1 files changed, 106 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/stacktrace_test.go b/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/stacktrace_test.go
new file mode 100644
index 0000000..82b6af3
--- /dev/null
+++ b/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/stacktrace_test.go
@@ -0,0 +1,106 @@
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package zap
+
+import (
+	"bytes"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestTakeStacktrace(t *testing.T) {
+	trace := takeStacktrace(0)
+	lines := strings.Split(trace, "\n")
+	require.NotEmpty(t, lines, "Expected stacktrace to have at least one frame.")
+	assert.Contains(
+		t,
+		lines[0],
+		"go.uber.org/zap.TestTakeStacktrace",
+		"Expected stacktrace to start with the test.",
+	)
+}
+
+func TestTakeStacktraceWithSkip(t *testing.T) {
+	trace := takeStacktrace(1)
+	lines := strings.Split(trace, "\n")
+	require.NotEmpty(t, lines, "Expected stacktrace to have at least one frame.")
+	assert.Contains(
+		t,
+		lines[0],
+		"testing.",
+		"Expected stacktrace to start with the test runner (skipping our own frame).",
+	)
+}
+
+func TestTakeStacktraceWithSkipInnerFunc(t *testing.T) {
+	var trace string
+	func() {
+		trace = takeStacktrace(2)
+	}()
+	lines := strings.Split(trace, "\n")
+	require.NotEmpty(t, lines, "Expected stacktrace to have at least one frame.")
+	assert.Contains(
+		t,
+		lines[0],
+		"testing.",
+		"Expected stacktrace to start with the test function (skipping the test function).",
+	)
+}
+
+func TestTakeStacktraceDeepStack(t *testing.T) {
+	const (
+		N                  = 500
+		withStackDepthName = "go.uber.org/zap.withStackDepth"
+	)
+	withStackDepth(N, func() {
+		trace := takeStacktrace(0)
+		for found := 0; found < N; found++ {
+			i := strings.Index(trace, withStackDepthName)
+			if i < 0 {
+				t.Fatalf(`expected %v occurrences of %q, found %d`,
+					N, withStackDepthName, found)
+			}
+			trace = trace[i+len(withStackDepthName):]
+		}
+	})
+}
+
+func BenchmarkTakeStacktrace(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		takeStacktrace(0)
+	}
+}
+
+func withStackDepth(depth int, f func()) {
+	var recurse func(rune) rune
+	recurse = func(r rune) rune {
+		if r > 0 {
+			bytes.Map(recurse, []byte(string([]rune{r - 1})))
+		} else {
+			f()
+		}
+		return 0
+	}
+	recurse(rune(depth))
+}