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-rw-r--r--src/util/meson.build1
-rw-r--r--src/util/tests/vector/meson.build30
-rw-r--r--src/util/tests/vector/vector_test.cpp101
-rw-r--r--src/util/u_vector.h11
4 files changed, 141 insertions, 2 deletions
diff --git a/src/util/meson.build b/src/util/meson.build
index 3d9cb1bc7bd..0a3ad64d4ac 100644
--- a/src/util/meson.build
+++ b/src/util/meson.build
@@ -288,4 +288,5 @@ if with_tests
subdir('tests/set')
subdir('tests/sparse_array')
subdir('tests/format')
+ subdir('tests/vector')
endif
diff --git a/src/util/tests/vector/meson.build b/src/util/tests/vector/meson.build
new file mode 100644
index 00000000000..d05abc6338b
--- /dev/null
+++ b/src/util/tests/vector/meson.build
@@ -0,0 +1,30 @@
+# Copyright © 2020 Google, LLC
+
+# 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 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(
+ 'vector',
+ executable(
+ 'vector_test',
+ 'vector_test.cpp',
+ dependencies : [idep_gtest, idep_mesautil],
+ include_directories : inc_common,
+ ),
+ suite : ['util'],
+)
diff --git a/src/util/tests/vector/vector_test.cpp b/src/util/tests/vector/vector_test.cpp
new file mode 100644
index 00000000000..aa7ca2bbf94
--- /dev/null
+++ b/src/util/tests/vector/vector_test.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright © 2019 Google, LLC
+ *
+ * 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.
+ */
+
+#include "util/u_vector.h"
+#include "gtest/gtest.h"
+
+static void test(uint32_t size_in_elements, uint32_t elements_to_walk, uint32_t start)
+{
+ struct u_vector vector;
+ uint32_t add_counter = 0;
+ uint32_t remove_counter = 0;
+
+ ASSERT_TRUE(u_vector_init(&vector, sizeof(uint64_t), sizeof(uint64_t) * size_in_elements));
+
+ // Override the head and tail so we can quickly test rollover
+ vector.head = vector.tail = start;
+
+ EXPECT_EQ(sizeof(uint64_t) * size_in_elements, vector.size);
+ EXPECT_EQ(0, u_vector_length(&vector));
+
+ for (uint32_t i = 0; i < size_in_elements; i++) {
+ *(uint64_t*)u_vector_add(&vector) = add_counter++;
+
+ int length = u_vector_length(&vector);
+ EXPECT_EQ(i + 1, length);
+
+ // Check the entries
+ uint32_t count = 0;
+ void* element;
+ u_vector_foreach(element, &vector)
+ {
+ EXPECT_EQ(count, *(uint64_t*)element) << "i: " << i << " count: " << count;
+ count++;
+ }
+ EXPECT_EQ(count, length);
+ }
+
+ // Remove + add
+ for (uint32_t i = 0; i < elements_to_walk; i++) {
+ u_vector_remove(&vector);
+ remove_counter++;
+ *(uint64_t*)u_vector_add(&vector) = add_counter++;
+ }
+
+ EXPECT_EQ(sizeof(uint64_t) * size_in_elements, vector.size);
+
+ // Grow the vector now
+ *(uint64_t*)u_vector_add(&vector) = add_counter++;
+ EXPECT_EQ(size_in_elements + 1, u_vector_length(&vector));
+
+ EXPECT_EQ(sizeof(uint64_t) * size_in_elements * 2, vector.size);
+
+ {
+ uint32_t count = remove_counter;
+ void* element;
+ u_vector_foreach(element, &vector)
+ {
+ EXPECT_EQ(count++, *(uint64_t*)element) << "count: " << count;
+ }
+ }
+
+ u_vector_finish(&vector);
+}
+
+TEST(Vector, Grow0) { test(4, 0, 0); }
+
+TEST(Vector, Grow1) { test(4, 1, 0); }
+
+TEST(Vector, Grow2) { test(4, 2, 0); }
+
+TEST(Vector, Grow3) { test(4, 3, 0); }
+
+TEST(Vector, Grow4) { test(4, 4, 0); }
+
+TEST(Vector, Grow5) { test(4, 5, 0); }
+
+TEST(Vector, Rollover)
+{
+ uint32_t start = (1ull << 32) - 4 * sizeof(uint64_t);
+ test(8, 4, start);
+}
diff --git a/src/util/u_vector.h b/src/util/u_vector.h
index 95f35c59c7d..8edd63895a6 100644
--- a/src/util/u_vector.h
+++ b/src/util/u_vector.h
@@ -33,6 +33,10 @@
#include <stdlib.h>
#include "util/macros.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* TODO - move to u_math.h - name it better etc */
static inline uint32_t
u_align_u32(uint32_t v, uint32_t a)
@@ -80,16 +84,19 @@ u_vector_finish(struct u_vector *queue)
free(queue->data);
}
-#ifndef __GNUC__
+#if !defined(__GNUC__) || defined(__cplusplus)
#define __builtin_types_compatible_p(t1, t2) 1
#endif
#define u_vector_foreach(elem, queue) \
STATIC_ASSERT(__builtin_types_compatible_p(__typeof__(queue), struct u_vector *)); \
for (uint32_t __u_vector_offset = (queue)->tail; \
- elem = (void *)((char *)(queue)->data + (__u_vector_offset & ((queue)->size - 1))), __u_vector_offset < (queue)->head; \
+ elem = (void *)((char *)(queue)->data + (__u_vector_offset & ((queue)->size - 1))), __u_vector_offset != (queue)->head; \
__u_vector_offset += (queue)->element_size)
+#ifdef __cplusplus
+}
+#endif
#endif