[short] skip
[!cgo] skip
[compiler:gccgo] skip # gccgo has no cover tool

# Test cgo coverage with an external test.

go test -short -cover cgocover2
stdout  'coverage:.*[1-9][0-9.]+%'
! stderr '[^0-9]0\.0%'

-- go.mod --
module cgocover2

go 1.16
-- p.go --
package p

/*
void
f(void)
{
}
*/
import "C"

var b bool

func F() {
	if b {
		for {
		}
	}
	C.f()
}

# Test that minimization doesn't use dirty coverage snapshots when it
# is unable to actually minimize the input. We do this by checking that
# an expected value appears in the cache. If a dirty coverage map is used
# (i.e. the coverage map generated during the last minimization step,
# rather than the map provided with the initial input) then this value
# is unlikely to appear in the cache, since the map generated during

	// have some statements.
	t := 0
	for i := 0; i < n; i++ {
		for j := 0; j < i; j++ {
			t += i ^ j
		}
	}
	return t
}

// Tests runtime/coverage.snapshot() directly. Note that if
// coverage is not enabled, the hook is designed to just return
// zero.
func TestCoverageSnapshot(t *testing.T) {
	C1 := Snapshot()
	thisFunctionOnlyCalledFromSnapshotTest(15)
	C2 := Snapshot()

package runtime

import (
	"internal/coverage/rtcov"
	"unsafe"
)

// The compiler emits calls to runtime.addCovMeta
// but this code has moved to rtcov.AddMeta.
func addCovMeta(p unsafe.Pointer, dlen uint32, hash [16]byte, pkgpath string, pkgid int, cmode uint8, cgran uint8) uint32 {
	id := rtcov.AddMeta(p, dlen, hash, pkgpath, pkgid, cmode, cgran)
	if id == 0 {
		throw("runtime.addCovMeta: coverage package map collision")
	}
	return id

[short] skip
[!cgo] skip
[compiler:gccgo] skip # gccgo has no cover tool

# Test coverage on cgo code. This test case includes an
# extra empty non-cgo file in the package being checked.

go test -short -cover cgocover4
stdout  'coverage:.*[1-9][0-9.]+%'
! stderr '[^0-9]0\.0%'

-- go.mod --
module cgocover4

go 1.16
-- notcgo.go --
package p
-- p.go --
package p

/*
void
f(void)
{
}
*/
import "C"

        static class GroupsBean {
            /**
             * testProject : largeJavaMultiProject
             * coverage : {"test":["linux","windows"]}
             */
            String testProject

            String comment

            TreeMap<String, List<String>> coverage
        }
    }

    void writeTo(File file) {
        sort()

				c.minimizationAllowed = true
				break
			}
		}
	}

	covSize := len(coverage())
	if covSize == 0 {
		fmt.Fprintf(c.opts.Log, "warning: the test binary was not built with coverage instrumentation, so fuzzing will run without coverage guidance and may be inefficient\n")
		// Even though a coverage-only run won't occur, we should still run all
		// of the seed corpus to make sure there are no existing failures before

# This test verifies that issue 56293 has been fixed, and that the
# insertion of coverage instrumentation doesn't perturb package
# initialization order.

[short] skip

# Skip if new coverage is turned off.
[!GOEXPERIMENT:coverageredesign] skip

go test -cover example

-- go.mod --
module example

go 1.20

-- m.go --

package main

import (
	"flag"
)

var (

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package test

import (
	"fmt"
	"internal/coverage"
	"internal/coverage/decodecounter"
	"internal/coverage/encodecounter"
	"io"
	"os"
	"path/filepath"
	"testing"
)

type ctrVis struct {
	funcs []decodecounter.FuncPayload
}

# This test checks more of the "go build -cover" functionality,
# specifically which packages get selected when building.

[short] skip

# Skip if new coverage is not enabled.
[!GOEXPERIMENT:coverageredesign] skip

#-------------------------------------------

# Build for coverage.
go build -mod=mod -o $WORK/modex.exe -cover mod.example/main

# Save off old GOCOVERDIR setting
env SAVEGOCOVERDIR=$GOCOVERDIR

# Execute.