cover.go

     1  // Copyright 2013 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Support for test coverage.
     6  
     7  package testing
     8  
     9  // CoverBlock records the coverage data for a single basic block.
    10  // The fields are 1-indexed, as in an editor: The opening line of
    11  // the file is number 1, for example. Columns are measured
    12  // in bytes.
    13  // NOTE: This struct is internal to the testing infrastructure and may change.
    14  // It is not covered (yet) by the Go 1 compatibility guidelines.
    15  type CoverBlock struct {
    16  	Line0 uint32 // Line number for block start.
    17  	Col0  uint16 // Column number for block start.
    18  	Line1 uint32 // Line number for block end.
    19  	Col1  uint16 // Column number for block end.
    20  	Stmts uint16 // Number of statements included in this block.
    21  }
    22  
    23  // Cover records information about test coverage checking.
    24  // NOTE: This struct is internal to the testing infrastructure and may change.
    25  // It is not covered (yet) by the Go 1 compatibility guidelines.
    26  type Cover struct {
    27  	Mode            string
    28  	Counters        map[string][]uint32
    29  	Blocks          map[string][]CoverBlock
    30  	CoveredPackages string
    31  }
    32  
    33  // RegisterCover records the coverage data accumulators for the tests.
    34  // NOTE: This function is internal to the testing infrastructure and may change.
    35  // It is not covered (yet) by the Go 1 compatibility guidelines.
    36  func RegisterCover(c Cover) {
    37  }
    38
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