src/testing/cover.go

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Support for test coverage.

package testing

// CoverBlock records the coverage data for a single basic block.
// The fields are 1-indexed, as in an editor: The opening line of
// the file is number 1, for example. Columns are measured
// in bytes.
// NOTE: This struct is internal to the testing infrastructure and may change.
// It is not covered (yet) by the Go 1 compatibility guidelines.
type CoverBlock struct {
	Line0 uint32 // Line number for block start.
	Col0  uint16 // Column number for block start.
	Line1 uint32 // Line number for block end.
	Col1  uint16 // Column number for block end.
	Stmts uint16 // Number of statements included in this block.
}

// Cover records information about test coverage checking.
// NOTE: This struct is internal to the testing infrastructure and may change.
// It is not covered (yet) by the Go 1 compatibility guidelines.
type Cover struct {
	Mode            string
	Counters        map[string][]uint32
	Blocks          map[string][]CoverBlock
	CoveredPackages string
}

// RegisterCover records the coverage data accumulators for the tests.
// NOTE: This function is internal to the testing infrastructure and may change.
// It is not covered (yet) by the Go 1 compatibility guidelines.
func RegisterCover(c Cover) {
}