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opt / golang / 1.19.4 / src / cmd / compile / internal / test / testdata /

📁 ..
📄 addressed_test.go(4.42 KB)
📄 append_test.go(1.16 KB)
📄 arithBoundary_test.go(31.31 KB)
📄 arithConst_test.go(633.8 KB)
📄 arith_test.go(41.51 KB)
📄 array_test.go(3.09 KB)
📄 assert_test.go(2.54 KB)
📄 break_test.go(3.67 KB)
📄 chan_test.go(1.14 KB)
📄 closure_test.go(572 B)
📄 cmpConst_test.go(103.06 KB)
📄 cmp_test.go(903 B)
📄 compound_test.go(2.7 KB)
📄 copy_test.go(150.18 KB)
📄 ctl_test.go(2.33 KB)
📄 deferNoReturn_test.go(481 B)
📄 divbyzero_test.go(1.01 KB)
📄 dupLoad_test.go(1.51 KB)
📄 flowgraph_generator1.go(6.72 KB)
📄 fp_test.go(34.99 KB)
📁 gen
📄 loadstore_test.go(4.79 KB)
📄 map_test.go(721 B)
📁 mysort
📄 namedReturn_test.go(1.63 KB)
📄 phi_test.go(2.21 KB)
📄 ptrsort.go(633 B)
📄 ptrsort.out(77 B)
📄 regalloc_test.go(1.2 KB)
📁 reproducible
📄 short_test.go(1.48 KB)
📄 slice_test.go(850 B)
📄 sqrtConst_test.go(1.26 KB)
📄 string_test.go(4.46 KB)
📄 unsafe_test.go(2.96 KB)
📄 zero_test.go(49.6 KB)

Editing: divbyzero_test.go

package main

import (
	"runtime"
	"testing"
)

func checkDivByZero(f func()) (divByZero bool) {
	defer func() {
		if r := recover(); r != nil {
			if e, ok := r.(runtime.Error); ok && e.Error() == "runtime error: integer divide by zero" {
				divByZero = true
			}
		}
	}()
	f()
	return false
}

//go:noinline
func div_a(i uint, s []int) int {
	return s[i%uint(len(s))]
}

//go:noinline
func div_b(i uint, j uint) uint {
	return i / j
}

//go:noinline
func div_c(i int) int {
	return 7 / (i - i)
}

func TestDivByZero(t *testing.T) {
	if got := checkDivByZero(func() { div_b(7, 0) }); !got {
		t.Errorf("expected div by zero for b(7, 0), got no error\n")
	}
	if got := checkDivByZero(func() { div_b(7, 7) }); got {
		t.Errorf("expected no error for b(7, 7), got div by zero\n")
	}
	if got := checkDivByZero(func() { div_a(4, nil) }); !got {
		t.Errorf("expected div by zero for a(4, nil), got no error\n")
	}
	if got := checkDivByZero(func() { div_c(5) }); !got {
		t.Errorf("expected div by zero for c(5), got no error\n")
	}
}

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Editing: divbyzero_test.go

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