Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/wasm/switch-logic.h" |
| 6 | #include "test/unittests/test-utils.h" |
| 7 | |
| 8 | namespace v8 { |
| 9 | namespace internal { |
| 10 | namespace wasm { |
| 11 | class SwitchLogicTest : public TestWithZone {}; |
| 12 | |
| 13 | void CheckNodeValues(CaseNode* node, int begin, int end) { |
| 14 | CHECK_EQ(node->begin, begin); |
| 15 | CHECK_EQ(node->end, end); |
| 16 | } |
| 17 | |
| 18 | TEST_F(SwitchLogicTest, Single_Table_Test) { |
| 19 | ZoneVector<int> values(zone()); |
| 20 | values.push_back(14); |
| 21 | values.push_back(12); |
| 22 | values.push_back(15); |
| 23 | values.push_back(19); |
| 24 | values.push_back(18); |
| 25 | values.push_back(16); |
| 26 | CaseNode* root = OrderCases(&values, zone()); |
| 27 | CHECK_NULL(root->left); |
| 28 | CHECK_NULL(root->right); |
| 29 | CheckNodeValues(root, 12, 19); |
| 30 | } |
| 31 | |
| 32 | TEST_F(SwitchLogicTest, Balanced_Tree_Test) { |
| 33 | ZoneVector<int> values(zone()); |
| 34 | values.push_back(5); |
| 35 | values.push_back(1); |
| 36 | values.push_back(6); |
| 37 | values.push_back(9); |
| 38 | values.push_back(-4); |
| 39 | CaseNode* root = OrderCases(&values, zone()); |
| 40 | CheckNodeValues(root, 5, 5); |
| 41 | CheckNodeValues(root->left, -4, -4); |
| 42 | CHECK_NULL(root->left->left); |
| 43 | CheckNodeValues(root->left->right, 1, 1); |
| 44 | CHECK_NULL(root->left->right->left); |
| 45 | CHECK_NULL(root->left->right->right); |
| 46 | CheckNodeValues(root->right, 6, 6); |
| 47 | CHECK_NULL(root->right->left); |
| 48 | CheckNodeValues(root->right->right, 9, 9); |
| 49 | CHECK_NULL(root->right->right->left); |
| 50 | CHECK_NULL(root->right->right->right); |
| 51 | } |
| 52 | |
| 53 | TEST_F(SwitchLogicTest, Hybrid_Test) { |
| 54 | ZoneVector<int> values(zone()); |
| 55 | values.push_back(1); |
| 56 | values.push_back(2); |
| 57 | values.push_back(3); |
| 58 | values.push_back(4); |
| 59 | values.push_back(7); |
| 60 | values.push_back(10); |
| 61 | values.push_back(11); |
| 62 | values.push_back(12); |
| 63 | values.push_back(13); |
| 64 | values.push_back(16); |
| 65 | CaseNode* root = OrderCases(&values, zone()); |
| 66 | CheckNodeValues(root, 7, 7); |
| 67 | CheckNodeValues(root->left, 1, 4); |
| 68 | CheckNodeValues(root->right, 10, 13); |
| 69 | CheckNodeValues(root->right->right, 16, 16); |
| 70 | } |
| 71 | |
| 72 | TEST_F(SwitchLogicTest, Single_Case) { |
| 73 | ZoneVector<int> values(zone()); |
| 74 | values.push_back(3); |
| 75 | CaseNode* root = OrderCases(&values, zone()); |
| 76 | CheckNodeValues(root, 3, 3); |
| 77 | CHECK_NULL(root->left); |
| 78 | CHECK_NULL(root->right); |
| 79 | } |
| 80 | |
| 81 | TEST_F(SwitchLogicTest, Empty_Case) { |
| 82 | ZoneVector<int> values(zone()); |
| 83 | CaseNode* root = OrderCases(&values, zone()); |
| 84 | CHECK_NULL(root); |
| 85 | } |
| 86 | |
| 87 | } // namespace wasm |
| 88 | } // namespace internal |
| 89 | } // namespace v8 |