[Skiboot] [PATCH] Add bitmap test

[Stewart Smith]

The worst test suite ever

Signed-off-by: Stewart Smith <stewart at linux.vnet.ibm.com>
---

This is a crappy test case purely for the purposes of kind of illustrating
how the API works.... it should probably be better, but... well.. so should
all the tests :D

---
 core/test/Makefile.check |  4 ++-
 core/test/run-bitmap.c   | 79 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+), 1 deletion(-)
 create mode 100644 core/test/run-bitmap.c

diff --git a/core/test/Makefile.check b/core/test/Makefile.check
index d3dd260..869eafc 100644
--- a/core/test/Makefile.check
+++ b/core/test/Makefile.check
@@ -1,5 +1,7 @@
 # -*-Makefile-*-
-CORE_TEST := core/test/run-device \
+CORE_TEST := \
+	core/test/run-bitmap \
+	core/test/run-device \
 	core/test/run-flash-subpartition \
 	core/test/run-mem_region \
 	core/test/run-malloc \
diff --git a/core/test/run-bitmap.c b/core/test/run-bitmap.c
new file mode 100644
index 0000000..ceeb7d5
--- /dev/null
+++ b/core/test/run-bitmap.c
@@ -0,0 +1,79 @@
+/* Copyright 2017 IBM Corp.
+ *
+ * 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 "../bitmap.c"
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+int main(void)
+{
+	bitmap_t *map = malloc(sizeof(bitmap_elem_t));
+	memset(map, 0, sizeof(bitmap_elem_t));
+
+	assert(BITMAP_ELEMS(16) == (BITMAP_ELEMS(8)));
+	assert(BITMAP_ELEMS(128) == (BITMAP_ELEMS(64)*2));
+
+	assert(BITMAP_BYTES(64) == 8);
+	assert(BITMAP_BYTES(128) == 16);
+
+	assert(BITMAP_BIT(1) == 0x1);
+	assert(BITMAP_BIT(2) == 0x2);
+	assert(BITMAP_BIT(3) == 0x3);
+	assert(BITMAP_BIT(8) == 0x8);
+
+	assert(BITMAP_MASK(0) == 0x1);
+	assert(BITMAP_MASK(1) == 0x2);
+	assert(BITMAP_MASK(8) == 0x100);
+	assert(BITMAP_MASK(9) == 0x200);
+
+	assert(BITMAP_ELEM(1) == 0);
+	assert(BITMAP_ELEM(128) == BITMAP_ELEMS(128));
+
+	bitmap_set_bit(*map, 0);
+	assert(*(unsigned long*)map == 0x1);
+	assert(bitmap_tst_bit(*map, 0) == true);
+	bitmap_clr_bit(*map, 0);
+	assert(*(unsigned long*)map == 0x00);
+
+	bitmap_set_bit(*map, 8);
+	assert(*(unsigned long*)map == 0x100);
+	assert(bitmap_tst_bit(*map, 0) == false);
+	assert(bitmap_tst_bit(*map, 1) == false);
+	assert(bitmap_tst_bit(*map, 2) == false);
+	assert(bitmap_tst_bit(*map, 3) == false);
+	assert(bitmap_tst_bit(*map, 4) == false);
+	assert(bitmap_tst_bit(*map, 5) == false);
+	assert(bitmap_tst_bit(*map, 6) == false);
+	assert(bitmap_tst_bit(*map, 7) == false);
+	assert(bitmap_tst_bit(*map, 8) == true);
+	assert(bitmap_tst_bit(*map, 9) == false);
+	assert(bitmap_tst_bit(*map, 10) == false);
+	assert(bitmap_tst_bit(*map, 11) == false);
+	assert(bitmap_tst_bit(*map, 12) == false);
+	assert(bitmap_tst_bit(*map, 13) == false);
+	assert(bitmap_tst_bit(*map, 14) == false);
+	assert(bitmap_tst_bit(*map, 15) == false);
+	assert(bitmap_find_one_bit(*map, 0, 16) == 8);
+	bitmap_clr_bit(*map, 8);
+	assert(bitmap_find_one_bit(*map, 0, 16) == -1);
+	assert(*(unsigned long*)map == 0x00);
+	assert(bitmap_tst_bit(*map, 8) == false);
+
+	free(map);
+
+	return 0;
+}
-- 
2.9.3