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AK: Add a FixedArray<T> container

This is a simple array wrapper that knows its size. It has begin/end
so you can use range-for. It also has a resize() that reallocates.
This commit is contained in:
Andreas Kling 2019-08-07 20:05:36 +02:00
parent 6bdb81ad87
commit 5096eaa845
3 changed files with 144 additions and 3 deletions

View file

@ -1,4 +1,4 @@
PROGRAMS = TestString TestQueue TestVector TestHashMap TestJSON TestWeakPtr TestNonnullRefPtr TestRefPtr
PROGRAMS = TestString TestQueue TestVector TestHashMap TestJSON TestWeakPtr TestNonnullRefPtr TestRefPtr TestFixedArray
CXXFLAGS = -std=c++17 -Wall -Wextra -ggdb3 -O2 -I../ -I../../
@ -32,10 +32,13 @@ TestQueue: TestQueue.o $(SHARED_TEST_OBJS)
TestVector: TestVector.o $(SHARED_TEST_OBJS)
$(PRE_CXX) $(CXX) $(CXXFLAGS) -o $@ TestVector.o $(SHARED_TEST_OBJS)
#
TestFixedArray: TestFixedArray.o $(SHARED_TEST_OBJS)
$(PRE_CXX) $(CXX) $(CXXFLAGS) -o $@ TestFixedArray.o $(SHARED_TEST_OBJS)
TestHashMap: TestHashMap.o $(SHARED_TEST_OBJS)
$(PRE_CXX) $(CXX) $(CXXFLAGS) -o $@ TestHashMap.o $(SHARED_TEST_OBJS)
#
TestJSON: TestJSON.o $(SHARED_TEST_OBJS)
$(PRE_CXX) $(CXX) $(CXXFLAGS) -o $@ TestJSON.o $(SHARED_TEST_OBJS)

View file

@ -0,0 +1,55 @@
#include <AK/TestSuite.h>
#include <AK/AKString.h>
#include <AK/FixedArray.h>
TEST_CASE(construct)
{
EXPECT(FixedArray<int>().size() == 0);
}
TEST_CASE(ints)
{
FixedArray<int> ints(3);
ints[0] = 0;
ints[1] = 1;
ints[2] = 2;
EXPECT_EQ(ints[0], 0);
EXPECT_EQ(ints[1], 1);
EXPECT_EQ(ints[2], 2);
ints.clear();
EXPECT_EQ(ints.size(), 0u);
}
TEST_CASE(resize)
{
FixedArray<String> strings(2);
strings[0] = "ABC";
strings[1] = "DEF";
EXPECT_EQ(strings.size(), 2u);
EXPECT_EQ(strings[0], "ABC");
EXPECT_EQ(strings[1], "DEF");
strings.resize(4);
EXPECT_EQ(strings.size(), 4u);
EXPECT_EQ(strings[0], "ABC");
EXPECT_EQ(strings[1], "DEF");
EXPECT_EQ(strings[2].is_null(), true);
EXPECT_EQ(strings[3].is_null(), true);
strings[2] = "GHI";
strings[3] = "JKL";
EXPECT_EQ(strings[2], "GHI");
EXPECT_EQ(strings[3], "JKL");
strings.resize(1);
EXPECT_EQ(strings.size(), 1u);
EXPECT_EQ(strings[0], "ABC");
}
TEST_MAIN(FixedArray)