90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
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// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/wasm/switch-logic.h"
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#include "test/unittests/test-utils.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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class SwitchLogicTest : public TestWithZone {};
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void CheckNodeValues(CaseNode* node, int begin, int end) {
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CHECK_EQ(node->begin, begin);
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CHECK_EQ(node->end, end);
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}
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TEST_F(SwitchLogicTest, Single_Table_Test) {
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ZoneVector<int> values(zone());
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values.push_back(14);
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values.push_back(12);
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values.push_back(15);
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values.push_back(19);
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values.push_back(18);
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values.push_back(16);
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CaseNode* root = OrderCases(&values, zone());
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CHECK_NULL(root->left);
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CHECK_NULL(root->right);
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CheckNodeValues(root, 12, 19);
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}
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TEST_F(SwitchLogicTest, Balanced_Tree_Test) {
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ZoneVector<int> values(zone());
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values.push_back(5);
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values.push_back(1);
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values.push_back(6);
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values.push_back(9);
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values.push_back(-4);
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CaseNode* root = OrderCases(&values, zone());
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CheckNodeValues(root, 5, 5);
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CheckNodeValues(root->left, -4, -4);
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CHECK_NULL(root->left->left);
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CheckNodeValues(root->left->right, 1, 1);
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CHECK_NULL(root->left->right->left);
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CHECK_NULL(root->left->right->right);
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CheckNodeValues(root->right, 6, 6);
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CHECK_NULL(root->right->left);
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CheckNodeValues(root->right->right, 9, 9);
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CHECK_NULL(root->right->right->left);
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CHECK_NULL(root->right->right->right);
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}
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TEST_F(SwitchLogicTest, Hybrid_Test) {
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ZoneVector<int> values(zone());
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values.push_back(1);
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values.push_back(2);
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values.push_back(3);
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values.push_back(4);
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values.push_back(7);
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values.push_back(10);
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values.push_back(11);
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values.push_back(12);
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values.push_back(13);
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values.push_back(16);
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CaseNode* root = OrderCases(&values, zone());
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CheckNodeValues(root, 7, 7);
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CheckNodeValues(root->left, 1, 4);
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CheckNodeValues(root->right, 10, 13);
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CheckNodeValues(root->right->right, 16, 16);
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}
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TEST_F(SwitchLogicTest, Single_Case) {
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ZoneVector<int> values(zone());
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values.push_back(3);
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CaseNode* root = OrderCases(&values, zone());
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CheckNodeValues(root, 3, 3);
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CHECK_NULL(root->left);
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CHECK_NULL(root->right);
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}
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TEST_F(SwitchLogicTest, Empty_Case) {
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ZoneVector<int> values(zone());
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CaseNode* root = OrderCases(&values, zone());
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CHECK_NULL(root);
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}
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} // namespace wasm
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} // namespace internal
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} // namespace v8
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