assertContentType("image/vnd.dxf", "extractor/dxf/autocad_R12_LT2.dxf", "autocad_R12_LT2.dxf");

        assertContentType("text/x-csrc", "extractor/program/test.c", "test.c");
        assertContentType("text/x-c++src", "extractor/program/test.cpp", "test.cpp");
        assertContentType("text/x-chdr", "extractor/program/test.h", "test.h");

	}
	defer f.Close()

	fmt.Fprint(f, `
#include <stdint.h>
typedef struct { uint8_t x, y; } uint8Pair_t;
`)
	for _, cbf := range getCallbackTestFuncs() {
		cbf.cSrc(f, false)
		cbf.cSrc(f, true)
	}
}

func (d *cbDLL) build(t *testing.T, dir string) string {
	srcname := d.name + ".c"
	d.makeSrc(t, filepath.Join(dir, srcname))
	outname := d.name + ".dll"

type hmacTest struct {
	hash      func() hash.Hash
	key       []byte
	in        []byte
	out       string
	size      int
	blocksize int
}

var hmacTests = []hmacTest{
	// Tests from US FIPS 198
	// https://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
	{
		sha1.New,
		[]byte{
			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
			0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,

		for j := 0; j < 4; j++ {
			if x := td[j][i]; x != w {
				t.Fatalf("td[%d][%d] = %#x, want %#x", j, i, x, w)
			}
			w = w<<24 | w>>8
		}
	}
}

// Test vectors are from FIPS 197:
//	https://csrc.nist.gov/publications/fips/fips197/fips-197.pdf

// Appendix A of FIPS 197: Key expansion examples
type KeyTest struct {
	key []byte
	enc []uint32

)

func _() {
	// Packages should be fully qualified when there is ambiguity within the
	// error string itself.
	a.F(template /* ERRORx "cannot use.*html/template.* as .*text/template" */ .Template{})
}
`
		csrc = `
package c

import (
	"a"
	"fmt"
	"html/template"
)

// go.dev/issue/46905: make sure template is not the first package qualified.

#include "textflag.h"

// SHA256 block routine. See sha256block.go for Go equivalent.
//
// The algorithm is detailed in FIPS 180-4:
//
//  https://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
//
// Wt = Mt; for 0 <= t <= 15
// Wt = SIGMA1(Wt-2) + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 63
//
// a = H0
// b = H1
// c = H2
// d = H3
// e = H4

	r, ok := new(big.Int).SetString(s, 16)
	if !ok {
		panic("bad hex")
	}
	return r
}

func TestVectors(t *testing.T) {
	// This test runs the full set of NIST test vectors from
	// https://csrc.nist.gov/groups/STM/cavp/documents/dss/186-3ecdsatestvectors.zip
	//
	// The SigVer.rsp file has been edited to remove test vectors for
	// unsupported algorithms and has been compressed.

	if testing.Short() {

)

func _() {
	// Packages should be fully qualified when there is ambiguity within the
	// error string itself.
	a.F(template /* ERRORx "cannot use.*html/template.* as .*text/template" */ .Template{})
}
`
		csrc = `
package c

import (
	"a"
	"fmt"
	"html/template"
)

// go.dev/issue/46905: make sure template is not the first package qualified.

//	the coefficient of x¹²⁷ can be obtained by v.high & 1.
type gcmFieldElement struct {
	low, high uint64
}

// gcm represents a Galois Counter Mode with a specific key. See
// https://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-revised-spec.pdf
type gcm struct {
	cipher    Block
	nonceSize int
	tagSize   int
	// productTable contains the first sixteen powers of the key, H.

//go:build !purego

#include "textflag.h"

// SHA256 block routine. See sha256block.go for Go equivalent.
//
// The algorithm is detailed in FIPS 180-4:
//
//  https://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf

// Wt = Mt; for 0 <= t <= 15
// Wt = SIGMA1(Wt-2) + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 63
//
// a = H0
// b = H1
// c = H2
// d = H3
// e = H4