2 files changed, 143 insertions, 1 deletions

diff --git a/test/CursorName.c b/test/CursorName.c
new file mode 100644
index 0000000..a3f8aae
--- /dev/null
+++ b/test/CursorName.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2023, Oracle and/or its affiliates.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/* Test code for XmuCursorNameToIndex() in src/CursorName.c */
+#include "config.h"
+#include <X11/Xmu/CurUtil.h>
+#include <X11/Xmu/CharSet.h>
+#include <glib.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define SKIP_WHITESPACE(p)  while (isspace(*p)) p++
+
+/* Looks up each entry from <X11/cursorfont.h> to verify value returned */
+static void
+test_CursorNameToIndex_goodnames(void)
+{
+    FILE *cursorfont;
+    char line[256];
+    int cursorschecked = 0;
+    int cursorsexpected = 0;
+
+    cursorfont = fopen("/usr/include/X11/cursorfont.h", "r");
+    if (cursorfont == NULL) {
+        g_test_skip("Could not open /usr/include/X11/cursorfont.h");
+        return;
+    }
+
+    while (fgets(line, sizeof(line), cursorfont) != NULL) {
+        char *p = line;
+
+        /* skip lines that don't start with "#define" */
+        if (strncmp(p, "#define", 7) != 0)
+            continue;
+        else
+            p += 7;
+
+        /* skip over whitespace after #define */
+        SKIP_WHITESPACE(p);
+
+        /* skip #define _X11_CURSORFONT_H_ */
+        if (strncmp(p, "XC_", 3) != 0)
+            continue;
+        else
+            p += 3;
+
+        if (strncmp(p, "num_glyphs", 10) == 0) {
+            /* Use #define XC_num_glyphs to record the number we expect */
+            g_assert_cmpint(cursorsexpected, ==, 0);
+            p += strlen("num_glyphs");
+            SKIP_WHITESPACE(p);
+            cursorsexpected = (int) strtol(p, NULL, 0) / 2;
+            g_test_message("cursors expected = %d", cursorsexpected);
+            continue;
+        }
+        else {
+            /* Should be a cursor name then */
+            char *name = p;
+            int expected_id, returned_id;
+            char upper_name[32];
+
+            while (!isspace(*p))
+                p++;
+            *p++ = '\0';
+            SKIP_WHITESPACE(p);
+            expected_id = (int) strtol(p, NULL, 0);
+
+            g_test_message("%s = %d", name, expected_id);
+
+            returned_id = XmuCursorNameToIndex(name);
+            g_assert_cmpint(returned_id, ==, expected_id);
+
+            XmuNCopyISOLatin1Uppered(upper_name, name, sizeof(upper_name));
+            returned_id = XmuCursorNameToIndex(upper_name);
+            g_assert_cmpint(returned_id, ==, expected_id);
+
+            cursorschecked++;
+        }
+    }
+
+    fclose(cursorfont);
+
+    g_assert_cmpint(cursorschecked, ==, cursorsexpected);
+}
+
+static void
+test_CursorNameToIndex_badnames(void)
+{
+    const char *badnames[] = {
+        "does-not-exist",
+        "starts-with-a-good-name", /* starts with "star" */
+        "num_glyphs",
+        ""
+    };
+#define NUM_BAD_NAMES (sizeof(badnames) / sizeof(badnames[0]))
+
+    for (unsigned int i = 0; i < NUM_BAD_NAMES; i++) {
+        int returned_id = XmuCursorNameToIndex(badnames[i]);
+        g_test_message("%s", badnames[i]);
+        g_assert_cmpint(returned_id, ==, -1);
+    }
+}
+
+int
+main(int argc, char** argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    g_test_bug_base(PACKAGE_BUGREPORT);
+
+    g_test_add_func("/CursorName/XmuCursorNameToIndex/good-names",
+                    test_CursorNameToIndex_goodnames);
+
+    g_test_add_func("/CursorName/XmuCursorNameToIndex/bad-names",
+                    test_CursorNameToIndex_badnames);
+
+    return g_test_run();
+}
diff --git a/test/Makefile.am b/test/Makefile.am
index 5af50d1..75b95cb 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -30,7 +30,7 @@ AM_CFLAGS = $(CWARNFLAGS) $(XMU_CFLAGS) $(GLIB_CFLAGS)
 XMU_TEST_LIBS  = ${top_builddir}/src/libXmu.la $(XMU_LIBS) $(GLIB_LIBS)
 XMUU_TEST_LIBS = ${top_builddir}/src/libXmuu.la $(XMUU_LIBS) $(GLIB_LIBS)
 
-check_PROGRAMS = EditResStream ReadBitmapData
+check_PROGRAMS = CursorName EditResStream ReadBitmapData
 TESTS = $(check_PROGRAMS)
 
 TESTS_ENVIRONMENT = $(MALLOC_DEBUG_ENV)
@@ -41,6 +41,9 @@ LOG_DRIVER = env AM_TAP_AWK='$(AWK)' $(SHELL) \
                   $(top_srcdir)/tap-driver.sh
 LOG_COMPILER = $(srcdir)/tap-test
 
+CursorName_SOURCES = CursorName.c
+CursorName_LDADD = $(XMUU_TEST_LIBS)
+
 EditResStream_SOURCES = EditResStream.c
 EditResStream_LDADD = $(XMU_TEST_LIBS)