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      1 // Copyright 2018 Google Inc. All rights reserved.
      2 //
      3 // Licensed under the Apache License, Version 2.0 (the "License");
      4 // you may not use this file except in compliance with the License.
      5 // You may obtain a copy of the License at
      6 //
      7 //     http://www.apache.org/licenses/LICENSE-2.0
      8 //
      9 // Unless required by applicable law or agreed to in writing, software
     10 // distributed under the License is distributed on an "AS IS" BASIS,
     11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 // See the License for the specific language governing permissions and
     13 // limitations under the License.
     14 
     15 package main
     16 
     17 import (
     18 	"strconv"
     19 	"testing"
     20 )
     21 
     22 func TestElfSymbolTable(t *testing.T) {
     23 	testCases := []struct {
     24 		file         *mockElfFile
     25 		symbol       string
     26 		offset, size uint64
     27 	}{
     28 		{
     29 			file:   elfSymbolTable1,
     30 			symbol: "soong_build_number",
     31 			offset: 0x1030,
     32 			size:   128,
     33 		},
     34 		{
     35 			file:   elfSymbolTable2,
     36 			symbol: "symbol1",
     37 			offset: 0x1030,
     38 			size:   128,
     39 		},
     40 		{
     41 			file:   elfSymbolTable2,
     42 			symbol: "symbol2",
     43 			offset: 0x10b0,
     44 			size:   128,
     45 		},
     46 	}
     47 
     48 	for i, testCase := range testCases {
     49 		t.Run(strconv.Itoa(i), func(t *testing.T) {
     50 			file, err := extractElfSymbols(testCase.file)
     51 			if err != nil {
     52 				t.Error(err.Error())
     53 			}
     54 			offset, size, err := findSymbol(file, testCase.symbol)
     55 			if err != nil {
     56 				t.Error(err.Error())
     57 			}
     58 			if offset != testCase.offset || size != testCase.size {
     59 				t.Errorf("expected %x:%x, got %x:%x", testCase.offset, testCase.size, offset, size)
     60 			}
     61 		})
     62 	}
     63 }
     64