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// Copyright 2011 Google Inc. All Rights Reserved.
//
// 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.
//
// Author: jdtang@google.com (Jonathan Tang)
#include "vector.h"
#include <stdlib.h>
#include <string.h>
#include "gtest/gtest.h"
#include "test_utils.h"
namespace {
class GumboVectorTest : public GumboTest {
protected:
GumboVectorTest()
: one_(1),
two_(2),
three_(3),
num_allocations_(0),
bytes_allocated_(0),
num_deallocations_(0) {
gumbo_vector_init(&parser_, 2, &vector_);
}
~GumboVectorTest() { gumbo_vector_destroy(&parser_, &vector_); }
GumboVector vector_;
// dummy ints that we can use to take addresses of.
int one_;
int two_;
int three_;
// Counters for testing a custom allocator.
int num_allocations_;
int bytes_allocated_;
int num_deallocations_;
static void* custom_gumbo_vector_allocator(void* userdata, size_t num_bytes) {
GumboVectorTest* test = static_cast<GumboVectorTest*>(userdata);
++test->num_allocations_;
test->bytes_allocated_ += num_bytes;
return malloc(num_bytes);
}
static void custom_gumbo_vector_deallocator(void* userdata, void* ptr) {
GumboVectorTest* test = static_cast<GumboVectorTest*>(userdata);
++test->num_deallocations_;
free(ptr);
}
};
TEST_F(GumboVectorTest, Init) {
EXPECT_EQ(0, vector_.length);
EXPECT_EQ(2, vector_.capacity);
}
TEST_F(GumboVectorTest, InitZeroCapacity) {
gumbo_vector_destroy(&parser_, &vector_);
gumbo_vector_init(&parser_, 0, &vector_);
gumbo_vector_add(&parser_, &one_, &vector_);
EXPECT_EQ(1, vector_.length);
EXPECT_EQ(1, *(static_cast<int*>(vector_.data[0])));
}
TEST_F(GumboVectorTest, Add) {
gumbo_vector_add(&parser_, &one_, &vector_);
EXPECT_EQ(1, vector_.length);
EXPECT_EQ(1, *(static_cast<int*>(vector_.data[0])));
EXPECT_EQ(0, gumbo_vector_index_of(&vector_, &one_));
EXPECT_EQ(-1, gumbo_vector_index_of(&vector_, &two_));
}
TEST_F(GumboVectorTest, AddMultiple) {
gumbo_vector_add(&parser_, &one_, &vector_);
gumbo_vector_add(&parser_, &two_, &vector_);
EXPECT_EQ(2, vector_.length);
EXPECT_EQ(2, *(static_cast<int*>(vector_.data[1])));
EXPECT_EQ(1, gumbo_vector_index_of(&vector_, &two_));
}
TEST_F(GumboVectorTest, Realloc) {
gumbo_vector_add(&parser_, &one_, &vector_);
gumbo_vector_add(&parser_, &two_, &vector_);
gumbo_vector_add(&parser_, &three_, &vector_);
EXPECT_EQ(3, vector_.length);
EXPECT_EQ(4, vector_.capacity);
EXPECT_EQ(3, *(static_cast<int*>(vector_.data[2])));
}
TEST_F(GumboVectorTest, Pop) {
gumbo_vector_add(&parser_, &one_, &vector_);
int result = *static_cast<int*>(gumbo_vector_pop(&parser_, &vector_));
EXPECT_EQ(1, result);
EXPECT_EQ(0, vector_.length);
}
TEST_F(GumboVectorTest, PopEmpty) {
EXPECT_EQ(NULL, gumbo_vector_pop(&parser_, &vector_));
}
TEST_F(GumboVectorTest, InsertAtFirst) {
gumbo_vector_add(&parser_, &one_, &vector_);
gumbo_vector_add(&parser_, &two_, &vector_);
gumbo_vector_insert_at(&parser_, &three_, 0, &vector_);
EXPECT_EQ(3, vector_.length);
int result = *static_cast<int*>(vector_.data[0]);
EXPECT_EQ(3, result);
}
TEST_F(GumboVectorTest, InsertAtLast) {
gumbo_vector_add(&parser_, &one_, &vector_);
gumbo_vector_add(&parser_, &two_, &vector_);
gumbo_vector_insert_at(&parser_, &three_, 2, &vector_);
EXPECT_EQ(3, vector_.length);
int result = *static_cast<int*>(vector_.data[2]);
EXPECT_EQ(3, result);
}
TEST_F(GumboVectorTest, Remove) {
gumbo_vector_add(&parser_, &one_, &vector_);
gumbo_vector_add(&parser_, &two_, &vector_);
gumbo_vector_add(&parser_, &three_, &vector_);
gumbo_vector_remove(&parser_, &two_, &vector_);
EXPECT_EQ(2, vector_.length);
int three = *static_cast<int*>(vector_.data[1]);
EXPECT_EQ(3, three);
}
TEST_F(GumboVectorTest, RemoveAt) {
gumbo_vector_add(&parser_, &one_, &vector_);
gumbo_vector_add(&parser_, &two_, &vector_);
gumbo_vector_add(&parser_, &three_, &vector_);
int result =
*static_cast<int*>(gumbo_vector_remove_at(&parser_, 1, &vector_));
EXPECT_EQ(2, result);
EXPECT_EQ(2, vector_.length);
int three = *static_cast<int*>(vector_.data[1]);
EXPECT_EQ(3, three);
}
} // namespace
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