Expand QCMS tests. Add Munsell test for transform accuracy

third_party/qcms/src/tests/qcms_test_main.c

Index: third_party/qcms/src/tests/qcms_test_main.c
diff --git a/third_party/qcms/src/tests/qcms_test_main.c b/third_party/qcms/src/tests/qcms_test_main.c
new file mode 100644
index 0000000000000000000000000000000000000000..3c8aa43ddfcbb4df702a409e21dc272e0dbd1a0e
--- /dev/null
+++ b/third_party/qcms/src/tests/qcms_test_main.c
@@ -0,0 +1,134 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the Chromium LICENSE file.
+
+#include "qcms.h"
+#include "qcms_test_util.h"
+#include "timing.h"
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// Manually update the items below to add more tests.
+extern struct qcms_test_case qcms_test_tetra_clut_rgba_info;
+extern struct qcms_test_case qcms_test_munsell_info;
+
+struct qcms_test_case qcms_test[2];
+#define TEST_CASES    (sizeof(qcms_test) / sizeof(qcms_test[0]))
+
+static void initialize_tests()
+{
+    qcms_test[0] = qcms_test_tetra_clut_rgba_info;
+    qcms_test[1] = qcms_test_munsell_info;
+}
+
+static void list_tests()
+{
+    int i;
+    printf("Available qcms tests:\n");
+        
+    for (i = 0; i < TEST_CASES; ++i) {
+        printf("\t%s\n", qcms_test[i].test_name);
+    }
+
+    exit(1);
+}
+
+static void print_usage()
+{
+    printf("Usage:\n\tqcms_test -w WIDTH -h HEIGHT -n ITERATIONS -t TEST\n");
+    printf("\t-w INT\t\ttest image width\n");
+    printf("\t-h INT\t\ttest image height\n");
+    printf("\t-n INT\t\tnumber of iterations for each test\n");
+    printf("\t-a\t\trun all tests\n");
+    printf("\t-l\t\tlist available tests\n");
+    printf("\t-s \t\tforce software(non-sse) transform function, where available\n");
+    printf("\t-i STRING\tspecify input icc color profile\n");
+    printf("\t-o STRING\tspecify output icc color profile\n");
+    printf("\t-t STRING\trun specific test - use \"-l\" to list possible values\n");
+    printf("\n");
+    exit(1);
+}
+
+int enable_test(const char *args)
+{
+    int i;
+
+    if (!args)
+        return 0;
+        
+    for (i = 0; i < TEST_CASES; ++i) {
+        if (strcmp(qcms_test[i].test_name, args) == 0) {
+            qcms_test[i].status = QCMS_TEST_ENABLED;
+            return 1;
+        }
+    }
+
+    return 0;
+}
+
+void generate_source_uint8_t(unsigned char *src, const size_t length, const size_t pixel_size)
+{
+    size_t bytes = length * pixel_size;
+    size_t i;
+
+    for (i = 0; i < bytes; ++i) {
+        *src++ = rand() & 255;
+    }
+}
+
+int main(int argc, const char **argv)
+{
+    int iterations = 1;
+    size_t height = 2000;
+    size_t width = 2000;
+    int run_all = 0;
+    const char *in = NULL, *out = NULL;
+    int force_software = 0;
+    int exit_status;
+    int enabled_tests = 0;
+    int i;
+
+    initialize_tests();
+
+    if (argc == 1) {
+        print_usage();
+    }
+
+    while (argc > 1) {
+        if (strcmp(argv[1], "-n") == 0)
+            iterations = abs(atoi(argv[2]));
+        else if (strcmp(argv[1], "-w") == 0)
+            width = (size_t) abs(atoi(argv[2]));
+        else if (strcmp(argv[1], "-h") == 0)
+            height = (size_t) abs(atoi(argv[2]));
+        else if (strcmp(argv[1], "-l") == 0)
+            list_tests();
+        else if (strcmp(argv[1], "-t") == 0)
+            enabled_tests += enable_test(argv[2]);
+        else if (strcmp(argv[1], "-a") == 0)
+            run_all = 1;
+        else if (strcmp(argv[1], "-i") == 0)
+            in = argv[2];
+        else if (strcmp(argv[1], "-o") == 0)
+            out = argv[2];
+        else if (strcmp(argv[1], "-s") == 0)
+            force_software = 1;
+        (--argc, ++argv);
+    }
+
+    if (!run_all && !enabled_tests) {
+        print_usage();
+    }
+
+    exit_status = 0;
+
+    for (i = 0; i < TEST_CASES; ++i) {
+        if (run_all || QCMS_TEST_ENABLED == qcms_test[i].status)
+            exit_status += qcms_test[i].test_fn(width, height, iterations, in, out, force_software);
+    }
+
+    return exit_status;
+}