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#include "prefix_tree.hh"
#include <gtest/gtest.h>
TEST(prefix_tree, empty) {
auto builder = prefix_tree::builder();
auto tree = builder->build();
ASSERT_TRUE(tree.has_value());
auto ret = prefix_tree::lookup(tree.value(), "");
EXPECT_FALSE(ret.has_value());
ret = prefix_tree::lookup(tree.value(), "foo");
EXPECT_FALSE(ret.has_value());
}
TEST(prefix_tree, sanity) {
auto builder = prefix_tree::builder();
builder->add("foo");
builder->add("bar");
builder->add("foobar");
auto tree = builder->build();
ASSERT_TRUE(tree.has_value());
auto ret = prefix_tree::lookup(tree.value(), "");
EXPECT_FALSE(ret.has_value());
ret = prefix_tree::lookup(tree.value(), "foo");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "foobar");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(6, ret.value());
ret = prefix_tree::lookup(tree.value(), "bar");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "ba");
EXPECT_FALSE(ret.has_value());
ret = prefix_tree::lookup(tree.value(), "barf");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "foob");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "foozum");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
ret = prefix_tree::lookup(tree.value(), "barfoo");
ASSERT_TRUE(ret.has_value());
EXPECT_EQ(3, ret.value());
}
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